ERW steel pipes:
The Company invested 120 million yuanto introduce domestic advanced high frequency welding square and rectangle pipes production line
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Size
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250*300—600*600mm
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Wall thickness
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7---20mm
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Material quality
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: Q235,Q345.20#.L245
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The standards
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GB/T6725-2002, GB/T6728-2002 .
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Annual production
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300000tons
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Application
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construction steel structure, large stadium, lifting equipment, shipbuilding.ect
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