Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HB/Z 229-1993 Main Parameters and Technical Requirements for Vibration Stress Relief 345.0 via email in 1~5 business day valid
QJ 500A-1998 Technical Specifications for Carbon Steel or Alloy Structural Steel Forgings 240.0 via email in 1~3 business day valid
HB 5012-1986 Aluminium Alloy Die Castings 705.0 via email in 1~8 business day valid
QJ 2693.2-1994 Test Method for Outgassing Rate of Spacecraft Material - 45~1000 ℃ Gas Output and Outgassing Rate 60.0 via email in 1~3 business day valid
QJ 1386A-1995 Metal Material Reinspection Rules 4125.0 via email in 1~10 business day valid
HB 7264-1996 Magnesium Rare Earth Master Alloy Ingot 90.0 via email in 1~3 business day valid
QJ A 1700-2004 QJ A 1700-2004 Specification for Aluminium-alloy Investment Castings 90.0 via email in 1~3 business day valid
QJ 1309A-2008 Classification of Disperse Porosity for ZL104 Alloy Castings 120.0 via email in 1~3 business day valid
HB 5496-1992 75.0 via email in 1~3 business day valid
QJ 2136.4-1991 180.0 via email in 1~3 business day valid
HB 7266.2-1996 Aluminum-lithium Alloy Chemical Composition Analysis Method - Determination for Lithium Content Through Atomic Absorption Spectrometry Method 60.0 via email in 1~3 business day valid
HB 5462-1990 Heat Treatment of Magnesium Alloy Casting 150.0 via email in 1~3 business day valid
HB 7266.1-1996 Aluminum-lithium Alloy Chemical Composition Analysis Method - Determination for Content of Copper, Iron, Lithium, Magnesium, Siliconm, Zirconium Through Inductively Coupled Plasma Atomic Emission Spectromety 75.0 via email in 1~3 business day valid
HB 6578-1992 Reference Radiographic Film for Aluminum Magnesium Alloy Castings Examination (Negative Film Unavailable) 90.0 via email in 1~3 business day valid
HB 7266.7-1996 Aluminum-lithium Alloy Chemical Composition Analysis Method - Determination of Silicon Content Through Silicon Molybdenum Blue Spectrophotometric Method 60.0 via email in 1~3 business day valid
QJ 168-1985 Technical Specification for Magnesium Alloy Castings 180.0 via email in 1~3 business day valid
QJ 1402-1988 Test Method for Thermal Conductivity of Metal At Low Temperature 120.0 via email in 1~3 business day valid
QJ 169-1989 255.0 via email in 1~3 business day valid
HB 6734-1993 Test Method for Young Modulus for Stretching Precious Metal Thread 90.0 via email in 1~3 business day valid
QJ 1844-1990 120.0 via email in 1~3 business day valid
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