Gb T 1957 2006 Translated English Of Chinese Standard Gbt 1957 2006 Gb T1957 2006 Gbt1957 2006

This Standard specifies the terms and definitions, tolerance, requirements, inspection, marks and package of plain limit gauges.

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 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 classification, structure, requirements, test methods and sings, labels, packaging, storage, and transportation of classical V-belts for general drive. This Standard applies to classical V-belts with cord structure for general mechanical transmission devices.

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 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 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.