API5L X80 PSL2 LSAW steel pipeline is a variant of API 5L. API standards for American Petroleum Institute. For API 5L X80 PSL2 LSAW Steel Pipes, the wall thickness and other requirements are different than other API 5L variants
20CrMo round bar is the alloy structural round bar under the standard of GB/T 3077-1988.20 CrMo hot rolled round bars and forged round bars has high harden ability and no temper brittleness.
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