Subdivided:
- in terms of rolling accuracy with a thickness of up to 12 mm:
- increased accuracy - A,
- normal accuracy - B;
- flatness:
- especially high flatness - software,
- high flatness - PV,
- improved flatness - PU,
- normal flatness - PN;
- according to the nature of the edge:
- with unedged edge - BUT,
- with cut edge - O;
- by size:
+2 mm - with a width of 500 to 1000 mm;
+5 mm - with a width of St. 1000 to 1600 mm;
+7 mm - with a width of St. 1600 mm.
with a cut edge, supplied in sheets, must not exceed:
+6 mm - with a width of up to 800 mm;
+10 mm - with a width of St. 800 mm.
with an unedged edge should not exceed +20 mm.
Limit deviations along the length of a hot-rolled sheet, rolled sheet by sheet, should not exceed:
+10 mm - for sheets up to 1500 mm long;
+15 mm - with the length of sheets St. 1500 mm.
on continuous mills and cut into sheets, should not exceed:
+15 mm - for sheets up to 1500 mm long;
+10 mm - at the request of the consumer;
+20 mm - for sheet lengths over 1500 to 3000 mm;
+25 mm - for sheet lengths over 3000 mm.
At the request of the consumer, a hot-rolled sheet is produced with the following maximum deviations in length:
+5 mm - for sheets up to 1500 mm long;
+6 mm - with the length of the sheets St. 1500 to 2000 mm;
+10 mm - with the length of sheets St. 2000 to 3000 mm;
+20 mm - with the length of sheets St. 3000 mm.
Hot rolled sheet supplied in sheared sheets must be cut at a right angle. The oblique cut and crescent should not lead the sheets beyond the nominal size.
Weight per square meter of sheet (GOST 19903-74 and 19904-90)
|
|
Hot-rolled steel strip for general purposes and steel strip for nuts with a width of 11 to 200 mm and a thickness of 4 to 60 mm complies with GOST 103-76.
According to the accuracy of rolling, strips are made:
- Increased strength;
- normal accuracy.
- from 3 to 10 m - from carbon steel of ordinary quality, low alloy and phosphorous;
- from 2 to 6 m - from high-quality carbon and alloy steel.
- Measured length;
- Multiple measured length;
- Measured length with a remainder of not more than 15% of the mass of the batch;
- Multiple measured length with a remainder of not more than 15% of the mass of the batch;
- Unmeasured length.
|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Hot-rolled plate made of carbon steel of ordinary quality. GOST 14637
are made in the form of sheets and rolls of steel grades St0, St2kp, St2ps, St2sp, St3kp, St3ps, St3sp, St3Gps, St3Gsp, St4ps, St4sp, St5ps, St5sp, St5Gps according to GOST 380.Hot-rolled kist is subdivided into categories: 1, 2, 3, 4, 5, 6. To designate a category, a category number is added to the brand designation, for example: St3ps1, St4sp3.
Produce thickness: 4-160 mm - sheets; 4-12 mm - rolls.
| Category | steel grade |
| 1 | St0, St2kp, St2ps, St2sp, St3kp, St3ps, St3sp, St5ps, St5sp, St5Gps |
| 2 | St2kp, St2ps, St2sp, St3kp, St3ps, St3sp, St3ps, St3sp, St5Gps |
| 3 | St3kp, St3ps, St3sp, St3Gps, St3Gsp, St4ps, St4sp |
| 4 | St3ps, St3sp, St3Gps, St3Gsp |
| 5 | St3ps, St3sp, St3Gps, St3Gsp |
| 6 | St3ps, St3sp, St3Gps, St3Gsp |
Categories 1 - 5 are produced in a hot-rolled state, categories 6 - in a hardened state. To ensure the required properties of rolled products of all categories, heat treatment can be used. It is allowed to manufacture rolled products of categories 1 - 5 in a state strengthened from rolling heating or after controlled rolling.
