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The demand for reliable materials in cryogenic service applications has increased significantly with the rapid growth of LNG terminals, industrial gas storage facilities, and low-temperature pressure vessels.2026-06-24
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In industries where equipment must operate reliably under freezing or cryogenic conditions, material selection becomes a matter of safety and structural integrity.2026-06-01
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While both ASTM A203 Grade B and ASTM A106 Grade B serve critical roles in industrial applications, they are fundamentally different in composition, purpose, and performance.2026-06-01
ASTM A302/A302M A302GrB steel, ASTM A302/A302M A302GrB steel Chemical Composition
ASTM A302/A302M A302GrB steel shall be normally supplied in the as-rolled condition. ASTM A302/A302M A302GrB steel plates may be ordered normalized or stress relieved, or both. If ASTM A302/A302M A302GrB steel above 50mm in thickness shall be normalized.
ASTM A302/A302M A302GrB steel
ASTM A302/A302M A302GrB steel Chemical Composition:
|
Carbon, max |
% |
Manganese, max |
% |
Silicon, max |
% |
Sulfur max |
% |
|
25mm or under |
0.2 |
Heat Analysis |
1.15-1.50 |
Heat Analysis |
0.15-0.40 |
All thick |
0.035 |
|
25-50mm |
0.23 |
Product Analysis |
1.07-1.62 |
Product Analysis |
0.13-0.45 |
||
|
over 50mm |
0.25 |
|
|
|
|
||
|
|
|
Molybdenum max |
% |
Nickel max |
% |
Phosphorus |
% |
|
|
|
Heat Analysis |
0.45-0.60 |
Heat Analysis |
… |
All thick |
0.035 |
|
|
|
Product Analysis |
0.41-0.64 |
Product Analysis |
… |
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Tags: A302GrA steel, A299GrB steel, A299GrA steel