Grades
European standard EN 10292/2000 |
USA ASTM |
U. S. Steel Košice, s.r.o. |
|---|---|---|
| H220YD | ZINKODUR 220 | |
| H260LAD | ZINKODUR 260 | |
| H300LAD | ZINKODUR 300 | |
| H340LAD | A 653 HSLA, Grade A,B | ZINKODUR 340 |
| H380LAD | ||
Symbols: H - flat cold rolled products from high-strength steels for cold forming, number - min. Re in MPa, LA - Low-alloyed, D - for hot dipping. Y - interstitial free |
||
Chemical properties
Grade according to EN 10 292/2000 U. S. Steel Košice, s.r.o. |
Heat analysis in % | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| C | SiMAX | MnMAX | PMAX | SMAX | Al | TiMAX | NbMAX | VMAX | |
| H220 YD | max. 0.01 | 0.10 | 0.90 | 0.080 | 0.025 | min. 0.020 | 0.12 | - | |
| ZINKODUR 220 | 0.03 - 0.06 | 0.030 | 0.21 | 0.010 | 0.010 | 0.02 - 0.05 | 0.022 | ||
| H260 LAD | max. 0.10 | 0.50 | 0.60 | 0.025 | 0.025 | min. 0.015 | 0.15 | 0.09 | |
| ZINKODUR 260 | 0.040 | 0.010 | 0.10 | 0.08 | 0.10 | ||||
| H300 LAD | max. 0.10 | 0.50 | 1.00 | 0.025 | 0.025 | min. 0.015 | 0.15 | 0.09 | |
| ZINKODUR 300 | 0.040 | 0.60 | 0.010 | 0.10 | 0.08 | 0.10 | |||
| H340 LAD | max. 0.10 | 0.50 | 1.00 | 0.025 | 0.025 | min. 0.015 | 0.15 | 0.09 | |
| ZINKODUR 340 | max 0.12 | 0.040 | 0.010 | 0.10 | 0.08 | 0.10 |
|||
| H380 LAD | 0.10 | 0.50 | 1.40 | 0.025 | 0.025 | min. 0.015 | 0.15 | 0.09 | |
Mechanical properties
Grade according to EN 10 292/2000 U. S. Steel Košice, s.r.o. |
Mechanical properties | |||||||
|---|---|---|---|---|---|---|---|---|
RP 0.2 (MPa) transversal |
Rm (MPa) transversal |
A MIN (%) L0= 80 mm transversal |
r90 min. transversal |
n90 min. transversal |
RP 0.2 (MPa) longitudinally |
Rm (MPa) longitudinal |
A MIN (%) L0= 80 mm longitudinal |
|
| H220 YD | 220 - 280 | 340 - 410 | 32 | 1.5 | 0.17 | - | - | - |
| ZINKODUR 220 | min. 220 | min. 340 | 28 | - | - | - | - | - |
| H260 LAD | 260 - 330 | 350 - 430 | 26 | - | - | 240 - 310 | 340 - 420 | 27 |
| ZINKODUR 260 | min. 260 | min. 350 | 24 | - | - | - | - | - |
| H300 LAD | 300 - 380 | 380 - 480 | 23 | - | - | 280 - 360 | 370 - 470 | 24 |
| ZINKODUR 300 | min. 300 | min. 380 | 22 | - | - | - | - | - |
| H340 LAD | 340 - 420 | 410 - 510 | 21 | - | - | 320 - 400 | 400 - 500 | 22 |
| ZINKODUR 340 | min. 340 | min. 410 | 20 | - | - | - | - | - |
| H380 LAD | 380 - 480 | 440 - 560 | 19 | - | - | 360 - 460 | 430 - 550 | 20 |
Technical delivery regulations, dimensions, metallurgical certificate
| STANDARDS | European standards | USA ASTM | U. S. Steel Košice, s.r.o. |
|
|---|---|---|---|---|
Technical delivery regulations |
sheets | EN 10292/2000 | A 924/99 | ČSN, STN 42 0115/83 |
| coils | ||||
longitudinally cut strips |
by agreement | |||
| Dimensions | sheets | EN 10143/93 | A 924/99 | ČSN, STN 42 6333/83 |
| coils | ||||
longitudinally cut strips |
by agreement | |||
| Metallurgical certificate | EN 10204/91 + A1/95 | |||
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