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ASTM A335 Grade P11/P91 Alloy Steel Seamless Pipe

Alloy Steel is steel that is alloyed with a variety of elements in total amounts between 1.0% และ 50% by weight to improve its mechanical properties. Alloy steels are broken down into two groups: low-alloy steels and high-alloy steels. The difference between the two is somewhat arbitrary: Smith and Hashemi define the difference at 4.0%, while Degarmo, et al.,…

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