ASTM A516 Grade 70 is a durable, weldable carbon steel plate for pressure vessels and boilers, known for its high strength and excellent toughness at low to moderate temperatures, making it ideal for demanding applications in the oil, gas, and power industries. It offers superior tensile/yield strength and ductility compared to lower grades (like A516 Gr 60/65) and is a standard for critical components needing reliability in varied thermal conditions.
Typical Chemical Composition of ASTM A516 Grade 70 / ASME SA516 Grade 70
|
Composition |
Percentage % |
Composition |
Percentage % |
|
C |
0.10/ 0.22 |
Cu |
0.3 |
|
Si |
0.6 |
Ni |
0.3 |
|
Mn |
1/ 1.7 |
Mo |
0.08 |
|
P |
0.03 |
Nb |
0.01 |
|
S |
0.03 |
Ti |
0.03 |
|
Al |
0.02 |
V |
0.02 |
|
Cr |
0.3 |
Typical Mechanical Values of ASTM A516 Grade 70 / ASME SA516 Grade 70
|
Properties |
Value |
|
Tensile Strength (N/mm2) |
510/ 650 |
|
Yield stress/ min (N/mm2) |
335 |
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