Standards

GB/T 2520-2008 Replaced

GB/T 2520-2008 Cold-reduced electrolytic tinplate

This standard specifies the classification and designations, dimensions, shapes, weights, technical requirements, inspections and tests, packaging, markings, and quality certificates of cold-rolled electrolytic tin-plated steel sheets and strips. This standard applies to primary cold-rolled electrolytic tin-plated steel sheets and strips with a nominal thickness of 0.15mm to 0.60mm, as well as secondary cold-rolled electrolytic tin-plated steel sheets and strips with a nominal thickness of 0.12mm to 0.36mm (hereinafter referred to as steel sheets and strips).

Publish Date: 2008-09-11

GB/T 3086-2008 Replaced

GB/T 3086-2008 High carbon chromium stainless bearing steels

This standard specifies the dimensions, shape, weight, and allowable deviations of high-carbon chromium stainless bearing steel, as well as its technical requirements, testing methods, inspection rules, packaging, marking, and quality certificates. This standard applies to hot-rolled, forged, cold-drawn, peeled, and polished round steel with a nominal diameter of 5 mm to 160 mm, wire rod with a nominal diameter of 5 mm to 40 mm, and steel wire with a nominal diameter of 1 mm to 16 mm.

Publish Date: 2008-09-11

GB/T 6983-2008 Replaced

GB/T 6983-2008 Soft magnetic iron

This standard specifies the product classification, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging marks, and quality certificates of electromagnetic pure iron. This standard applies to hot-rolled round bars, forged round bars, cold-drawn round bars, hot-rolled wire rods, hot-rolled plates (strips), and cold-rolled thin plates (strips) made from electromagnetic pure iron, as well as to finished electromagnetic pure iron continuous casting square billets, continuous casting rectangular billets, continuous casting plates, and initial casting billets for end use.

Publish Date: 2008-09-11

GB/T 7736-2008 Replaced

GB/T 7736-2008 Ultrasonic inspecting method for macro-structure and imperfection of steel

This standard specifies the terms and definitions, methodological principles, inspection methods, requirements and preparation of comparison test pieces, inspection equipment and its debugging, inspection conditions and procedures, result evaluation, inspection reports, etc. for ultrasonic inspection of low-magnification defects in steel. This standard is applicable to ultrasonic inspection of low-magnification defects in rolled and forged steel (billets) with simple cross-sections such as square, rectangular, and circular, and is also applicable to the inspection of defects in other steel preparation parts and billets.

Publish Date: 2008-09-11

GB/T 8731-2008 Replaced

GB/T 8731-2008 Free-cutting structural steel

This standard specifies the scope, terms and definitions, order content, dimensions, shapes, weights, and allowable deviations of easy-to-cut structural steel, as well as technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This standard applies to steel products such as bar steel, coil steel, steel wire, steel plate, and steel strip used in mechanical cutting and processing. Its chemical composition is also applicable to ingots, billets, and their products.

Publish Date: 2008-09-11

GB/T 14271-2008 Replaced

GB/T 14271-2008 Test method for the determination of scoured yield raw wool—Oil pressure method

This standard specifies the test method for determining the net wool content of plush fabrics using the oil pressure method. This standard is applicable to greasy wool and goat down.

Publish Date: 2008-08-20

GB/T 16254-2008 Replaced

GB/T 16254-2008 Mohair

This standard specifies the terms and definitions, classification, requirements, instruments and tools, inspection methods, inspection rules, packaging, marking, storage, and transportation requirements for horsehair lamb wool and adult horsehair wool. This standard applies to the production, trade, processing, use, and quality appraisal of horsehair lamb wool and adult horsehair wool.

Publish Date: 2008-08-20

GB/T 22309-2008 Replaced

GB/T 22309-2008 Road vehicles—Brake linings—Shear test procedure for disc brake pad and drum brake shoe assemblies

This standard specifies the terms, sample preparation, test equipment and fixtures, test procedures, result calculation, and report content for the shear strength test of automotive brake pads (shoes) assemblies. This standard applies to the determination of the shear strength of automotive disc brake pads assemblies and drum brake shoes assemblies that are either integrally molded or bonded. This standard also applies to the determination of the shear strength of automotive brake pads (shoes) assemblies that are riveted together.

Publish Date: 2008-08-20

GB/T 22310-2008 Replaced

GB/T 22310-2008 Road vehicles—Brake linings—Effects of heat on dimensions and form of disc brake pads-test procedure

This standard specifies a comprehensive method for measuring disc brake pads to determine the relationship between dimensional changes and temperature, as well as their thermal conductivity. Dimensions include: - Thickness; - Certain contour dimensions of brake pads that may lead to brake failure. This standard applies to disc brake pads for road vehicles, the dimensions of which should not exceed: width 120 mm, height 80 mm, and thickness 20 mm. They should be either fully molded or bonded pads with a solid backing plate.

Publish Date: 2008-08-20

GB/T 22311-2008 Replaced

GB/T 22311-2008 Road vehicles—Brake linings—Compressive strain test method

This standard specifies the test method for the compression strain of brake pads in disc brake assemblies, drum brake shoe assemblies, and backless friction materials for road vehicles.

Publish Date: 2008-08-20

GB/T 3518-2008 Replaced

GB/T 3518-2008 Flake graphite

This standard specifies the definition, classification, and marking of flake graphite, as well as its requirements, test methods, inspection rules, packaging, labeling, transportation, and storage. This standard applies to flake graphite that is naturally produced and enriched through mining and processing.

Publish Date: 2008-08-20

GB/T 3519-2008 Replaced

GB/T 3519-2008 Amorphous graphite

1.1 This standard specifies the definition, classification, and marking of microcrystalline graphite, as well as its requirements, test methods, inspection rules, packaging, labeling, transportation, and storage, etc. 1.2 This standard applies to natural microcrystalline graphite.

Publish Date: 2008-08-20