GB/T 8162-1999 Seamless steel tubes for structural purposes

GB 8162-1987

GB/T 8162-2008 Seamless steel tubes for structural purposes

GB/T 222-1984 Method of sampling steel for determination of chemical composition and permissible variations for product analysis 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 223.8-1991 GB/T 223.11-1991 Methods for chemical analysis of iron, steel and alloy The ammonium persulfate oxidation volumetric method for the determination of chromium 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 223.14-1989 GB/T 223.16-1991 Methods for chemical analysis of iron, steel and alloy—The chromotropic acid photometric method for the determination of titanium content GB/T 223.25-1994 Methods for chemical analysis of iron, steel and alloy The dimethylglyoxime gravimetric method for the determination of nickel content GB/T 223.26-1989 Methods for chemical analysis of iron, steel and alloy The thiocyanate direct photometric method for the determination of molybdenum 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 223.60-1997 Methods for chemical analysis of iron,steel and alloy—The perchloric acid dehydration gravimetric method for the determination of silicon 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 223.64-1988 Methods for chemical analysis of iron,steel and alloy—The flame atomic absorption spectrometric method forthe determination of manganese content GB/T 223.69-1997 Methods for chemical analysis of iron,steel and alloy The gas- volumetric method after combustion in the pipe furnace for the determination of carbon 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 223.75-1991 Methods for chemical analysis of iron, steel and alloy—The methanol distillation-curcumin photometric method for the determination of boron content GB/T 228-1987 GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 231-1984 GB/T 242-1997 Metallic materials—Tube—Drift expanding test GB/T 244-1997 Metallic materials—Tube—Bend test GB/T 246-1997 Metallic materials—Tube—Flattening test GB/T 699-1999 Quality carbon structural steels GB/T 1591-1994 High strength low alloy structural steels GB/T 2102-1988 Acceptance, packing, marking, and certification of pipe GB/T 3077-1999 Alloy structure steels GB/T 5777-1996 Seamless steel pipe and tubing—Methods for ultrasonic testing GB/T 17395-1998 Dimensions、shapes、masses and tolerances of seamless steel tubes YB/T 5221-1993 YB/T 5222-1993

JIS G 3444:1994