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...
First, elbow bends talk 1. How to distinguish bend elbows The difference between elbow and elbow is, in essence, the difference between "head" and "tube", but there are great differences in the...