Yb T 4159 2007 Translated English Of Chinese Standard Ybt 4159 2007 Yb T4159 2007 Ybt4159 2007

This standard specifies the classification and code, the information required for ordering, size, shape, weight and tolerance, technical requirements, test methods, inspection rules, packaging, marking, quality certificate of hot-rolled steel checker plate and strip. This standard applies to diamond-shaped, lentil-shaped, round-bean-shaped and combined-shaped hot-rolled steel checker plate and strip.

This Standard specifies the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificate of double wall copper-brazed steel tubing. This Standard is applicable to the double wall copper-brazed steel tubing that uses copper as brazing material used to make brake tubing, fuel tubing, lubricating oil tubing, heating or coolers and other engineering pipelines in automobile, refrigeration, electric heating, electrical appliances and other industries.

This Standard specifies the classification and code, dimension, shape, technical requirements, test methods, inspection rules, package, marking and quality certificate, etc. of the heat treatment spring steel strips. This Standard is applicable to the heat treatment spring steel strips with thickness no greater than 1.50mm, width no greater than 100mm for manufacturing the spring parts.

This part of JB/T 5000 specifies general requirements of cutting and tolerance without indication; and specific requirements on key groove, hole diameter and hole distance, center hole, tolerance without indication and allowed shape of cutter, etc. This part is applicable to cutting of heavy machinery product parts. All the product drawings and technical documents, if without special requirements, shall meet the requirements of this part.

This Standard specifies the terms, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of narrowgauge trolley type mine electric locomotive. This Standard applies to the narrow-gauge trolley type mine electric locomotive used under non-explosion-proof environmental conditions.

This Standard specifies technical requirements, test methods, inspection rules, packaging, storage, marks and quality certificate of ferroniobium. This Standard is applicable to ferroniobium that is made from niobium pentoxide and niobium concentrate and is used for steelmaking or casting as an additive, for electrode as alloying agent, magnetic material.

This part of JB/T 5000 specifies the technical requirements, inspection rules, test methods, quality certificates and markings for general purpose large forgings. This part applies to the ordering, manufacturing, inspection of the large forgings of carbon steel and alloy structural steel which are free-forged by the hydraulic (oil) press and the forging hammer.

This Standard specifies the terms and definitions, marks, requirements, test methods, inspection rules and signs, packaging, transportation and storage of hardness tester. This Standard applies to the motor-driven digital display instruments used to measure the hardness of pharmaceutical tablets.