双面埋弧焊钢管
材质
Q235B
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¢219×6.0-7.0
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¢273×6.0-8.0
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¢325×6.0-9.30
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¢377×6.0-12
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¢426×6.0-12
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¢478×6.0-12
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¢529×6.0-12
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¢630×6.0-12
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¢720×6.0-12
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¢820×6.0-12
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¢920×8.0-12
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¢1020×8.0-12
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¢1220×8.0-12
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¢1420×8.0-14
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¢1620×10-18
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¢1820-2420×10-20
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