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GB GH4180

Chemical composition(mass fraction)(wt.%)

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.04  0.10
Cr 18.0  21.0
Ni   Remainder
Co   2.0
Al 1.0  1.8
Ti 1.8  2.7
B   0.008
Fe   1.5

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