Hot-rolled sheet of carbon steel of high quality and ordinary quality for general purposes. GOST 16523
Thin-sheet hot-rolled and cold-rolled carbon steel of high quality and ordinary quality for general purposes, manufactured with a width of 500 mm or more, with a thickness of up to 3.9 mm inclusive.Rental is divided into:
- by production method:
hot-rolled, cold-rolled; - by product type:
sheets, rolls; - according to the minimum value of temporary resistance (B) for strength groups:
K260V, K270V, OK300V, K310V, K330V, K350V, OK360V, OK370V (for the production of welded cylinders for liquefied hydrocarbon gases for pressures up to 1.6 MPa), K390V, OK400V, K490V; - according to the normalized characteristics into categories: 1, 2, 3, 4, 5, 6;
- by the quality of the surface finish into groups:
- cold rolled:
- especially high finish - I (at the request of the consumer),
- high finish - II,
- high finish - III (IlIa, III6);
- hot rolled:
- high finish -- III,
- normal finishes - IV;
- cold rolled:
- according to the ability to draw (cold-rolled sheet up to 2 mm thick, strength groups: K260V, K270V, K310V, K330V, K350V):
- deep - G,
- normal - N.
| Strength group | Steel grades | Mass fraction of elements and limit deviations, % |
| K260V K270V K310V K330V K350V K390V K490V | 08kp 08ps, 08, 10kp, 10ps, 10 15kp, 15ps 15, 20kp 20ps, 20 25,30 35, 40, 45, 50 | According to GOST 1050 For rolled products from steel grades 08kp and 08ps, the lower limit of the mass fraction of carbon and silicon is not limited |
| OK300V OK360V OK370V OK400V | St1, St2 (all degrees deoxidized) St3 (all degrees deoxidized) St3ps, St3sp St4 (all degrees deoxidized) St5ps, St5sp | According to GOST 380 The mass fraction of chromium, nickel and copper is normalized at the request of the consumer. The lower limit of the mass fraction of carbon is not limited. For rolled products from steel with grade numbers 3, 4, 5 (all degrees of deoxidation), a decrease in the mass fraction of manganese by 0.10% is allowed. When deoxidizing semi-quiet steel with aluminum, titanium or other deoxidizers that do not contain silicon, as well as several deoxidizers (ferrosilicon and aluminum, ferrosilicon and titanium, etc.), the mass fraction of silicon in steel is allowed to be less than 0.05%. In this case, the mass fraction of aluminum is allowed up to 0.07%. Deoxidation with titanium, aluminum and other silicon-free deoxidizers is indicated in the quality document |
Hot-rolled sheet of ordinary quality is supplied in the form of sheets, rolls with cut and uncut edges and is divided into:
According to the normalized characteristics, hot-rolled sheet is subdivided:
- plate steel - into 6 categories: 1-5 in hot-rolled condition, 6th in hardened condition.
- thin sheet - into 5 categories.
In terms of rolling accuracy: A - increased accuracy; B - normal accuracy.
By flatness: PO - extra high flatness, PV - high flatness, PN - normal flatness.
By the quality of the surface finish into groups: III- high finish IV- normal finishes.
Hot-rolled low-alloy sheet is produced according to the thickness 4-60mm.
Depending on the type of metal products and thickness, hot-rolled low-alloy sheets are made from steel grades: 09G2, 09G2S, 09G2S-12, 17G1S, 17G1SU, 10HSND.
It is used for welded, riveted or bolted structures in products, mainly without additional heat treatment.
High-quality hot-rolled structural sheet is supplied in the form of sheets, rolls, and is divided into:
The chemical composition of steel corresponds to:
Depending on the standardized characteristics hot-rolled sheet make 3rd categories.
The assortment of structural high-quality hot-rolled steel corresponds to the chemical composition - GOST 1050-88 .
Depending on the standardized characteristics hot-rolled sheet produce 6 categories.
By the quality of the surface finish into groups: III - high finish, IV - normal finish.
“Carbon steel of ordinary quality. Marks»
According to the production method, a circle of steel can be:
Hot-rolled (with and without special surface finish);
· Forged;
Calibrated (with and without special surface finish);
Manufactured from regular quality carbon steel hot rolled circle. From alloyed structural steel without heat treatment and heat treated - TO (annealed, high-tempered, normalized or normalized with high tempering) are made hot-rolled And forged circles.
Calibrated the circle can be cold-rolled or cold-drawn, made of high-quality carbon or alloy steel, processed by cold drawing with reductions to improve resistance to mechanical stress and increase physical and plastic properties, and is produced cold-worked - H or heat-treated - T (annealed, normalized, hardened and tempered ).
Hot-rolled and calibrated wheels can be produced with a special surface finish: the quality of the steel surface is achieved by removing the surface layer (by grinding, turning, roughing, followed by polishing, rolling, etc.).
