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2507
Standard GB /T 20878-2007 Stainless and heat-resisting steels - Designation and chemical composition
Standard ASTM A 959-2004 Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Standard GB /T 21833-2008 Austenitic-Ferritic (duplex) grade stainless steel seamless tubes and pipes


Chemical Composition(%)


Standard Material Designation Chemical Composition (%)
GB /T 20878-2007
Stainless and heat-resisting steels - Designation and chemical composition
022Cr25Ni7Mo4N
(S25073)
(2507)
(00Cr25Ni7Mo4N)
 
Min
Max
ASTM A 959-2004
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

(S32750)
(2507)
 
Min
Max
GB /T 21833-2008
Austenitic-Ferritic (duplex) grade stainless steel seamless tubes and pipes
022Cr25Ni7Mo4N
(S25073)
(00Cr25Ni7Mo4N)
(2507)
 
Min
Max
For Reference Only