European standard EN 10111/08 |
Japan JIS G 3131 |
USA | U. S. Steel Košice | |||||
---|---|---|---|---|---|---|---|---|
ASTM | SAE | to 31th Dec 2015 | from 1st Jan2016 | from 28th Feb2023 | from 28th Feb2023 | from 28th Feb2023 | ||
DD11 | SPHC | A 569 | 1008 | KOHAL 280 T | KOHAL DD11 | KOHAL DD11 SYHF | KOHAL DD11 LIS | KOHAL 235Y360T HF |
- | - | A 621 | - | - | - | - | - | - |
DD12 | SPHD | A 622 | - | KOHAL 240 T | KOHAL DD12 | KOHAL DD12 SYHF | KOHAL DD12 LIS | - |
- | - | - | - | - | - | - | - | - |
DD13 | SPHE | - | 1006 | KOHAL 200 T | KOHAL DD13 | KOHAL DD13 SYHF | KOHAL DD13 LIS | - |
DD14 | - | - | - | KOHAL 180 T | KOHAL DD14 | - | - | - |
- | - | - | - | KOHAL DD 15 | KOHAL DD15 | - | - | - |
1) For further cold rolling
DD11 - steel is suitable for non-structural presswork, for forming
DD12 - steel is suitable for medium-structural presswork
DD13 - steel is suitable for presswork and surface treatment
DD14 - steel is suitable for structural presswork, surface treatment
The additional symbols SYHF for KOHAL DD11, KOHAL DD12 and KOHAL DD13 refer to the specific properties of the brand - Stable Yield and High Formability.
The additional symbols LIS for KOHAL DD11, KOHAL DD12 and KOHAL DD13 refer to the specific brand characteristics of Lowered Internal Stress level.
The additional symbols 235Y360T HF for KOHAL steel refer to the specific properties of the brand - minimum guaranteed Yield strength and Tensile strength and improved formability.
Grades according to EN 10111/08 U. S. Steel Košice |
Heat analysis in % | |||||
---|---|---|---|---|---|---|
CMAX | MnMAX | PMAX | SMAX | SiMAX | AlMIN | |
DD11 | 0,12 | 0,60 | 0,045 | 0,045 | - | - |
KOHAL DD11 | 0,10 | 0,50 | 0,030 | 0,030 | 0,100 | 0,020 |
DD12 | 0,10 | 0,45 | 0,035 | 0,035 | - | - |
KOHAL DD12 | 0,08 | 0,40 | 0,025 | 0,020 | 0,030 | 0,025 |
DD13 | 0,08 | 0,40 | 0,030 | 0,030 | - | - |
KOHAL DD13 | 0,07 | 0,35 | 0,020 | 0,015 | 0,030 | 0,030 |
DD14 | 0,08 | 0,35 | 0,025 | 0,025 | - | - |
KOHAL DD14 | 0,06 | 0,30 | 0,020 | 0,015 | 0,030 | 0,020 |
KOHAL DD15 | 0,02 | 0,25 | 0,015 | 0,012 | 0,020 | 0,020 |
KOHAL DD11 SYHF | 0,11 | 0,6 | 0,02 | 0,012 | 0,03 | 0,02 |
KOHAL DD12 SYHF | 0,1 | 0,45 | 0,02 | 0,012 | 0,03 | 0,02 |
KOHAL DD13 SYHF | 0,08 | 0,4 | 0,02 | 0,012 | 0,03 | 0,02 |
KOHAL DD11 LIS | 0,11 | 0,6 | 0,02 | 0,012 | 0,03 | 0,02 |
KOHAL DD12 LIS | 0,1 | 0,45 | 0,02 | 0,012 | 0,03 | 0,02 |
KOHAL DD13 LIS | 0,08 | 0,4 | 0,02 | 0,012 | 0,03 | 0,02 |
