Q 355b steel plate

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Q355b large diameter thick wall steel pipe is a kind of material. It used to be called seamless steel pipe. The carbon content of the steel is about 0.16%. Mn was extracted separately because of the high content of manganese in the five elements (C, Si, Mn, P, s).


Main characteristics of thick wall steel pipe: good comprehensive performance, low temperature performance, cold stamping performance, welding performance and machinability.


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