Hot rolled sheets according to GOST 19903–74


Hot rolled sheet

    /
  • home
  • /

  • Rolled metal
  • /

  • Sheet metal

GOST 19903-74
Hot-rolled sheet according to the type of product upon delivery is divided into:

*sheets;

*rolls.

The standard applies to hot-rolled sheets with a width of 500 mm or more, manufactured in sheets with a thickness of 0.4 mm to 160 mm and coils with a thickness of 1.2 to 12 mm.

Hot-rolled sheets in the warehouse of the MetalTechService Company are presented in the following assortment, steel grades st3sp/ps, st.09G2S, st.20, st.45, etc.:

Size, mmOpening, mm
21250x2500
31250x2500; 1500x3000; 1500x6000
41500x3000; 1500x6000
5,6,7,8,10,121500x3000; 1500x6000
14,161500x3000; 1500x6000
18,20,22,25 -1601500x3000; 1500x6000

To independently calculate the mass of the sheet, use the following information:

Weight of 1 square meter of sheet (based on the specific gravity of 7.85 g/cm3)

Thickness (mm) 0,5 0,55 0,6 0,7 0,8 0,9 1,0
Weight kg/m2 3,925 4,32 4,716 5,5 6,28 7,06 7,85
Thickness (mm) 1,2 1,4 1,5 1,7 1,8 1,9 2,0
Weight kg/m2 9,42 10,99 11,77 13,34 14,13 14,91 15,7
Thickness (mm) 2,5 3,0 3,5 4,0 5,0 6,0 7,0
Weight kg/m2 19,62 23,55 27,47 31,4 39,25 47,1 54,95
Thickness (mm) 8,0 9,0 10 12 14 16 18
Weight kg/m2 62,8 70,65 78,5 94,2 109,9 125,6 141,3
Thickness (mm) 20 22 25 30 40 50 60
Weight kg/m2 157 172,7 196,25 235,5 314 392,5 471
Categorysteel grade
1St0, St2kp, St2ps, St2sp, St3kp, St3ps, St3sp, St5ps, St5sp, St5Gps
2St2kp, St2ps, St2sp, St3kp, St3ps, St3sp, St3ps, St3sp, St5Gps
3St3kp, St3ps, St3sp, St3Gps, St3Gsp, St4ps, St4sp
4St3ps, St3sp, St3Gps, St3Gsp
5St3ps, St3sp, St3Gps, St3Gsp
6St3ps, St3sp, St3Gps, St3Gsp

Hot rolled sheets, GOST 19903-74

This standard applies to hot-rolled sheets with a width of 500 mm or more, manufactured in sheets with a thickness of 0.4 to 160 mm and rolls with a thickness of 1.2 to 12 mm.

The standard fully complies with ST SEV 1969-79 for structural unalloyed rolled products of ordinary quality and low alloy with a thickness of 1.00 to 2.80 mm in sheets and rolls and ST SEV 3901-82 for rolled products with a thickness from 3.00 to 160 mm in sheets .

Rolled sheets are divided into:

a) in terms of rolling accuracy for thicknesses up to 12 mm:

increased accuracy - A; normal accuracy - B;

b) by flatness:

  • especially high flatness - PO;
  • high flatness - PV;
  • improved flatness - PU;
  • normal flatness – PN;

c) by the nature of the edge:

  • with unedged edge - BUT;
  • with edged – O;

d) by size:

  • indicating the dimensions of thickness, width and length;
  • indicating dimensions by thickness;
  • indicating dimensions that are multiples of the width and length of the dimensions specified in the order;
  • indicating the measured dimensions.

At the request of the consumer, the thickness difference in rolled products produced in rolls in one cross section should not exceed half the sum of the maximum deviations in thickness.

Maximum deviations in the width of rolled products with cut edges, manufactured in rolls, must not exceed:

+ 5 mm – with a width from 500 to 1000 mm inclusive;

+ 10 mm – for widths over 1000 mm.

