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Home Material GB /T 20878-2024
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Grade 22Cr21Ni12N
China ISC S30850
Old Grade
Corresponding Standard GB /T 20878-2024
Stainless steels - Designation and chemcial composition
Classification Austenitic Stainless Steel
Properties Corrosion Resistance
22Cr21Ni12N Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu N
Minimum Value 0.15 0.75 1 - - 20.5 10.5 - 0.15
Maximum Value 0.25 1.25 1.6 0.035 0.03 22.5 12.5 0.3 0.3
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States United Kingdom
GB ISC CNS JIS KS UNS BS EN/BS
22Cr21Ni12N
(2Cr21Ni12N) 		S30850 SUH 37 SUH 37 STR 37 S63017 381S34
2 Approximate Comparison Table
China Japan International Organization for Standardization European Standard
GB JIS ISO Numerical Grade Numerical Grade
S30850 SUH37 X20CrNiN22-11 4824-308-09-J 1.4824
22Cr21Ni12N Corresponding Standards(Same grade name, different standards)
1 GB /T 20878-2007
22Cr21Ni12N S30850 (2Cr21Ni12N)
2 GB /T 1221-2007
22Cr21Ni12N S30850 (2Cr21Ni12N)
3 GB /T 20878-2024
22Cr21Ni12N S30850 (2Cr21Ni12N)

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