Application
Cold rolled steel sheets from low carbon non-alloyed drawing steels are suitable for cold forming processes; for products with varnished, metal coating and for other purposes .
Grade comparison according to respective standards
| European standard | Germany DIN 1623/83 T1 |
Japan JIS G 3141/90 |
USA | Russia GOST 9045/80 |
Czech Rep., Slovakia ČSN, STN |
U. S. Steel Košice, s.r.o. |
||
|---|---|---|---|---|---|---|---|---|
| EN 10130/91 +A1/98 |
EN 10130/91 |
ASTM | SAE | |||||
| DC01 | Fe PO1 | St 12 | SPCC | A 620 A 366 |
1008 | 08 JU VG | 11 321 | KOHAL 280 |
| DC03 | Fe PO2 | RRSt 13 | SPCD | A 620 A 366 A 619 |
1008 | 08 JU SV | 11 301 | KOHAL 240 |
| DC04 | Fe PO3 | St 14 | SPCE | 1006 | 08 JU OSV | 11 305 | KOHAL 200 | |
| DC05 | Fe PO4 | SPCE | 08 JU VOSV | KOHAL 180 | ||||
| Symbols: D - flat products for cold forming, C - cold rolled, number - differential mark of steels. |
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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 press works of automobile bodies
Chemical properties
| Grade according to EN 10130/91+ A1/98 U. S. Steel Košice, s.r.o. |
Heat analysis in % | |||||
|---|---|---|---|---|---|---|
| CMAX | MnMAX | PMAX | SMAX | SiMAX | AlMIN | |
| DCO1 | 0.12 | 0.60 | 0.045 | 0.045 | ||
| KOHAL 280 | 0.10 | 0.50 | 0.030 | 0.030 | 0.10 | |
| DCO3 | 0.10 | 0.45 | 0.035 | 0.035 | ||
| KOHAL 240 | 0.08 | 0.35 | 0.025 | 0.020 | 0.05 | 0.025 |
| DCO4 | 0.08 | 0.40 | 0.030 | 0.030 | ||
| KOHAL 200 | 0.07 | 0.30 | 0.020 | 0.015 | 0.03 | 0.030 |
| DCO5 | 0.06 | 0.35 | 0.025 | 0.025 | ||
| KOHAL 180 | 0.05 | 0.25 | 0.015 | 0.012 | 0.025 | |
Mechanical properties
| Grade according to EN 10130/91+ A1/98 U. S. Steel Košice, s.r.o. |
Mechanical properties 1) | ||||
|---|---|---|---|---|---|
Rp0.2 MAX (MPa) |
Rm (MPa) |
AMIN(%) L0=80 mm |
r90 min. |
n90 min. |
|
| DCO1 | 280 | 270 - 410 | 28 | ||
| KOHAL 280 | 280 | 270 - 410 | 28 | ||
| DCO3 | 240 | 270 - 370 | 34 | 1.30 | |
| KOHAL 240 | 240 | 270 - 370 | 34 | 1.30 | |
| DCO4 | 210 | 270 - 350 | 38 | 1.60 | 0.18 |
| KOHAL 200 | 200 | 270 - 350 | 38 | 1.60 | 0.18 |
| DCO5 | 180 | 270 - 330 | 40 | 1.90 | 0.20 |
| KOHAL 180 | 180 | 270 - 330 | 40 | 1.90 2) | 0.20 2) |
| 1) Samples are taken longitudinally
to rolling direction. 2) By mutual agreement. |
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Technical delivery regulations, dimensions, metallurgical certificate
| STANDARDS | European standards | Germany DIN 1623/83 T1 |
Japan JIS G 3141/90 |
USA | Russia GOST 9045/80 |
U. S. Steel Ko‰ice, s.r.o. |
|||
|---|---|---|---|---|---|---|---|---|---|
| EN 10130/91 +A1/98 |
EN 10130/91 |
ASTM | SAE | ||||||
| Technical delivery regulations |
sheets | EN 10130/91 +A1/98 |
EN 10130/91 |
DIN 1623/83 T1 |
JIS G 3141/90 |
A 568/98 | GOST 9045/80 |
ČSN, STN 42 0127/88 |
|
| coils | |||||||||
longitudinally cut strips |
ČSN, STN 42 0108/84 |
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| Dimensions | sheets | EN 10131/91 | DIN 1541/75 |
JIS G 3141/90 |
A 568/98 | GOST DIN |
ČSN, STN 42 6312/83 |
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| coils | |||||||||
longitudinally cut strips |
ČSN, STN 42 5351/84 |
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| Metallurgical certificate | EN 10204/91+A1/95 | EN 10204/91 +A1/95 1) |
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| 1) and in accordance with relevant technical and delivery regulations. | |||||||||
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