The production and production process of welding elbow bends is described by Shijiazhuang Bangdong pipeline technology co ltd . as follows: The welding elbow is made of steel plate as the raw...
Difference between steel pipes: Bangdong 16Mn seamless steel pipe and Bangdong 45 # seamless steel pipe It is different in two materials, different yield strength, 16Mn carbon equivalence of both...
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