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Carbon steel tube
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Product Name Square/Rectangular Pipe Material Q195 similar to a283 GR.B, 040a10, ss330 Q235 similar to a283 GR.D, 080a15,CS type B Q345 similar to a737 GR.B, SS400, S235JR Material Chemical Composition C Mn Si S P 0.06-0.12 0.25-0.50 =0.30
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