KOHAL 235Y360T HF | 0,11 | 0,6 | 0,02 | 0,012 | 0,03 | 0,02 |
Grades according to EN 10111/08 U. S. Steel Košice |
ReH MIN [MPa] | Rm [MPa] | AMIN (%) | |||
---|---|---|---|---|---|---|
a < 2,0 | 2,0 ≤ a ≤ 11,0 | L0 = 80 mm |
L0 = 5,65√S0] |
|||
a < 2 | 2,0 ≤ a < 3,0 | 3,0 ≤ a ≤ 11,0 | ||||
DD11 | 170 - 360 | 170 - 340 | max. 440 | 23 | 24 | 28 |
KOHAL DD11 | 170 - 360 | 170 - 340 | 280 - 440 | 22 | 25 | 29 |
DD12 | 170 - 340 | 170 - 320 | max. 420 | 25 | 26 | 30 |
KOHAL DD12 | 170 - 340 | 170 - 320 | 280 - 420 | 24 | 27 | 31 |
DD13 | 170 - 330 | 170 - 310 | max. 400 | 28 | 29 | 33 |
KOHAL DD13 | 170 - 320 | 170 - 290 | 270 - 400 | 28 | 31 | 35 |
DD14 | 170 - 310 | 170 - 290 | max. 380 | 31 | 32 | 36 |
KOHAL DD14 | 170 - 310 | 170 - 290 | 240 - 380 | 32 | 33 | 38 |
KOHAL DD 15 | 170 - 300 | 170 - 270 | 230 - 380 | 33 | 35 | 40 |
KOHAL DD11 SYHF | 225 - 360 (t) 220 - 350 (l) |
225 - 340 (t) 220 - 330 (l) |
350 - 440 | 24 (t) 25 (l) |
26 (t) 27 (l) |
30 (t) 31 (l) |
KOHAL DD12 SYHF | 220 - 340 (t) 215 - 330 (l) |
220 - 320 (t) 215 - 310 (l) |
330 - 420 | 26 (t) 27 (l) |
28 (t) 29 (l) |
32 (t) 33 (l) |
KOHAL DD13 SYHF | 215 - 330 (t) 210 - 320 (l) |
215 - 310 (t) 210 - 300 (l) |
310 - 400 | 29 (t) 30 (l) |
32 (t) 33 (l) |
36 (t) 37 (l) |
KOHAL DD11 LIS | 220 - 360 | 220 - 340 | 320 - 440 | 24 | 25 | 29 |
KOHAL DD12 LIS | 210 - 340 | 210 - 320 | 310 - 420 | 26 | 27 | 31 |
KOHAL DD13 LIS | 200 - 330 | 200 - 310 | 300 - 400 | 29 | 31 | 34 |
KOHAL 235Y360T HF | 235 - 360 (t, l) | 235 - 340 (t, l) | 360 - 440 | 24 (t) 25 (l) |
26 (t) 27 (l) |
30 (t) 31 (l) |
(t) - values for transverse samples
(l) - values for longitudinal samples
Nominal thickness 1) | Sheet width 1) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
750 | 900 | 1000 | 1100 | 1200 | 1300 | 1400 | 1500 | |||
1,80 - 1,99 | ||||||||||
2,00 - 2,19 | 3) | |||||||||
2,20 - 2,49 | 3) | |||||||||
2,50 - 2,99 | Length of sheets: 2 000 - 4 000 4) | 3) | ||||||||
3,00 - 3,49 | 3) | |||||||||
3,50 - 4,99 | ||||||||||
5,00 - 8,00 | Length of sheets: 2 000 - 6 000 5) | |||||||||
8,01 -12,702) |
1) Basic thickness dimensions graded by 0,05 mm, width by 5,00 mm
2) Max. thickness 12,70 mm on agreement, other dimensions are subject to
prior agreement
3) Without guarantee of flatness
4) On agreement sheets are delivered up to lenght of 6 000 mm; lenghts above
4 000 mm without flatness guarantee. Lenghth is graded by 50 mm
5) On agreement sheets are delivered up to length of 12 000 mm; lengths above 000 mm without flatness guarantee. Length is graded by 50 mm
