ASTM A572Gr42 steel plate for Fine-grain structural steels, normalised rolled steel
A572Gr42 steel plate, ASTM A572Gr42/50 steel plate, under ASTM standard, we can regard A572Gr42/50 steel plate as Fine-grain structural steels, normalised rolled steel.
A572Gr42 steel plate is one mainly of Fine-grain structural steels, normalised rolled 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
| A572Gr.42 ASTM-SAE MATERIAL# 1.0490 |
Comparison of steel grades | |
| UNE36081 | AE285KG/AE285KW | |
| EN 10111 | S275N | |
| DIN1614/2 | StE285 | |
| UNI | Fe E 275KG N | |
A572Gr42 steel Chemical composition
Chemical elements |
C max |
Si max |
Mn | P max |
S max. |
Cu max |
Cr max |
Ni max |
V max |
Nb max |
Al min |
| %,by mass | 0.18 | 0.40 | 0.50-1.50 | 0.030 | 0.025 | 0.55 | 0.30 | 0.30 | 0.05 | 0.05 | 0.02 |
A572Gr42 steel Mechanical properties
thickness |
Yield Strength ReH[N/mm2] transv.min. |
TensileStrengthRm[N/mm2]transv. | Fracture Elongation[%]transv. min. | Notch Impact Energy1)Ch Vcomplete samplelongitud. min [J] |
| t≤ 16mm t > 16mm |
275 265 |
+20 KV 31J 0 KV 27J -10 KV 24J -20 KV 20J -40 - -50 - |
||
| t < 3mm t ≥ 3mm |
370-510 | |||
| Up to 1.5mm 1.51-2.00mm 2.01-2.50mm 2.51-2.99mm ≥ 3mm |
24 |
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