A572 Gr50 steel plate, ASTM A572 Gr50 steel plate, under ASTM standard, we can regard A572Gr50 steel plate as low alloy steel .A572Gr50 steel plate is one mainly low alloy steel, ASTM A572Gr42,50,55,60,65 steel is high strength low alloy steel plate sheet which is widely used in plants building, general mansions and all kinds of construction machinery, such as mines and various types of drilling rig used in construction, power shovel, electric wheel dump trucks, mining vehicles,excavators, loaders, bulldozers , various types of cranes, hydraulic support, coal mining machinery and equipments and other structures。
| A572GR50 ASTM | Comparison of steel grades | |
| EN10025:1990 | FE 510 B | |
| DIN17100 | ST52-3 | |
| EN 10025-2 | S355JR | |
| JIS | SS490/SM490A | |
| NFA 35-501 | E36-2 | |
| BS1449 | 50B | |
| UNI7070 | FE 510 B | |
| Chemical elements | C≤ 16mm max | C>16mm max | Si max | Mn max | P max. | S max. |
| %,by mass | 0.24 | 0.24 | 0.55 | 1.60 | 0.045 | 0.045 |
| thickness | Yield Strength ReH[N/mm2] transv.min. | TensileStrength Rm[N/mm2] transv. | Fracture Elongation [%]transv. min. | Notch Impact Energy1)Ch Vcomplete samplelongitud. min [J] |
| t≤ 16mm t >16mm | 355 345 | 20 degree 27J | ||
| t < 3mm t ≥ 3mm | 510-680 490-630 | |||
| Up to 1.5mm 1.51-2.00mm 2.01-2.50mm 2.51-2.99mm ≥ 3mm | 13 14 15 16 20 |
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