At the request of the consumer, the steel circle can be manufactured with a guarantee of weldability "b", which is provided by the chemical composition and manufacturing technology.
The main components that are part of the alloys used for the manufacture of products, and the percentage of these components, as well as the grades of the alloys, are shown in Table 1.
Table 1
Grades and chemical composition of steels for the manufacture of steel circle
steel group | Mass fraction of elements, % | ||||||||||
Manganese | Molybdenum | Aluminum | |||||||||
Carbon steel of ordinary quality | |||||||||||
St0, St1kp, St1ps, St1sp, St2kp, St2ps, St2sp, St3kp, St3ps, St3sp, St3Gps, St3Gsp, St4kp, St4ps, St4sp, St5ps, St5sp, St5Gps, St6ps | |||||||||||
Alloy structural steel | |||||||||||
Chrome | 15X, 15XA, 20X, 30X, 30XRA, 35X, 38XA, 40X, 45X, 50X | ||||||||||
manganese | 15G, 20G, 25G, 30G, 35G, 40G, 45G, 50G, 40G, 10G2, 30G2, 35G2, 40G2, 45G2, 50G2, 47GT | ||||||||||
Chrome manganese | 18HG, 18HGT, 25HGT, 30HGT, 27HGR, 40HGTR, 25HGM, 38HGM | ||||||||||
Chrome-siliceous | 33HS, 38HS, 40HS | ||||||||||
Chromomolybdenum and chromomolybdenum vanadium | 15HM, 20HM, 30HM, 30HMA, 35HM, 38HM, 30H3MF, 40HMFA | ||||||||||
Chrome vanadium | 15HF, 40HFA | ||||||||||
Nickelmolybdenum | 15N2M (15NM) 20N2M (20NM) | ||||||||||
Chrome-nickel and chromium-nickel with boron | 12ХН, 20ХН 40ХН, 45ХН, 50ХН, 20ХНР, 12ХН2, 12ХН3А, 20ХН3А, 30ХН3А, 12Х2Н4А, 20Х2Н4А | ||||||||||
Chrome-silicon-manganese and chrome-silicon-manganese-nickel | 20HGSA, 25HGSA, 30HGS, 30HGSA, 35HGSA, (30HGSN2A) | ||||||||||
Chrome manganese nickel and chromium manganese nickel with titanium and boron | |||||||||||
(15HGNTA), 20HGNR, 20HGNTR, 38HGN, 14HGN, 19HGN | |||||||||||
Chrome-nickel-molybdenum | 20KhN2M (20KhNM), 30KhN2MA (30KhNMA), 40KhN2MA (40KhNMA), 38Kh2N2MA (38KhNMA), 40Kh2N2MA (40KhNMA), 38KHN3MA, 18KH2N4MA (18KH2N4VA), 25KH2N4MA (25KH2N4VA) | ||||||||||
Chrome-nickel-molybdenum-vanadium and chromium-nickel-vanadium | 30HN2MFA (30HN2VFA), 36H2N2MFA (36HN1MFA), 38HN3MFA, 45HN2MFA (45HNMFA), 20HN4FA | ||||||||||
Chrome aluminum with molybdenum | 38H2MYUA (38HMYUA) | ||||||||||
Chrome-manganese-nickel with molybdenum and titanium | 20HGNM, 40HGNM, 25HGNMT | ||||||||||
* The structure of the carbon steel grade of ordinary quality: "St" - steel, the numbers - the conditional number of the brand depending on the chemical composition, "G" - manganese with its mass fraction in steel of 0.8% or more, the degree of steel deoxidation: "kp" - boiling, "ps" - semi-calm, "sp" - calm.
In the designation of grades of alloyed structural steel, the first two digits indicate the average mass fraction of carbon in hundredths of a percent:
P - boron, Yu - aluminum, C - silicon, T - titanium, F - vanadium, X - chromium,
G - manganese, N - nickel, M - molybdenum, V - tungsten.
The numbers after the letters indicate the approximate mass fraction of the alloying element in whole units (the absence of a number indicates that the brand contains less than 1.5% of this element). The quality of steel is indicated at the end of the brand name: the letter A - high-quality, the letter Ш through a dash - especially high-quality.
