Стандарты CNIS

CNIS GB/T 1221-92 Heat-resisting steel bars CNIS GB/T 227-91 Tool steel--Method of hardenability test CNIS GB/T 13314-91 General specifications of forged steel working rolls for cold rolling CNIS GB/T 4162-91 Forged and rolled steel bars--Method for ultrasonic examination CNIS GB/T 4697-91 Hot-rolled U-type steel for mine timbering CNIS GB/T 6402-91 Steel forgings--Method for ultrasonic examination CNIS GB/T 325-91 Packing container steel drum CNIS GB/T 13252-91 Packing containers--Steel pails CNIS GB/T 13238-91 Cupper-steel clad plates CNIS GB/T 2970-91 Thicker steel plate--Method for ultrasonic inspection CNIS GB 13236-91 Dip-tapes and steel strapping tapes for Petroleum-Specification CNIS GB/T 710-91 Hot-rolled quality carbon structural steel sheets and strips CNIS GB/T 13237-91 Cold-rolled quality carbon structural steel shects and strips CNIS GB/T 223.73-91 Methods for chemical analysis of iron,steel and alloy--The titanium trichloride... CNIS GB/T 223.74-91 Methods for chemical analysis of iron,steel and alloy--The combustion gravimetr... CNIS GB/T 223.12-91 Methods for chemical analysis of iron,steel and alloy--The sodium carbonate sep... CNIS GB/T 223.11-91 Methods for chemical analysis of iron,steel and alloy--The ammonium persulfate ... CNIS GB/T 223.16-91 Methods for chemical analysis of iron,steel and alloy--The chromotropic acid ph... CNIS GB/T 223.71-91 Methods for chemical analysis of iron,steel and alloy--The combustion gravimetr... CNIS GB/T 223.10-91 Methods for chemical analysis of iron,steel and alloy--The cupferron separation... CNIS GB/T 223.72-91 Methods for chemical analysis of iron,steel and alloy--The alumina chromatograp... CNIS GB/T 223.8-91 Methods for chemical analysis of iron,steel and alloy--The sodium fluoride sepa... CNIS GB/T 223.75-91 Methods for chemical analysis of iron,steel and alloy--The methanol distillatio... CNIS GB/T 13148-91 Specification for welding of stainless steel clad steel plate CNIS GB/T 13149-91 Specification for welding of titanium and titanium alloy clad steel plate CNIS GB/T 13147-91 The specification for welding of copper and copper alloy clad steel plate CNIS GB 13075-91 Periodic inspection and evaluation of welded steel gas cylinders CNIS GB 13013-91 Hot rolled plain steel bars for the reinforcement of concrete CNIS GB 13014-91 Remained heat treatment ribbed steel bars for the reinforcement of concrete CNIS GB 1499-91 Hot rolled ribbed steel bars for the reinforcement of concrete