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HB 7738-2004 Inspection for flux inclusions in ingots casting and parts of magnesium alloys (USD) via email in 1 business day VALID
HB 7739-2004 Failure analysis procedure and requirements for aeronautical metal material products (USD) via email in 1 business day VALID
HB 7238-1995 Circular Forging of Titanium Alloy (USD) via email in 1 business day VALID
HB 7234-1995 Standard Color Block of Argon Tungsten-arc Welding of Titanium and Titanium Alloy via email in 1 business day VALID please email coc@codeofchina.com for quotation
QJ 1386A-1995 Metal Material Reinspection Rules (USD) via email in 1 business day VALID
HB/Z 262-1994 Specifications on the Sampling of Metal Heat Treatment Salt Bath for Chemical Analysis (USD) via email in 1 business day VALID
HB 5022-1994 Determination of Metallographic Structure of Nitriding and Nitrocarburizing and Carbonitriding of Aircraft Steel (USD) via email in 1 business day VALID
HB 5023-1994 Determination of Depth of Nitriding and Nitrocarburizing and Carbonitriding of Aircraft Steel (USD) via email in 1 business day VALID
HB 7801-2006 Structural elements for casting (USD) via email in 1 business day VALID
HB 6700-1993 Stainless spring steel wire of 1 Cr18Ni9 high strength for aviation via email in 1 business day VALID please email coc@codeofchina.com for quotation
HB 7725-2002 Specification for metal mold casting of copper alloy for aviation (USD) via email in 1 business day VALID
HB 7726-2002 Specification for precision forgings of titanium alloy blades for aeroengine (USD) via email in 1 business day VALID
HB/Z 328-1998 Repair Welding Process of Magnesium Alloy Castings and Inspection (USD) via email in 1 business day VALID
QJ 500A-1998 Technical Specifications for Carbon Steel or Alloy Structural Steel Forgings (USD) via email in 1 business day VALID
HB 7623-1998 Test Method for Creeping Crack Spreading Rate of Metal Material (USD) via email in 1 business day VALID
QJ 501A-1998 Technical Specifications for Stainless Acid Resistant Steel or Heat-resistant Steel Forgings (USD) via email in 1 business day VALID
QJ 2917-1997 Metallographic Inspection Method of Titanium and Titanium Alloy (USD) via email in 1 business day VALID
HB 5018-1997 Casting Aluminum Nickel and Cobalt Permanent Magnetic Alloys (USD) via email in 1 business day VALID
HB 5402-1997 Specification for Trial Production and Design Appraisement of Forging (USD) via email in 1 business day VALID
HB 7578-1997 Specification for Trial Manufacture and Sizing of Casting (USD) via email in 1 business day VALID
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