Maximum deviations in the width of rolled products with cut edges, manufactured in sheets, should not exceed the standards specified in table. 1.

Rolled width, mmRolled thickness, mmMaximum deviations for the width of rolled products
Up to 800/over 800up to 3.9+6/+10
Up to 1500/over 15003.9 to 16+10/+15
All widths16-60/60-100/100-160+25/+50/+75

For sheets over 8 m with a thickness of up to 12 mm, maximum deviations in width should not exceed 0.2% of the length.

By agreement with the consumer, maximum deviations in the width of rolled products with cut edges, manufactured in sheets, should not exceed:

+ 5 mm – for widths up to 1000 mm inclusive;

+ 10 mm – for steel widths over 1000 mm.

Maximum deviations in the width of sheet metal, rolled sheet-by-sheet and manufactured with an unedged edge, should not exceed by more than 50 mm the maximum deviations in width specified in Table 1.

By agreement between the consumer and the manufacturer, other maximum deviations are allowed to ensure that the consumer receives sheets with the dimensions specified in the order.

Maximum deviations in the width of rolled products rolled on continuous mills and manufactured with uncut edges must not exceed:

+ 20 mm – for widths up to 1000 mm;

+ 30 mm – for widths over 1000 mm.

Maximum deviations along the length of rolled sheets must not exceed the standards specified in Table 2.

Rolled length, mmRolled thickness, mmMaximum deviation along the length of rolled products, mm
Up to 1500 / Over 1500up to 3.9+10/+15
Up to 2000 / Over 2000 up to 60003.9 to 16+10/+25/+35
Up to 3000 / St 3000 to 600016 to 60+15/+25/+40
All lengths60 to 100 >100 >160+50/+75

Maximum deviations along the length of rolled products rolled on continuous mills and cut into sheets must not exceed the standards specified in Table 3.

Rolled length, mmRolled thickness, mmMaximum deviation, mm
Up to 1500 / Over 1500up to 3.9+15/+20
Up to 4000 / Over 40003,9+20/+25

Deviations from flatness per 1 m length of rolled products manufactured in sheets should not exceed the following standards:

a) Particularly high flatness

  • Sheet thickness 0.4-1.4 mm – 8 mm.
  • Sheet thickness is 1.5-3.9 mm. – 8 mm.
  • Sheet thickness 4 mm or more – 5 mm.

b) High flatness

  • Sheet thickness 0.4-1.4 mm – 10 mm.
  • Sheet thickness is 1.5-3.9 mm. – 10 mm.
  • The thickness of sheets 4 mm and more is 8 mm.

c) Improved flatness

  • Sheet thickness 0.4-1.4 mm – 15 mm.
  • Sheet thickness is 1.5-3.9 mm. – 12 mm.
  • Sheet thickness 4 mm or more – 10 mm.

d) Normal flatness

  • Sheet thickness 0.4-1.4 mm – 20 mm.
  • Sheet thickness is 1.5-3.9 mm. – 15 mm.
  • The thickness of sheets 4 mm and more is 12 mm.

Rolled sheets with particularly high flatness are produced by agreement between the consumer and the manufacturer.

When producing rolled products in sheets and rolls with uncut edges, tears and other defects (if they are present on the edges) should not exceed half of the maximum deviations in width and lead the sheets beyond the nominal size along the width specified in the order. Rolled products produced in rolls should not have twisted and crumpled ends. Curved edges at an angle of no more than 90 degrees are allowed in some places.

The telescopicity of rolled products produced in rolls should not exceed the following standards:

— for rolled products up to 2.5 mm thick and up to 800 mm wide – 50 mm.

— for rolled products up to 2.5 mm thick and over 800 mm wide – 100 mm.

- for rolled products with a thickness of over 2.5 mm and a width of up to 800 mm - 35 mm.

