ASTM A299 Grade A boiler steel plate,ASME SA299 Grade A pressure vessel steel plate are specification for carbon steel and Manganese-Silicon.As for thin plate SA299 Grade A which produced from steel coil SA299 Grade A and furnished without heat treatment or just with stress relieving only,the additional requirements,including additional testing requirements and the reporting of additional test results shall be applied for A20/A20M steel standard.
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A299 Grade A |
Main chemical composition of A299 Grade A |
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C |
P |
S |
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T<=25 |
0.28 |
0.13-0.45 |
0.84-1.52 |
0.035 |
0.035 |
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T>25 |
0.30 |
0.84-1.62 |
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Equivalent steel grade of A299 Grade A |
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U.K |
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T St E255 |
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Fe 360 2 KG |
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