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S31020
Standard GB /T 20878-2007
Standard GB /T 1221-2007
Standard Material Designation Chemical Composition (%)
GB /T 20878-2007 20Cr25Ni20
(S31020)
(2Cr25Ni20)
C Si Mn P S Ni Cr
Min - - - - - 19 24
Max 0.25 1.5 2 0.04 0.03 22 26
GB /T 1221-2007 20Cr25Ni20
(S31020)
(2Cr25Ni20)
C Si Mn P S Ni Cr
Min - - - - - 19 24
Max 0.25 1.5 2 0.04 0.03 22 26
For Reference Only