— for rolled products with a thickness over 2.5 mm and a width over 800 mm – 70 mm.

According to the agreement between the manufacturer and the consumer, the telescopicity of rolled products in rolls up to 2.5 mm thick, width St. 800 mm should not exceed 70 mm. The excess of one internal or one external turn above the surface of the roll end is not telescopic. A loose fit between the two outer turns of the roll is allowed.

The thickness of rolled products is measured:

- on sheets - at a distance of at least 100 mm from the ends and at least 40 mm from the edges;

- on rolls - at a distance of at least 40 mm from the edges and at least 2 m from the end of the roll.

The width of rolled products produced in rolls is measured at a distance of at least 2 m from the end of the roll. Partial width ends should not exceed the width of the roll. At the request of the consumer, ends of partial width must be trimmed.

Rolled products may consist of no more than two pieces (separate or connected by a weld). The length ratio of the roll should not be less than 1:5. In agreement with the consumer, rolls with a large number of pieces or welds are produced.

The internal diameter of the roll must be no less than 650 mm and no more than 1000 mm. The maximum weight of each roll should not exceed 20 tons. By agreement between the consumer and the manufacturer, rolls of other weights are allowed.

back to list

GOST 19903-74 Hot-rolled sheet products. Assortment

Table 4

mm

Rolled thickness Maximum deviation in thickness of rolled products at width
St. 1000 to 1200 St. 1200 to 1500 St. 1500 to 1700 St. 1700 to 1800 St. 1800 to 2000 St. 2000 to 2300 St. 2300 to 2500: St. 2500 to 2600 St. 2600 to 2800 St. 2800 to 3000 St. 3000 to 3200 St. 3200 to 3400 St. 3400 to 3600 St. 3600 to 3800;
St. 12.5 to 25.0 +0,2 +0,2 +0,3 +0,4 +0,6 +0,8 +0,8 +1,0 +1,1 +1,2 +1,3 +1,4
-0,8 -0,8 -0,8 -0,8 -0,8 -0,8 -0,8 -0,8 -0,8 -0,8 -0,8 -0,8
» 25,0 » 30,0 +0,2 +0,2 +0,3 +0,4 +0,6 +0,8 +0,9 +1,0 +1,1 +1,2 +1,3 +1,4 +1,5 +1,6
-0,9 -0,9 -0,9 -0,9 -0,9 -0,9 -0,9 -0,9 -0,9 -0,9 -0,9 -0,9 -0,9 -0,9
» 30,0 » 34,0 +0,2 +0,3 +0,3 +0,4 +0,5 +0,8 +0,9 +1,0 +1,2 +1,3 +1,4 +1,5 +1,6 +1,7
-1,0 -1,0 -1,0 -1,0 -1,0 -1,0 -1,0 -1,0 -1,0 -1,0 -1,0 -1,0 -1,0 -1,0
» 34,0 » 40,0 +0,3 +0,4 +0,5 +0,6 +0,7 +0,9 +1,0 ±1,1 +1,3 +1,4 +1,5 +1,6 +1,7 +1,8
-1,1 -1,1 -1,1 -1,1 -1,1 -1,1 -1,1 -1,1 -1,1 -1,1 -1,1 -1,1 -1,1
» 40,0 » 50,0 +0,4 +0,5 +0,6 +0,7 +0,8 +1,0 +1,1 ±1,2 +1,4 +1,5 +1,6 +1,7 +1,8 +1,9
