The difference between 45# seamless steel pipe and 20# seamless steel pipe
45# seamless steel pipe and 20# seamless steel pipe have different main carbon contents. 45# carbon steel content is 42-48, and 20# steel pipe is 18-22.
Followed by 45 # seamless steel pipe and 20 # seamless steel pipe tensile strength and hardness are different.
There are different degree of extension trading steel pipe, seamless steel pipe, stainless steel pipe, alloy steel pipe, welded pipe, round steel, sheet and other building materials to 51 steel pipe network, we provide you with a quality supply information platform for buyers and sellers to check the transaction platform.
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