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B7
Standard ASTM A193/A193M-2001 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Servise
Standard ASTM A485-2014 Standard Specification for High Hardenability Antifriction Bearing Steel
Standard ASTM A485-2017 High Hardenability Antifriction Bearing Steel
Standard BS 3100-1991 Specification for Steel castings for general engineering purposes
Standard Q/ASB 234-2018


Chemical Composition(%)


Standard Material Designation Chemical Composition (%)
ASTM A193/A193M-2001
Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Servise
B7
(CrMo)
 
Min
Max
ASTM A485-2014
Standard Specification for High Hardenability Antifriction Bearing Steel
A485 100CrMo 7-4
(B7)
 
Min
Max
ASTM A485-2017
High Hardenability Antifriction Bearing Steel
100CrMo 7-4
(B7)
 
Min
Max
BS 3100-1991
Specification for Steel castings for general engineering purposes
B7
 
Min
Max
Q/ASB 234-2018 B7
 
Min
Max
For Reference Only