-1,2 -1,2 -1,2 -1,2 -1,2 -1,2 -1,2 -1,2 19, -1,2 -1,2 -1,2 -1,2
» 50,0 » 60,0 +0,6 +0,6 +0,7 +0,8 +0,9 +1,0 +1,1 +1,2 +1,4 +1,5 +1,6 +1,7 +1,8 +1,9
-1,3 -1,3 -1,3 -1,3 -1,3 -1,3 -1,3 -1,3 -1,3 -1,3 -1,3 -1,3 -1,3 -1,3
» 60,0 » 70,0 -. +0,7 +0,8 +0,9 +1,0 +1,1 +1,2 +1,3 +1,4 +1,5 ±1,6 +1,7 +1,8 +1,9
-1,6 -1,6 -1,6 -1,6 -1,6 -1,6 -1,6 -1,6 -1,6 -1,6 -1,6 -1,6
» 70,0 » 80,0 +0,7 +0,8 +0,9 +1,0 +1,1 +1,2 +1,3 +1,4 +1,5 +1,6 +1,7 +1,8 +1,9
-2,2 -2,2 -2,2 -2,2 -2,2 -2,2 -2,2 -2,2 -2,2 -2,2 -2,2 -2,2 -2,2
» 80,0 » 90,0 +0,8 +0,9 +1,0 +1,1 +1,2 +1,3 +1,4 +1,5 +1,6 +1,7 +1,8 +1,9 +2,0
-2,5 -2,5 -2,5 2,5 -2,5 -2,5 -2,5 -2,5 -2,5 -2,5 -2,5 -2,5 -2,5
» 90,0 » 100,0 +0,9 +1,0 +1,1 +1,2 +1,3 +1,4 +1,5 +1,6 +1,7 +1,8 +1,9 +2,0 +2,1
-2,7 -2,7 -2,7 -2,7 -2,7 -2,7 -2,7 -2,7 -2,7 -2,7 -2,7 -2,7 -2,7
» 100,0 » 115,0 +1,1 +1,2 +1,3 +1,4 +1,5 +1,6 +1,7 +1,8 +1,9 +2,0 +2,1 +2,2 +2,3
-3,1 -3,1 -3,1 -3,1 -3,1 -3,1 -3,1 -3,1 -3,1 -3,1 -3,1 -3,1 -3,1
» 115,0 » 125,0 +1,4 +1,5 +1,6 +1,7 +1,8 +1,9 +2,0 +2,1 +2,2 +2,3 +2,4 +2,5 +2,6
-3,5 -3,5 -3,5 -3,5 -3,5 -3,5 -3,5 -3,5 -3,5 -3,5 -3,5 -3,5 -3,5
» 125,0 » 140,0 +1,6 +1,7 +1,8 +1,9 +2,0 +2,1 +2,2 +2,3 +2,4 +2,5 +2,6 +2,8 +2,9
-3,8 -3,8 -3,8 -3,8 -3,8 -3,8 -3,8 -3,8 -3,8 -3,8 -3,8 -3,8 -3,8
» 140,0 » 160,0 +1,9 +2,0 +2,1 +2,2 +2,3 +2,4 +2,5 +2,6 +2,7 +2,8 +2,9 +3,0 +3,1
-4,2 -4,2 -4,2 -4,2 -4,2 -4,2 -4,2 -4,2 -4,2 -4,2 -4,2 -4,2 -4,2
Note. At the request of enterprises of the Ministry of Aviation Industry, it is allowed to produce rolled sheets with minus tolerances equal in value to the sum of the maximum deviations.

5. At the request of the consumer, the thickness difference in rolled products produced in rolls in one cross section should not exceed half the sum of the maximum deviations in thickness.

6. Maximum deviations in the width of rolled products with cut edges, produced in rolls, must not exceed:

+5 mm - for widths from 500 to 1000 mm inclusive;

+10 mm - with a width of St. 1000 mm.

7. Maximum deviations in the width of rolled products with cut edges, manufactured in sheets, should not exceed the standards specified in table. 5.

Table 5

mm

Rolled width Rolled thickness Maximum deviation in width of rolled products
Up to 800

St. 800

Up to 3.9 +6

+10

Up to 1500

St. 1500

St. 3.9 to 16 +10

+15

All widths St. 16 to 60 +25
St. 60 to 100 +50
St. 100 to 160 +75
Note. For sheets longer than 8 m with a thickness of up to 12 mm, maximum deviations in width should not exceed 0.2% of the length.

