Gb T 1229 2006 Translated English Of Chinese Standard Gbt 1229 2006 Gb T1229 2006 Gbt1229 2006

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 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 Standard specifies the permissible tolerances of chemical composition of finished unalloyed steel (excluding boiling steel), low alloy steel and alloy steel products that are relative to the threshold value of melted chemical composition; and it provides the relevant terms and definitions.

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.

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 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 grade, dimension, shape, weight, permissible deviation, technical requirements, test methods, inspection rules, packing, marking, and quality certificate of carbon structural steel. This Standard is applicable to the structural hot rolled steel sheets, steel strips, sectional steels, and bar steels that are generally used for welding, riveting and bolting engineering in delivery state.

This Standard specifies the dimensional marking, ordering contents, technical requirements, inspection and test, package, mark and quality certificate of the flat steel wire ropes for balance. This Standard is applicable to the flat steel wire ropes for balance of shaft lifting equipment