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发表于 2010-6-19 20:35:18
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来自： 中国辽宁大连
ASTM A105 / A105M - 10 Standard Specification for Carbon Steel Forgings for Piping Applications0 K% ^6 i7 ^- R5 ~, h5 h
管道用碳钢锻件
8 k5 ?; E5 o7 H4 Y" X0 dASTM A106 / A106M - 08 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
6 j, S! k2 g; t( y7 V+ ~ d高温用无缝碳钢管
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API 5L Gr.B为美国石油学会制订的管线钢管标准（含无缝和焊接）和钢种
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5 }1 D& L$ K- u2 R, d; {8 VASTM A106和API 5L Gr B 更接近 |
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