By agreement between the manufacturer and the consumer, the maximum deviations in the width of rolled products with trimmed edges, produced in sheets, should not exceed:

+5 mm - for widths up to 1000 mm inclusive;

+10 mm - with a steel width of St. 1000 mm.

(Changed edition, Amendment No. 1, 2, 3).

8. Maximum deviations in the width of sheet metal, rolled sheet-by-sheet and manufactured with an unedged edge, should not exceed by more than 50 mm the maximum deviations in width indicated in Table. 5.

By agreement between the consumer and the manufacturer, other maximum deviations are allowed to ensure that the consumer receives sheets with the dimensions specified in the order.

(Changed edition, Amendment No. 1).

9. Maximum deviations in the width of rolled products rolled on continuous mills and manufactured with uncut edges must not exceed:

+20 mm - for widths up to 1000 mm;

+30 mm - for widths over 1000 mm.

10. Maximum deviations along the length of sheet-rolled products must not exceed the standards specified in table. 6.

Table 6

mm

Rolled length Rolled thickness Maximum deviation along the length of rolled products
Up to 1500 Up to 3.9 +10
St. 1500 +15
Until 2000 St. 3.9 to 16 +10
St. 2000 to 6000 +25
» 6000 +35
Up to 3000 St. 16 to 60 +15
St. 3000 to 6000 +25
» 6000 +40
All lengths St. 60 to 100 +50
» 100 » 160 +75

(Changed edition, Amendment No. 1).

11. Maximum deviations along the length of rolled products rolled on continuous mills and cut into sheets must not exceed the standards specified in table. 7.

Table 7

mm

Rolled length Rolled thickness Maximum deviation along the length of rolled products
Up to 1500 Up to 3.9 +15
St. 1500 +20
Up to 4000 St. 3.9 +20
St. 4000 +25

(Changed edition, Amendment No. 3).

12. Deviations from flatness per 1 m length of rolled products produced in sheets should not exceed the standards specified in table. 8.

13. The crescent shape of rolled products manufactured in rolls should not exceed 10 mm per 3 m length. By agreement between the manufacturer and the consumer, the crescent shape of rolled products produced in sheets should not exceed 2 mm per 1 m length.

By agreement between the consumer and the manufacturer, another maximum crescent value may be established.

(Changed edition, Amendment No. 6).

14. Sheets should be cut at right angles. The oblique cut and crescent shape should not take the sheets beyond the nominal dimensions in width and length.

(Changed edition, Amendment No. 1).

Table 8

mm

Type of flatness Deviation from flatness with thickness of rolled products, mm, no more
0,4 — 1,4 1,5 — 3,9 4.0 or more
Particularly high 8 8 5
High 10 10 8
Improved 15 12 10
Normal 20 15 12
Notes:

1. Deviations from flatness, given in table. 8, apply to rolled sheets with sв < 70 kgf/mm2, for rolled sheets with sв >

70 kgf/mm2 standards are established in standards for general technical requirements or in technical specifications.

2. Rolled sheets with particularly high flatness are produced by agreement between the consumer and the manufacturer.

(Changed edition, Amendment No. 1).

15. When producing rolled products in sheets and rolls with uncut edges, tears and other defects (if they are present on the edges) should not exceed half of the maximum deviations in width and bring the sheets beyond the nominal size along the width specified in the order.

16. Products produced in rolls must not have twisted or crumpled ends. Curved edges at an angle of no more than 90° are allowed in some places.

17. The telescopicity of rolled products produced in rolls should not exceed the standards specified in table. 9.

Table 9

mm

Rolled thickness Rolled width Telescopicity of rolls
Up to 2.5 Up to 800 50
St. 800 100
St. 2.5 Up to 800 35
St. 800 70
Note. By agreement between the manufacturer and the consumer, the telescopicity of rolled products in rolls up to 2.5 mm thick, width St. 800 mm should not exceed 70 mm.

