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 | S355J2-steel_4448.html target=_blank class=infotextkey>S355JR | |
| JIS | SS490/SM490A | |
| NFA 35-501 | E36-2 | |
| BS1449 | 50B | |
| UNI7070 | FE 510 B | |
ASTM A572 gr50 Chemical analysis
| 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 |
ASTM A572 gr50 Mechanical properties
| 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 |
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| Up to 1.5mm 1.51-2.00mm 2.01-2.50mm 2.51-2.99mm ≥ 3mm | 13 14 15 16 20 |
As for the mechanical properties of ASTM A572 Gr.50, 345 Mpa is the yield point levels most closely approximating a geometric progression pattern between 36 ksi min yield point steels covered by Specification A36/A36M and 100ksi min yield point steels covered by Specification A514/A514M. ASTM A572 Gr.50 is on schedule and ensuring the delivery of the goods. Generally speaking, A572 Gr.50 is mainly used for national three generations of nuclear power plant construction project haiyang NPP.
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