In the production of a steel circle, the content of phosphorus, sulfur, residual copper is allowed, in percentage terms not exceeding the indicators indicated in table 2.
table 2 The content of phosphorus, sulfur and copper in the steel circle
Hot-rolled steel circle with a diameter of up to 9 mm and calibrated with a diameter of up to 5 mm according to standards is produced in coils, with a larger diameter - in bars. Forged is supplied only in bars, because manufactured with a minimum diameter of 40 mm
Application
The circle from carbonaceous steel is widely applied in construction. For example, products made of steel grade St3 are used for reinforcement reinforced concrete structures. A steel circle of small radius due to its high ductility is used for the construction of fences, arc welding structural elements. Stands and household hangers are produced from the range of steels St3, St4, St5. It is also used in various forged products, to create decorative elements.
Alloy steel products have high performance properties, therefore they are used in construction in areas with a more severe climate and low temperature conditions.
The steel wheel made of structural steel, after appropriate processing, acquires properties such as increased flexibility and superhardness. In many machines and mechanisms, springs from a similar steel circle are used.
Table 3 aboutdeviations on the diameter of the steel circle, mm
Along the length of the rod, the hot-rolled steel circle can be of the following lengths:
dimensional - MD,
Measured with unmeasured length - MD1,
multiple dimensional - KD,
multiple with unmeasured length - KD1,
unmeasured - ND,
limited within non-dimensional - OD,
limited with unmeasured length - OD1,
in skeins - NMD.
For types of steel circle with random length, it is allowed to have rolled products of random length not more than 5% (for hot-rolled) and 10% (for calibrated) of the mass of the batch.
Limit deviations for the manufactured length for hot-rolled and calibrated circles of measured and multiple measured lengths depend on the length of the rolled product: with a length of up to 4 m inclusive, the maximum deviation is +30 mm, from 4 to 6 m - +50 mm, over 6 m - +50 mm (for calibrated) and +70 mm (for hot-rolled circle).
The maximum deviations in length for a forged wheel depend on the diameter: +70 mm for a diameter of 40-80 mm, +100 mm for a diameter of 80-150 mm, +150 mm for a diameter over 150 mm.
The maximum curvature of round steel bars is shown in Table 4.
Table 4
The maximum curvature of the circle per 1 m of length,%
A steel circle made of carbon steel of ordinary quality has several categories of rolled products, which differ from each other in a set of normalized indicators and in the steel grades used. Table 5 shows the ratio of steel grades and categories of rolled products.
Table 5 Categories of rolled carbon steel of ordinary quality
steel grade |
|
St0, St1pk, St1ps, St1sp, St2pk, St2ps, St2sp, St3pk, St3ps, St3sp, St4pk, St4ps, St4sp, St5ps, St5sp, St6ps, St6sp |
|
St3pk, St3ps, St3sp, St3Gps, St4pk, St4ps, St4sp, St5ps, St5sp, St5Gps |
|
St3ps, St3sp, St3Gps, St4ps, St4sp |
|
St3ps, St3sp, St3Gps, St3Gsp |
Surface quality groups steel circle depend on the steel from which it is made. Hot rolled carbon steel circle of ordinary quality has surface quality groups, which are indicated in table 6.
Table 6 Grades of surface quality of carbon steel of ordinary quality
Quality group | Characteristic | Application |
On the surface, without cleaning, there may be individual rolled bubbles and dirt, ripples, prints, risks, in which deviations from the diameter should be within the normal range. Other types of defects are removed by the manufacturer by gentle cleaning or cutting, in which the diameter deviations do not exceed those indicated in Table 3. | Apply without surface treatment |
|
Defects are allowed without stripping as in group 1GP. Other types of defects are removed by gentle cleaning or cutting, the depth of which does not exceed: | Used for hot working |
|
With a diameter of less than 40 mm - the sum of the maximum deviations of the diameter; |
||
With a diameter of 40 mm to 140 mm - 5% of the diameter; |
||
With a diameter over 140 mm - 8% of the diameter. |
||
The depth of cleaning or cutting is calculated from minimum size rental. |
||
Defects are allowed without cleaning, the depth of which does not exceed: | Used for cold machining by cutting |
|
For a diameter less than 100 mm - the negative value of the maximum deviation; |
||
For a diameter of 100 mm or more - the sum of the maximum deviations. |
||
Depth of defects is considered from the nominal size. |
Surface quality groups for a circle of alloyed structural steel are shown in Table 7.
