GB/T 18579-2001 High-carbon chromium bearing steel wires

GB/T 18579-2019 High-carbon chromium bearing steel wires

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 223.10-2000 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 223.11-1991 Methods for chemical analysis of iron, steel and alloy The ammonium persulfate oxidation volumetric method for the determination of chromium content GB/T 223.27-1994 Methods for chemical analysis of iron, steel and alloy The thiocyanate-butyl acetate extraction spectrophotometric method for the determination of molybdenum content GB/T 223.29-1984 GB/T 223.31-1994 Methods for chemical analysis of iron, steel and alloy The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content GB/T 223.47-1994 Methods for chemical analysis of iron, steel and alloy—The carrier precipitation-molybdenum blue potometric method for the determination of antimony content GB/T 223.50-1994 Methods for chemical analysis of iron, steel and alloy—The phenylfluorone-CTMAB direct photometric method for the determination of tin 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 223.59-1987 GB/T 223.68-1997 Methods for chemical analysis of iron,steel and alloy The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur 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 224-1987 Determination of depth of decarburization of steel GB/T 228-1987 GB/T 230-1997 GB/T 231-1984 GB/T 342-1997 Dimension shape mass and tolerance for cold-drawn round square and hexagonal steel wires GB/T 1814-1979 Inspection method for steel work fractures GB/T 2103-1988 General provisions for checking, packing, marking and quality certification of steel wire GB/T 3207-1988 Bright steel GB/T 4336-1984 GB/T 11261-1989 Methods for chemical analysis of high carbon chromium bearing steel The pulse heating inert gas fusion-infra red absorption method for the determination of oxygen content GB/T 15575-1995 Steel products standard designation GB/T 18254-2000 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 223.58-1987 Methods for chemical analysis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content

ASTM A295:1994