DRAWING STEELS
Applications
Cold rolled steel sheets made of low carbon non-alloyed drawing steel are suitable for cold forming processes; for products with varnished or metal coating and for enamelling.
U. S. Steel Košice has implemented and maintains a quality control
system in accordance with the standard EN ISO 9001,as well as in
accordance with IATF 16949 for the automotive industry, issued by TÜV SÜD. A part of production is certified in accordance with the European Parliament Regulation 97/23/EC, AD2000W1.
Grades
Cold rolled products are classified into quality grades according to
their chemical composition and mechanic properties.
TECHNICAL SPECIFICATION
DRAWING STEELS - BRAND CORRESPONDENCE
| European standard EN 10130/06 |
Japan JIS G 3141 |
USA | U. S. Steel Košice | ||
|---|---|---|---|---|---|
| ASTM | SAE | ||||
| DC01 | SPCC | A 620, A 366 | 1008 | KOHAL 280 | |
| DC03 | SPCD | A 620, A 366,A 619 | 1008 | KOHAL 240 | |
| DC04 | SPCE | - | 1006 | KOHAL 200 | |
| DC05 | SPCE | - | - | - | |
| DC06 | - | - | - | - | |
DC01 - drawing grades, suitable for non-structural pressworks, bending and cold flanging
DC03 - deep-drawing grades, suitable for inner components of automobile bodies and other pressworks
DC04 - super deep-drawing grades, suitable for complicated outer and inner components of automobile bodies and other pressworks
DC05 - extra deep-drawing grades, suitable for multifaceted large scale pressworks of automobile bodies
DC06 - extra deep-drawing grades, suitable for multifaceted large scale pressworks of automobile bodies,
in USSK operation the grades are produced by steel vacuum degassing
CHEMICAL COMPOSITION
| Grade according to EN 10130/06 U. S. Steel Košice, s.r.o. |
Heat analysis in % | ||||||
|---|---|---|---|---|---|---|---|
| CMAX | MnMAX | PMAX | SMAX | SiMAX | AlMIN | TiMAX | |
| DC01 1) | 0,12 | 0,60 | 0,045 | 0,045 | - | - | - |
| KOHAL 280 | 0,10 | 0,50 | 0,030 | 0,030 | 0,10 | - | - |
| DC03 | 0,10 | 0,45 | 0,035 | 0,035 | - | - | - |
| KOHAL 240 | 0,08 | 0,40 | 0,025 | 0,020 | 0,05 | 0,025 | - |
| DC04 | 0,08 | 0,40 | 0,030 | 0,030 | - | - | - |
| KOHAL 200 | 0,07 | 0,30 | 0,020 | 0,015 | 0,03 | 0,030 | - |
| DC05 | 0,06 | 0,35 | 0,025 | 0,025 | - | - | - |
| DC06 | 0,02 | 0,25 | 0,020 | 0,020 | - | - | 0,3 |
1) Subject to prior agreement
MECHANICAL PROPERTIES
| Grade according to EN 10130/06 U. S. Steel Košice, s.r.o. |
RP 0.2 MAX [MPa] | Rm [MPa] | A MIN (%) L0 = 80 mm |
r90 min. |
n90 min. |
|---|---|---|---|---|---|
| DC01 1) | 280 | 270 - 410 | 28 | - | - |
| KOHAL 280 | 280 | 270 - 410 | 28 | - | - |
| DC03 | 240 | 270 - 370 | 34 | 1,30 | - |
| KOHAL 240 | 240 | 270 - 370 | 34 | 1,30 | - |
| DC04 | 210 | 270 - 350 | 38 | 1,60 | 0,18 |
| KOHAL 200 | 200 | 270 - 350 | 38 | 1,60 | 0,18 |
| DC05 | 180 | 270 - 330 | 40 | 1,90 | 0,20 |
| DC06 | 170 | 270 - 330 | 41 | 2,10 | 0,22 |
1) Subject to prior agreement
DIMENSIONS OF SHEETS AND COILS [ mm ]
| Width | ||||||
|---|---|---|---|---|---|---|
| Nominal thickness | 750 | 1275 | 1305 | 1335 | 1500 | |
| 0,400 - 0,449 | ||||||
| 0,450 - 0,549 | ||||||
| 0,550 - 0,649 | ||||||
| 0650 - 2,000 | ||||||
The width of 700 - 749 mm at the thickness of 0,80 - 2,00 mm is the subject to prior agreement
DIMENSIONS OF SHEETS [mm]
| Thickness | Length |
|---|---|
| 0,40 - 1,00 | 1 000 - 3 100 |
| 1,01 - 2,00 | 1 000 - 4 000 |
DIMENSIONS OF COILS AND SLIT COILS [mm]
| Thickness | Inner diameter | Outer diameter | Coil | Slit coil | ||
