Gb T 20218 2006 Translated English Of Chinese Standard Gbt 20218 2006 Gb T20218 2006 Gbt20218 2006

This Standard specifies the requirements, test methods, inspection rules, marks, packaging, transport and storage for biaxially oriented polyamide (nylon) film. This Standard is application to a polyamide (nylon) film obtained by biaxially stretching a polyamide 6 resin as a main raw material in a flat film method.

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 tungsten powder requirements, test methods, inspection rules, marking, packaging, transportation, storage, and contract contents. This Standard is applicable to tungsten powder that is made by hydrogen reducing tungsten oxide.

This Standard specifies the dimensions, shapes, weights and permissible tolerances of cold-rolled steel sheets and strips. This Standard is applicable to cold-rolled wide strip of which the width is not less than 600 mm, its shear sheets and slit wide strip. The single cold-rolled sheets can also reference to this Standard for implementation.

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

This Standard is applicable to the determination and evaluation of coating performance of color-coated steel plates and strips.

This Standard specifies the terms and definitions, conditions of use, technical requirements, test methods, inspection rules and marking, packaging, and storage of damp heat test chambers. This Standard is applicable to test chambers that conduct damp heat tests on electrical, electronic and other products, parts and materials.