Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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QJ 911-1985 Stainless Acid-Resistant Steel Castings - Specifications 270.0 via email in 1~3 business day valid
HB 7683-2000 Powder Metallurgy Stainless Steel Filter Material Used for Aviation 75.0 via email in 1~3 business day valid
HB 5023-1994 Determination of Depth of Nitriding and Nitrocarburizing and Carbonitriding of Aircraft Steel 40.0 via email in 1~2 business day valid
HB 5022-1994 Determination of Metallographic Structure of Nitriding and Nitrocarburizing and Carbonitriding of Aircraft Steel 40.0 via email in 1~2 business day valid
QJ 501A-1998 Technical Specifications for Stainless Acid Resistant Steel or Heat-resistant Steel Forgings 240.0 via email in 1~3 business day valid
HB/Z 79-1995 Instructions for Nitrizing Process of Structural Steel and Stainless Steel for Aviation 210.0 via email in 1~3 business day valid
HB 6735-1993 Determination Method for Depth of Thin Decarburization (Including Alloy Dilution) Layer and Carburetion (Including Nitrogen Increase) Layer for Aviation Structural Steel 165.0 via email in 1~3 business day valid
HB 5063-1996 Quality Inspection for Phosphate Film of Steel and Iron Parts 105.0 via email in 1~3 business day valid
HB/Z 5079-1996 Chemical Oxidation Technology of Steel Parts 150.0 via email in 1~3 business day valid
YB 4106-2000 Carburizing bearing steel for high temperature for aircraft engine via email in business day valid
HB 7717-2002 Acid etch inspection of grinding burn of steel parts for aviation 120.0 via email in 1~3 business day valid
HB 6573-1992 Standard referential radiograph (not supplied) for fusible pattern steel casting 75.0 via email in 1~3 business day valid
QJ 910-1985 Technical Specification for Carbon Structural Steel and Low-alloy Structural Steel Castings 210.0 via email in 1~3 business day valid
HB 5466-1990 Cold-rolled Spring Steel Strips of GH 696 Alloy 60.0 via email in 1~3 business day valid
YB 4105-2000 High temperature bearing steel for aircraft engine 180.0 via email in 1~3 business day valid
QJ A 501-1998 via email in business day valid
HB 6700-1993 Stainless spring steel wire of 1 Cr18Ni9 high strength for aviation via email in business day valid
QJ 2047-1991 270.0 via email in 1~3 business day valid
HB 5001-1992 via email in business day valid
HB 5062-1996 Quality Inspection for Chemical Oxidation (Bluing) Film of Steel and Iron Parts 90.0 via email in 1~3 business day valid
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