GB/T 5213-2001 Cold rolled sheets and strips for deep drawing

GB 5213-1985

GB/T 5213-2008 Cold rolled low carbon steel sheet and strip

GB/T 222-1984 Method of sampling steel for determination of chemical composition and permissible variations for product analysis GB/T 223.3-1988 Methods for chemical analysis of iron, steel and alloy—The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content GB/T 223.5-1997 Methods for chemical analysis of iron,steel and alloy—The reduced molybdosilicate spectro photometric method for the determination of acid-soluble silicon content GB/T 223.10-2000 Methods for chemical analysis of iron,steel and alloy The cupferron separation-chrome azurol S photometric method for the determination of aluminium content GB/T 223.12-1991 Methods for chemical analysis of iron, steel and alloy—The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content GB/T 223.53-1987 Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content GB/T 223.54-1987 Methods for chemical analysis of iron,steel and alloy—The flame atomic absorption spectrophotometric method for the determination of nickel content GB/T 223.62-1988 Methods for chemical analysis of iron,steel and alloy—The butyl acetate extraction photometric method for the determination of phosphorus content GB/T 223.63-1988 Methods for chemical analysis of iron,steel and alloy—The sodium(potassium)periodate photometric method for the determination of manganese content GB/T 223.67-1989 Methods for chemical analysis of iron, steel and alloy—The reducing distillation-methylene blue photometric method for the determination of sulfur content GB/T 223.72-1991 Methods for chemical analysis of iron, steel and alloy—The alumina chromatographic separation-barium sulfate gravimetric method for the determination of sulphur content GB/T 223.74-1997 Methods for chemical analysis of iron,steel and alloy—The combustion gravimetric/gas-volumetric method for the determination of combined carbon content GB/T 228-1987 GB/T 232-1999 Metallic materials—Bend test GB/T 247-1997 General rule of acceptance, package, mark and certification for steel plates(sheets) and strips GB/T 708-1988 Dimensions shape weight and tolerances for cold-rolled plates and sheets GB/T 2975-1998 Steel and steel products—Location and preparation of test pieces for mechanical testing GB/T 4156-1984 Metals—Cupping testing method (thickness 0.2~2mm) GB/T 4335-1984 Cold rolled low-carbon steel sheet—Ferrite grain size—Test methods GB/T 4336-1984 GB/T 5027-1999 Metallic materials—Sheet and strip—Determination of plastic strain ratio(r-values) GB/T 5028-1999 Metallic materials—Sheet and strip—Determination of tensile strain hardening exponent(n-values) GB/T 6397-1999 GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8705.1-1988 Methods for chemical analysis of ferrophosphorus The infrared absorption method for the determination of carbon content GB/T 13298-1991 Metal—Inspection method of microstructure GB/T 13299-1991 Steel—Determination of microstructure GB/T 17505-1998 Steel and steel products General technical delivery requirements

DIN EN10130:1991