|---|---|---|---|---|---|---|
| Width | Weight | Width | Weight | |||
| 0,40 - 1,30 | approx. 500 or 600 | max. 1 800 | 750 - 1 050 | -13 - 15 kg.mm of width | 21 - 600 | max. 15 000 kg |
| 0,40 - 2,00 | approx. 600 | 750 - 1 500 | -12 - 17 kg.mm of width | |||
NOTE: thickness is graded by 0,01 mm; width and length by 5,0 mm
THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10131/06 [ mm ] Re < 260 MPa
| Nominal thickness | Normal tolerances at width | Reduced tolerances at width | ||
|---|---|---|---|---|
| ≤ 1 200 | > 1 200 ≤ 1 500 | ≤ 1 200 | > 1 200 ≤ 1 500 | |
| ≤ 0,40 | ± 0,03 | ± 0,04 | ± 0,020 | ± 0,025 |
| > 0,40 ≤ 0,60 | ± 0,03 | ± 0,04 | ± 0,025 | ± 0,030 |
| > 0,60 ≤ 0,80 | ± 0,04 | ± 0,05 | ± 0,030 | ± 0,035 |
| > 0,80 ≤ 1,00 | ± 0,05 | ± 0,06 | ± 0,035 | ± 0,040 |
| > 1,00 ≤ 1,20 | ± 0,06 | ± 0,07 | ± 0,040 | ± 0,050 |
| > 1,20 ≤ 1,60 | ± 0,08 | ± 0,09 | ± 0,050 | ± 0,060 |
| > 1,60 ≤ 2,00 | ± 0,10 | ± 0,11 | ± 0,060 | ± 0,070 |
NOTE: reduced tolerances are subject to prior agreement
THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10131/06 [ mm ] 260 ≤ Re < 340 MPa
| Nominal thickness | Normal tolerances at width | Reduced tolerances at width | ||
|---|---|---|---|---|
| ≤ 1 200 | > 1 200 ≤ 1 500 | ≤ 1 200 | > 1 200 ≤ 1 500 | |
| ≤ 0,40 | ± 0,04 | ± 0,05 | ± 0,025 | ± 0,030 |
| > 0,40 ≤ 0,60 | ± 0,04 | ± 0,05 | ± 0,030 | ± 0,035 |
| > 0,60 ≤ 0,80 | ± 0,05 | ± 0,06 | ± 0,035 | ± 0,040 |
| > 0,80 ≤ 1,00 | ± 0,06 | ± 0,07 | ± 0,040 | ± 0,050 |
| > 1,00 ≤ 1,20 | ± 0,07 | ± 0,08 | ± 0,050 | ± 0,060 |
| > 1,20 ≤ 1,60 | ± 0,09 | ± 0,11 | ± 0,060 | ± 0,070 |
| > 1,60 ≤ 2,00 | ± 0,12 | ± 0,13 | ± 0,070 | ± 0,080 |
NOTE: reduced tolerances are subject to prior agreement
SHEET FLATNESS TOLERANCES1) IN ACCORDANCE WITH EN 10131/06 [ mm ] Re < 260 MPa
| Nominal width | Normal tolerances at thickness | Reduced tolerances2) at thickness | ||||
|---|---|---|---|---|---|---|
| < 0,70 | ≥ 0,70 < 1,20 | ≥ 1,20 | < 0,70 | ≥ 0,70 < 1,20 | ≥ 1,20 | |
| ≥ 600 < 1 200 | 10 | 8 | 7 | 5 | 4 | 3 |
| ≥ 1 200 < 1 500 | 12 | 10 | 8 | 6 | 5 | 4 |
| ≥ 1 500 | 17 | 15 | 13 | 8 | 7 | 6 |
1) coil flatness tolerances are subject to prior agreement
2) reduced tolerances are subject to prior agreement
SHEET FLATNESS TOLERANCES1) IN ACCORDANCE WITH EN 10131/06 [ mm ] 260 ≤ Re < 340 MPa
| Nominal width | Normal tolerances at thickness | Reduced tolerances2) at thickness | ||||
|---|---|---|---|---|---|---|
| < 0,70 | ≥ 0,70 < 1,20 | ≥ 1,20 | < 0,70 | ≥ 0,70 < 1,20 | ≥ 1,20 | |
| ≥ 600 < 1 200 | 13 | 10 | 8 | 8 | 6 | 5 |
| ≥ 1 200 < 1 500 | 15 | 13 | 11 | 9 | 8 | 6 |
| ≥ 1 500 | 20 | 19 | 17 | 12 | 10 | 9 |
1) coil flatness tolerances are subject to prior agreement
2) reduced tolerances are subject to prior agreement
SURFACE FINISH AND ROUGHNESS VALUES
| Surface finish | Symbol | Roughness |
|---|---|---|
| Bright | b | Ra ≤ 0,9 μm |
| Matt | m | 0,6 μm < Ra ≤ 1,9 μm |
| Rough | r | Ra > 1,6 μm |
WELDABILITY
- steels are suitable for welding with standard techniques
SURFACE TREATMENT
- non-oiled - without corrosion guarantee
- oiled - oil weight 0,5 - 2,5 g.m-2
(electrostatically applied oil layer
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U. S. Steel Košice, s.r.o.
Vstupný areál U. S. Steel
044 54 Košice
Slovak Republic
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ID No.: 36 199 222
VAT ID: SK7020000119
Commercial Register: District Court Kosice I, Sec.: Sro, File No.: 11711/V
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