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A515 Grade 70 Carbon Steels,Grade 70 Carbon Steel
ASTM A515 Grade 70 is a kind of steel plates material used to fabric middle or high temperature pressure vessels. ASTM A515 has three levels : A515 GR 60 (415), A515 GR 65 (450), A515 GR 70 (485) .The alloy involved for the specification is basically similar to AISI 1330 steel.A515 specification covers carbon-silicon steel plates primarily for intermediate and higher temperature service in welded boilers and other pressure vessels projects.A515Gr70 owned tensile strength within 485-620 Mpa,and the minimum yield strength shall be above 260 Mpa.The steel grade A515 Grade 70 contains a higher carbon contains comparing with A515 Grade 60 and A515 Grade 65.
A515 Grade 70 Chemical requirements
|
Carbon, max |
% |
Manganese, max |
% |
Silicon, max |
% |
|
|
25mm or under |
0.31 |
Heat Analysis Product Analysis |
1.20 |
Heat Analysis Product Analysis |
0.15-0.40 0.13-0.45 |
|
|
Phosphorus max |
% |
Sulfur max |
% |
|
|
|
|
All thickness |
0.035 |
All thickness |
0.035 |
|
|
|
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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