发布时间：2014-08-19 14:20:52

ASTM A387 Grade 11 is in the standard ASTM A-387/A-387M . SA387 Grade 11 is a kind of Cr-Mo-alloy steel plates material used to fabric high temperature pressure vessels. A387 have ten grades or levels. They are : grade 2, grade 12, grade 11, grade 22, grade 22L, grade 21, grade 21L, grade 5 , grade.........【阅读全文】

发布时间：2014-08-16 15:23:33

ASTM A387 Grade 9 is in the standard ASME SA-387/SA-387M . A387 Grade 9 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, grade 12, grade 11, grade 22, grade 22L, grade 21, grade 21L, grade 5 , grade.........【阅读全文】

发布时间：2014-08-15 16:37:34

ASTM A387 Grade 5 is in the standard ASTM A-387/A-387M . A387 Grade 5 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, grade 12, grade 11, grade 22, grade 22L, grade 21, grade 21L, grade 5 , grade 9.........【阅读全文】

发布时间：2014-08-15 16:29:40

ASTM A387 Grade 2 is in the standard ASTM A387/A387M . A387 Grade 2 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, grade 12, grade 11, grade 22, grade 22L, grade 21, grade 21L, grade 5 , grade 9 ,.........【阅读全文】

发布时间：2014-08-15 16:20:45

A285 Grade C Specification: A285 Grade C is a kind of common carbon steel, the tensile 0f A285 Grade C is low or mid-low. There are three grades or levels material A285 Grade A, 285 Grade B, A285 Grade C in the standard ASTM A285/A285M. Plates ordered to this specification A285 Grade C are no.........【阅读全文】