China National Standards

China carbonitriding,quenching GB Standards List

  •  China "carbonitriding,quenching" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 34889-2017 Carburizing or carbonitriding,quenching and tempering of steel parts
    钢件的渗碳与碳氮共渗淬火回火    		 China National Standards
    carbonitriding,quenching
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