Nominal thickness 1) | Coil width 1) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
780 | 940 | 1040 | 1140 | 1240 | 1340 | 1540 | |||||
1,80 - 1,99 | |||||||||||
2,00 - 2,19 | 3) | ||||||||||
2,20 - 2,49 | Inner coil diameter: 600, 850 (+50; -20) mm | 3) | |||||||||
2,50 - 2,99 | Inner pickled coil diameter: 600, 850 | 3) | |||||||||
3,00 - 3,59 | Outercoil diameter: 1850 mm | 3) | |||||||||
3,60 - 8,00 | Coil weight: 5,0 - 15,1 kg.mm-1 of width | ||||||||||
8,01 - 12,70 2) |
1) Basic thickness dimensions graded by 0,05 mm, eidth by 5,00 mm
2) Max. thickness 12,70 mm on agreement
3) Without guarantee of flatness
Other dimensions are subject to prior agreement
Nominal thickness 1) | Width of slit coil 1) | ||||||
---|---|---|---|---|---|---|---|
110 3) - 510 | 511 - 550 | 551 - 580 | |||||
1,80 - 1,99 2) | |||||||
2,00 - 2,09 | |||||||
2,10 - 2,29 | |||||||
2,30 - 2,49 | |||||||
2,50 - 2,99 | Inner coil diameter: 600, 712, 760, 850 mm (+50, -20) | ||||||
3,00 - 3,59 | Outer coil diameter: 1850 mm | ||||||
3,60 - 6,00 | Coil weight: 5,0 - 15,1 kg.mm-1 of coil width | ||||||
6,00 - 11,00 |
1) Basic grading of thickness by 0,05 mm, width by 5 mm
2) Subject to prior agreement
Other dimensions are subject to prior agreement
Nominal thickness [mm] |
Thickness tolerances at nominal widths [mm] | ||||||
---|---|---|---|---|---|---|---|
≤ 1200 |
1200 ≤ 1500 | > 1500 ≤ 1800 1) | |||||
EN | U. S. Steel Košice | EN | U. S. Steel Košice | EN | U. S. Steel Košice | ||
≤ 2,00 |
± 0,13 | ± 0,12 | ± 0,14 | ± 0,13 | ± 0,16 | ± 0,14 | |
> 2,00 ≤ 2,50 | ± 0,14 | ± 0,13 | ± 0,16 | ± 0,14 | ± 0,17 | ± 0,15 | |
> 2,50 ≤ 3,00 | ± 0,15 | ± 0,14 | ± 0,17 | ± 0,15 | ± 0,18 | ± 0,17 | |
> 3,00 ≤ 4,00 | ± 0,17 | ± 0,15 | ± 0,18 | ± 0,17 | ± 0,20 | ± 0,18 | |
> 4,00 ≤ 5,00 | ± 0,18 | ± 0,17 | ± 0,20 | ± 0,18 | ± 0,21 | ± 0,19 | |
> 5,00 ≤ 6,00 | ± 0,20 | ± 0,18 | ± 0,21 | ± 0,19 | ± 0,22 | ± 0,20 | |
> 6,00 ≤ 8,00 | ± 0,22 | ± 0,20 | ± 0,23 | ± 0,21 | ± 0,23 | ± 0,21 | |
> 8,00 ≤ 11,00 | ± 0,24 | ± 0,22 | ± 0,25 | ± 0,22 | ± 0,25 | ± 0,23 |
Thicker plates are subject to prior agreement
Nominal thickness [mm] |
Normal sheet flatness tolerances depending on width [mm] | ||
---|---|---|---|
< 1200 | 1200 - 1500 | > 1500 1) | |
≤ 2,00 | 18 | 20 | 25 |
> 2,00 ≤ 12,70 | 15 | 18 | 23 |
1) Maximum width of U. S. Steel Košice´s hot rolled products is 1 540 mm.
2) Coil flatness tolerances are subject to prior agreement.