Стандарты CNIS

CNIS GB/T 223.56-87 Methods for chemical analysis of iron,steel and alloy--The sulfhydryl cotton fi... CNIS GB/T 223.53-87 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorpt... CNIS GB/T 7734-87 Method for ultrasonic testing of clad steel plates CNIS GB/T 223.59-87 Methods for chemical analysis of iron,steel and alloy--The reduced molybdoantim... CNIS GB/T 223.58-87 Methods for chemical analysis of iron,steel and alloy--The sodium arsenite-sodi... CNIS GB/T 223.55-87 Methods for chemical analysis of iron,steel and alloy--The direct oscillopolaro... CNIS GB/T 223.54-87 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorpt... CNIS GB/T 7659-87 Carbon steel castings suitable for welded structure CNIS GB/T 7233-87 Methods for ultrasonic testing and for specifying quality levels of steel casti... CNIS GB/T 6967-86 Medium and high strength stainless steel castings for engineering structure pur... CNIS GB/T 6807-86 Specification for phosphate treatment of iron and steel parts before painting CNIS GB/T 6723-86 Cold forming sectional steel--Open sectional steel for general structure--Damna... CNIS GB/T 6728-86 Cold forming sectional steel--Hollow sectional steel for general structure--Dim... CNIS GB/T 6727-86 Cold forming sectional steel for passenger vehicle--Dimension, form, weight and... CNIS GB/T 6726-86 Cold forming sectional steel for cargo vehicle--Dimension, form, weight and per... CNIS GB 713-86 Carbon and low alloy steel plates for boilers carbon and alloy steel plates for... CNIS GB/T 6478-86 Cold heading steel--Technical requirements CNIS GB 6479-86 High-pressure seamless steel tubes for chemical fertilizer equipments CNIS GB/T 6416-86 Technical factors influencing the quality of the fusion welded joints in steel CNIS GB/T 5973-86 Cunneiform connector for use with steel with ropes CNIS GB/T 5974.1-86 General purpose thimbles for use with steel wire ropes CNIS GB/T 5974.2-86 Heavy thimbles for use with steel with ropes CNIS GB/T 5975-86 Clamping plates for fixing steel wire ropes CNIS GB/T 5952-86 Carbon tool steel wires