YB/T 146-1998 Hot rolled wire rods for prestressed steel wires and wire ropes

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 223.19-1989 Methods for chemical analysis of iron, steel and alloy The neocuproine-chloroform extraction photometric method for the determination of copper 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 223.69-1997 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 228-1987 GB/T 2101-1989 General requirements of acceptance, packaging, marking and certification for section steel GB/T 10561-1989 Steel—Determination of content of non-metallic inclusion—Micrographic method using standard diagrams GB/T 13298-1991 Metal—Inspection method of microstructure GB/T 14981-1994 Dimenisions shape weight and tolerances for hot-rolled wire rods YB/T 5148-1993

JIS G3502:1996