The excess of one internal or one external turn above the surface of the roll end is not telescopic.

A loose fit between the two outer turns of the roll is allowed.

(Changed edition, Amendment No. 2, 3).

18. Measurement of the thickness of rolled products is carried out:

a) on sheets - at a distance of at least 100 mm from the ends and at least 40 mm from the edges;

b) on rolls - at a distance of at least 40 mm from the edges and at least 2 m from the end of the roll.

(Changed edition, Amendment No. 1).

19. The width of rolled products produced in rolls is measured at a distance of at least 2 m from the end of the roll.

Partial width ends should not exceed the width of the roll. At the request of the consumer, ends of partial width must be trimmed.

20. Methods for measuring shape deviations - according to GOST 26877.

(Changed edition, Amendment No. 1, 6).

21. Rolled products may consist of no more than two pieces (separate or connected by a weld).

The ratio of the lengths of the pieces in one roll should not be less than 1:5. By agreement between the consumer and the manufacturer, rolls with a large number of pieces or welds are allowed.

22. The internal diameter of the roll must be no less than 650 mm and no more than 1000 mm.

23. The maximum weight of each roll should not exceed 20 tons. By agreement between the consumer and the manufacturer, rolls of other weights are allowed.

21 — 23. (Changed edition, Amendment No. 1).

Rolled sheets GOST

GOST 19903-74. Hot rolled sheet products. Assortment

This standard applies to hot-rolled sheets with a width of 500 mm or more, manufactured in sheets with a thickness of 0.4 to 160 mm and rolls with a thickness of 1.2 to 12 mm.

GOST 19904-90. Cold-rolled sheet products. Assortment

This standard applies to cold-rolled sheets with a width of 500 mm or more, manufactured in sheets with a thickness of 0.35 to 5.0 mm, rolls with a thickness of 0.35 to 3.50 mm

GOST 14637-89. Rolled thick sheets of carbon steel of ordinary quality. Technical conditions.

This standard applies to plate hot-rolled carbon steel of ordinary quality, manufactured with a width of 500 mm or more and a thickness from 4 to 160 mm inclusive.

GOST 16523-97. Rolled thin sheets of carbon steel of high quality and ordinary quality for general purposes. Technical conditions.

This standard applies to 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, and a thickness of up to 3.9 mm inclusive.

GOST 14918-80. Galvanized thin sheet steel from continuous lines (technical conditions).

This standard applies to sheet and coil cold-rolled steel, hot-dip galvanized, intended for cold profiling, for painting, for the manufacture of stamped parts, utensils, containers and other metal products.

GOST 1577-93. Rolled thick sheets and wide strips of structural high-quality steel (technical conditions).

This standard applies to hot-rolled thick-sheet and broad-sheet products made of high-quality structural unalloyed and alloyed steel.

GOST 19281-89. Rolled products made of high-strength steel (general technical specifications)

GOST 4041-71. Rolled sheets for cold stamping from high-quality structural steel.

This standard applies to rolled sheets with a thickness of 4 to 14 mm made of high-quality structural carbon steel intended for cold stamping.

GOST 9045-93. Cold-rolled thin sheets of low-carbon high-quality steel for cold stamping (technical conditions).

This standard applies to thin-sheet cold-rolled products made of low-carbon high-quality steel with a thickness of up to 3.9 mm, intended for cold stamping. Download GOST 9045-93

GOST 30246-94. Thin-sheet rolled products with protective and decorative coating for building structures (technical conditions).

This standard applies to rolled sheet metal with a protective and decorative coating intended for the manufacture of structures and other building products by cold roll forming and bending.

Rating
( 1 rating, average 4 out of 5 )
Did you like the article? Share with friends:
Для любых предложений по сайту: [email protected]