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S30220
Standard GB /T 20878-2007
Standard Material Designation Chemical Composition (%)
GB /T 20878-2007 17Cr18Ni9
(S30220)
(2Cr18Ni9)
C Si Mn P S Ni Cr
Min 0.13 - - - - 8 17
Max 0.21 1 2 0.035 0.025 10.5 19
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