Table 7 Grades of Surface Quality of Alloyed Structural Steel
Surface quality group | Diameter, mm | Depth of cleaning defects, no more | Defects allowed without cleaning |
|
Made of quality and high quality steel | Made of high quality steel |
|||
6% diameter | 3% diameter | Single small risks, dents and ripples within half of the total limit deviations. Hairlines are absent. |
||
140 to 200 | 5% diameter | For a circle made of high-quality and high-quality steel of group 2, small hairs are allowed with a depth of not more than a quarter of the sum of the maximum deviations from the diameter, but not more than 0.2 mm. |
||
80 to 140 | Sums of maximum deviations | |||
Half the sum of the maximum deviations | ||||
Depth of defects, no more |
||||
100 or more | The sums of maximum deviations - for circles made of high-quality and high-quality steel; minus tolerance - for wheels made of extra high quality steel |
|||
minus tolerance |
||||
A circle of calibrated steel has surface quality groups, which are given in table 8.
Table 8 Surface quality groups of calibrated steel
Marking Scheme symbol steel circle: X 1 - manufacturing accuracy (accuracy class for hot-rolled - see table 3, quality for calibrated - see table 3, for forged - not specified). X 2 - curvature, deviation from flatness (class I, II, III, IV; grade h). X 3 - diameter, mm. X 4 - designation of the standard for the assortment. X 5 - steel grade (see table 1). X 7 - surface quality group (see tables 6,7,8). X 8 - designation of the standard for steel. Marking example: Hot-rolled round steel of normal rolling accuracy (B), curvature class II, diameter 30 mm according to GOST 2590-2006, made of steel grade St5ps, category 1, group 1GP according to GOST 535-2005. Advantages Structural steel wheels (carbon and low alloy) have good weldability, therefore they are widely used for the manufacture building structures. “Rolled products from alloyed structural steel. Specifications» «Carbon steel of ordinary quality. Marks» | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Features of hot rolled steel
As a rule, steel sheets of various sizes are the basis for the manufacture of various finishing materials, whether it be wall paneling, corrugated board, steel tiles and much more, which is perfect for exterior decoration of any buildings and structures. Also, from such steel sheets, an end plate for roofing, slopes, ebbs, visors, and so on can be made.
For the manufacture of such products, hot-rolled steel is quite well suited, which is manufactured by the metal-rolling industry in various specified shapes and sizes. Steel, heated to a certain temperature, goes through a number of physical deformations, which are carried out on specialized equipment, resulting in a hot-rolled sheet of a given thickness. Such hot-rolled steel sheets have several parameters: rolling accuracy, sheet edge characteristic, and sheet plane characteristic. All these parameters are extremely important and are primarily responsible for the quality of products and show the perfection of production technology, thanks to which it becomes possible to buy hot-rolled sheets of the highest quality. The equipment on which rolled metal products are manufactured, including the flat flange, is a high-tech machines and units that operate in a semi-automatic mode and guarantee high quality manufactured products.
However, hot-rolled steel needs special protective coatings that can protect the metal structure from destructive corrosive effects. One of the main protective coatings is zinc. A thin layer of zinc is applied to the surface of the steel sheets, providing excellent rust protection and endowing the hot rolled sheet with a long service life. In addition, a variety of coloring compositions can be effectively applied, which not only have good protective properties, but also give the steel sheets an aesthetic appearance. End strip for roofing, corrugated sheet and other rolled metal products can also have similar protective coatings.
You can buy a hot-rolled sheet both directly from the manufacturing plant, and in many specialized stores that offer a wide range of steel sheets of various sizes, both wholesale and retail. Rolling metallurgy can also produce other types of products, be it a flat flange, couplings, metal pipes, fittings, building beams and much more.
When purchasing rolled metal, many enterprises face the question: what kind of steel to buy? Depending on the method of steel production, there are hot-rolled and cold-rolled steel.
In order to understand which type of metal is more suitable for the production of the company's products, it is necessary to understand some fundamental differences between the two varieties of steel. These differences relate more to the processing method at the factory than to the specification or grade of the product.
Hot rolled steel
The production of hot rolled metal includes the processing of steel at high temperature(more than 1700 °F), which exceeds the recrystallization temperature of the steel alloy.
If the steel is heated above the recrystallization temperature, it easily takes any shape and allows the production of large parts.
