China factory direcly selling black pipe,square/round /rectangular steel pipe
30-06-2022
China factory hot selling black pipe,square/round /rectangular steel pipe,
The black pipes is Low carbon material, with Q 195 material In order to ensure its toughness and plasticity, the carbon content generally does not exceed 1.7%. In addition to iron and carbon, the main elements of steel are silicon, manganese, sulfur, phosphorus, etc. These metal elements play different roles.
The pipes widely useful, : furniture, fence, building material , structurer pipes and so forth .
welcome to visit our factory and website, if you have any problem, pls don't hesitate to contact us .
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