Henan Join-Win Im/Ex Corp.

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a387 grade 91 steel
Specification: A387 Grade 91
Detail: ASTM A387 Grade 91 is in the standard ASTM A-387/A-387M . A387 Grade 91 is a kind of Cr-Mo-alloy steel plates material used to fabric high temperature pressure vessels. SA387 have ten grades or levels. They are : grade 2 , gra...


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