Gb T 1230 2006 Translated English Of Chinese Standard Gbt 1230 2006 Gb T1230 2006 Gbt1230 2006

This national standard specifies the style and size, technical condition and tagging of the high strength plain whose dimensions are 12mm~30mm. This national standard is applicable to the contact sets of friction-type high strength bolt hexagon nut and plain washer for steel structures which should be used together with GB/T 1228-2006 High Strength Bolts with Large Hexagon Head for Steel Structures.

This Standard specifies the method principle, apparatus, sampling and sample preparation, test procedures, results calculation and precision etc. of the coke with particle size greater than 60mm and 25mm. This Standard is applicable to the determination of mechanical strength of coke with particle size no less than 25mm. The coke with particle size less than 25mm can also refer to this Standard.

This national standard specifies the style and size, technical condition and tagging of the high strength large hexagon nuts whose screw dimension is M12~M30. This national standard is applicable to the contact sets of friction-type high strength bolt hexagon nut and plain washer for steel structures which are used together with GB/T 1228-2006 High Strength Bolts with Large Hexagon Head for Steel Structures.

This Standard specifies the types and dimensions, specifications, test method, inspection rules, and marking, packaging, transportation and storage of cuneiform connector for use with steel wire ropes.

This standard specifies the terms and definitions, classification and code, dimension, shape, weight, technical requirements, inspection and test as well as package, marking and quality certificate of prepainted steel sheet. This standard is applicable to prepainted steel sheets for building interior and exterior applications, prepainted steel sheet for home appliances and other uses may refer to it in application.

This standard specifies the general technical requirements for the acceptance, packing, marking and quality certification of steel pipe.

This Standard specifies both the fundamental and common technical requirements of metal-cutting machine tool (including modular machine tool and machine tool accessories).

This Standard specifies the dimension, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate for welded steel tubes for mine liquid service.