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SA516 GR 65 has a tensile strength of 450-585 MPa and 240 MPa yield, while SA516 GR 70 offers 485-620 MPa tensile and 260 MPa yield, making it stronger.Gangsteel supplies both ASME SA 516 GR 65 and ASME SA 516 GR 70 for pressure vessels. This article compares their properties and applications.
|
Element |
GR 65 (% by Weight) |
GR 70 (% by Weight) |
Notes |
|---|---|---|---|
|
Carbon (C) |
Max 0.29 |
0.27 - 0.31 |
GR 65 lower for better weldability. |
|
Manganese (Mn) |
0.79 - 1.30 |
0.79 - 1.30 |
Similar strength enhancement. |
|
Phosphorus (P) |
≤0.025 |
≤0.025 |
Both ensure toughness. |
|
|
|
|
|
|
Property |
GR 65 |
GR 70 |
Notes |
|---|---|---|---|
|
Tensile Strength |
450 - 585 MPa |
485 - 620 MPa |
GR 70 stronger for high pressure. |
|
Yield Strength (min) |
240 MPa |
260 MPa |
GR 70 higher resistance to deformation. |
|
Elongation (min, 200 mm) |
19% |
17% |
GR 65 more ductile. |
Gangsteel customizes both grades, ensuring compliance with ASME standards.
SA516 GR 65 offers better ductility, while GR 70 provides higher strength. Gangsteel’s ASME SA 516 GR 65 and ASME SA 516 GR 70 meet diverse needs.
Keywords: SA516 GR 65 vs 70, ASME SA 516, carbon steel comparison, pressure vessel plates
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