Hot rolled steel is cheaper than cold rolled steel as it is produced without any delays in the process and therefore reheating of the steel material is not required as in the case of cold rolling.
The only disadvantage of hot rolling is that the steel shrinks slightly as it cools, so manufacturers do not have full control over the size and shape of the final product compared to cold rolled.
Hot rolled steel products are used in welding and construction projects such as railroad tracks and I-beams. That is, they are used only when exact dimensional tolerances are not required.
cold rolled steel
Essentially, cold rolled steel is hot rolled metal with subsequent post-treatment. Steel is cold rolled when the material is cooled to room temperature.
This process allows the production of rolled products with tighter dimensional tolerances and a wide range of surface finishes.
The term "cold rolling" is erroneously used for all products, and actually refers only to the rolling of flat sheets and coils.
Cold rolled sheet contains less carbon, making it more ductile in use than hot rolled sheet.
Cold rolled steel can be used in any project where tolerance, concentricity and straightness are required.
The price of hot-rolled coils in Magnitogorsk
It is easiest to buy hot-rolled steel in coils in Magnitogorsk at a low price at SteelTrading.
Delivery from the warehouse of all types of hot-rolled steel in coils and sale of coils in Magnitogorsk:
- with thickness from 1.5 mm to 16 mm and width from 500 mm to 2300 mm
- inner diameters of rolls: 750 mm, 840 mm, 850 mm
- weight of rolls up to 30 tons
Availability of hot-rolled sheet in coils in the company's warehouse can be found in the "Warehouse" section. Hot rolled coils can be supplied to order with appropriate dimensions and weights.
Achieved low price for hot rolled coils the fact that SteelTrading is a permanent partner of MMK. It should be noted that at the moment, the plant is the domestic leader in the production of hot-rolled steel in sheets and coils. SteelTrading has both stocks of hot-rolled steel coils. Warehouses are equipped with access railroad tracks. In addition, the company has a reserve at the facilities of the Magnitogorsk Iron and Steel Works.
Each coil of hot-rolled steel delivered to the SteelTrading warehouse must have a quality certificate.
Hot rolled coil
- Steel thickness - from 1.5 to 16 mm
- Roll width - from 750 mm to 850 mm
- Roll weight - up to 30 tons
- Standards for coil rolling: GOST 16523, GOST 14637, GOST 1517, GOST 17066, etc. (for details, see the table below)
The application and use of hot-rolled coils is so wide that it will be extremely difficult to cover all areas in one article, however, we will list the main ones. Hot-rolled rolls used in construction, mechanical engineering for the manufacture of various parts, in subsequent metalworking in order to obtain a cold-rolled sheet or coated sheet:
- construction of non-residential buildings and industrial facilities
- mass construction of housing and individual;
- production of industrial equipment.
Hot-rolled rolls: standards, dimensions, scope
Hot rolled sheet rolling mills:
Inner diameter of hot-rolled coil by mill:
- mill "2000" - 850 mm.
- mill "2500" - 850 mm.
- APR LPTs No. 7 - 750mm and 840mm.
It is important to note that the edge of hot-rolled coils produced by mills "2000" and "2500" is unedged (rolled).
Rolls with a cut edge are produced by APR LPTs No. 7.
Weight of supplied rolls:
- Mill "2000" - weighing 9-30 tons
- Mill "2500" - weighing 9-22 tons
- APR LPTS No. 7 - weighing up to 15 tons.
Rolls are marked with tags (paper or metal)
| hot rolled coil | Standard | Dimensions, mm | steel grade |
| general purpose | GOST 16523 | from 4 mm | St0, St1-St3(kp, ps, cn), 08-20(cp, ps, cn), 25 |
| GOST 14637 | from 4 mm | St0, St2-St5 (any degree of deoxidation) | |
| General and special purpose | GOST 1577 | 08-20(cp, ps, jn), 25 | |
| GOST 17066 | from 4 mm | 09G2, 09G2S, 17GS | |
| GOST 19281 | from 4 mm | 09G2, 09G2S, 17GS, 17G1S | |
| TU 14-1-2471 | 8 - 14 x 1000-1800 | 20 | |
| TU 14-1-2660 | 1.5-7.0 x 100-1100 | 08-20 (kp, ps, jn) | |
| TU 14-1-3579 | 1.5-10 x 300-1700 | ||
| TU 14-1-4598 | 6-11 x 1400-1800 | 22GU | |
| TU 14-1-5407 | 5-16 x 1050-1800 | 09GSF, 13GS, 13G1S-U, 17G1S, 17G1S-U, 17G1SA, 17G1SA-U, 10GFBYu, 10G2FB | |
| TU 14-1-5441 | 6-16 x 1050-1800 | 05G1B | |
| TU 14-101-525 | 5-10 x 1010-1720 | 09GSF | |
| TU 14-106-502 | 2-14 x 1250-1700 | 17GS, 17G1S, 22GU | |
| STO MMK 216 | 10-16 x 1050 - 1800 | 10G2FBY | |
| STO MMK 220 | 6-10 x 1010-1720 | 09FSB | |
| STO MMK 333 | 1.5-8.0 x 39-900 | St1-St3(kp, ps, sp), 08-20(kp, ps, sp) | |
| TP 14-101-453 | 10-16 x 1050-1800 | 05G1B | |
| TU 14-101-458 | 8-9 x 1250 | 06GFBAA | |
| For further transition | TU 14-1-4516 | 2-8 x 100-1700 | 08-20(kp, ps, jn), 08Yu |
| For cold stamping of car parts | TU 14-1-5262 | 2-6 x 160-480 | 07GBYu |
| For the production of dynamic steel | TP 14-101-330 | 2-3 x 1000-1100 | 0202-0211, 0202P, 0203P |
| For the production of transformer steel | TP 14-101-382 | 2.2-2.8 x 860-1110 | 0400D-0406D |
| For the production of relay steel | TP 14-101-396 | 2-4 x 1000-1250 | 0200 |
| For cladding | TU 14-1-628 | 2.5-6.0 x 240-350 | 11kp, 11YuA |
| STP 14-101-184 | 3-8 x 220-330 | 18SA | |
| TP 14-101-432 | 5 x 280, 320, 360 | 08kp-U | |
| For welded, riveted and bolted structures | STP 14-101-209 | 1.8-12.5 x 1000-1830 | S235(JR, JRG2, J0, J2G4), S275(JR, J0, J2G4), S355(JR, J0, J2G4, K2G4) to EN 10025 |
| For punching and drawing | STO MMK 210 | 1.5-12.0 x 900-1830 | SPHC, SPHD, SPHE(up to 6mm) per JIS G 3131 |
| For further transition | STP 14-101-238 | 1.5-8.0 x 900-1830 | DD11, DD12, DD13, DD14 according to EN 10111 |
| For the production of welded pipes | STO MMK 242 | 1.5-12.7 x 900-1830 | A25, A, B, X42, X46, X52, X56, X60, X65 to API 5L |
| For welded, riveted and bolted structures | STO MMK 344 | 1.8-12.5 x 900-1830 | St37-2, RSt37-2, St44-2, St44-3, St52-3 according to DIN 17100 |
| For welded, riveted and bolted structures | STO MMK 350 | 1.5-12.5 x 900-1830 | SS330, SS400-1, SS400-2 per JIS G 3101; A36-1, A36-2 per ASTM A36/A36M |
| general purpose | STO MMK 352 | SAE1006, SAE 1008, SAE 1009, SAE1010, SAE1012, SAE1015, SAE1017, SAE1019, SAE1020, SAE1021, SAE1022, SAE1023, SAE1025 per ASTM A568/A568M and ASTM A635/A635M | |
| For building purposes | STO MMK 364 | 1.5-4.5 x 900-1829 4.6-6.0 x 900-1219 |
Gr.30, Gr.33, Gr.36, Gr.40, Gr.45, Gr.50, Gr.55 per ASTM A570/A570M |
| For the production of welded pipes | STO MMK 365 | 1.5-8.0 x 900-1830 | SPHT1, SPHT2, SPHT3 per JIS G 3132 |
| For further transition | STO MMK 371 | 1.5-8.0 x 900-1830 | St22, RRSt23, St24 according to DIN 1614 |
| TP 14-101-343 | 1.5-8.0 x 750-1829 | 08Yu, 08ps, a326, a327 | |
| For the manufacture of products by stamping, bending, welding | TU 14-101-362 | 2-10 x 1219-1685 | A569 per ASTM A569/A569M |
| For general and construction purposes | TP 14-101-376 | 4-12 x 1020-1829 | 300W according to CAN/CSA-G40.21-M92 |
Loading...