Standards

YB/T 4973-2022 Active

YB/T 4973-2022 Forklift beam made of hot-rolled steel profiles

This document specifies the terms and definitions, brand and model designation methods, order content, dimensions, appearance, weight, technical requirements, test methods, inspection rules, numerical rounding, packaging, marking, and quality certificates for hot-rolled steel used in forklift crossbeams. This document is applicable to hot-rolled steel used in forklift crossbeams.

Publish Date: 2022-09-30

YB/T 4974-2022 Active

YB/T 4974-2022 Hot-rolled rail sleeper

This document specifies the terms and definitions of hot-rolled steel rail sleepers, the content of orders, models and methods of representation, section dimensions, weight and allowable deviations, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document is applicable to steel sections used for hot-rolled steel rail sleepers.

Publish Date: 2022-09-30

YB/T 4984-2022 Active

YB/T 4984-2022 Carburizing Gear Steel for Automotive Use

This document specifies the ordering content, classification, dimensions, shape, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for carburized gear steel. This document is applicable to hot-rolled or hot-forged steel bars with a nominal diameter of no more than 180 mm.

Publish Date: 2022-09-30

YB/T 4985-2022 Active

YB/T 4985-2022 YB/T 4985-2022 automotive easy-to-cut non-quenched and tempered steel bar for automobile

This document specifies the classification, order content, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates of easy-cutting non-quenched steel for automobiles. This document is applicable to hot-rolled and bright-annealed steel bars with a nominal diameter of not more than 180 mm.

Publish Date: 2022-09-30

YB/T 4987-2022 Active

YB/T 4987-2022 Crawler connector used hot-rolled round steel

This document specifies the ordering details, dimensions, shapes, weights, technical requirements, test methods, inspection rules, and packaging, marking, and quality certificates for hot-rolled round steel used in track linkages. This document applies to hot-rolled round steel with a nominal diameter of no more than 120 mm used in track linkages.

Publish Date: 2022-09-30

YB/T 6081-2022 Active

YB/T 6081-2022 Sanitary stainless steel clean tube

This document specifies the classification and designations of sanitary-grade stainless steel clean pipes, the order content, dimensions, shapes, weights, and allowable deviations, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document is applicable to sanitary-grade stainless steel cold-rolled (drawn) seamless steel pipes used in fields such as pharmaceutical facilities and communication systems.

Publish Date: 2022-09-30

YB/T 4972-2022 Active

YB/T 4972-2022 Heated-rolled H-beams are used for the steel structure of boilers

This document specifies the terms and definitions, order content, code, dimensions, shape, weight, and allowable deviations, technical requirements, test methods, inspection rules, numerical rounding, packaging, marking, and quality certificates for hot-rolled H-section steel used in boiler steel structures. This document is applicable to hot-rolled H-section steel used in boiler steel structures.

Publish Date: 2022-09-30

YB/T 075-2022 Active

YB/T 075-2022 Carbon fiber and its products carbon, hydrogen element analysis methods

This document specifies the reagents and materials, instruments and equipment, test conditions, test devices, test procedures, calculation results, and test reports for the analysis of carbon and hydrogen elements in carbon fiber and its products. This document is applicable to the analysis of carbon and hydrogen elements in products such as carbon fiber, graphite fiber, and carbon cloth (tape) and carbon felt.

Publish Date: 2022-09-30

YB/T 5189-2022 Active

YB/T 5189-2022 The determination of volatile matter in carbon materials

This document specifies the instrumentation and equipment, test procedures, test results, and precision for the determination of volatile matter in carbon materials. This document is applicable to the determination of volatile matter in carbon materials such as calcined coke, calcined coal, needle coke, graphite products, roasted products, and carbon paste, etc.

Publish Date: 2022-09-30

YB/T 5288-2022 Active

YB/T 5288-2022 The method for testing the corrosion resistance of carbon materials

This document specifies the reagents, instruments and equipment for corrosion resistance testing of carbon materials, sample preparation, test preparation, test steps, result calculation, test errors, and test reports. This document is applicable to the determination of the corrosion resistance of carbon materials used as anodes in the electrolytic refining of metals and non-metals.

Publish Date: 2022-09-30

YB/T 4983-2022 Active

YB/T 4983-2022 Phosphorus iron determination of phosphorus, silicon, manganese, and titanium content by inductively coupled plasma atomic emission spectroscopy

This document specifies the determination of the content of phosphorus, silicon, manganese, and titanium using inductively coupled plasma atomic emission spectrometry. This document is applicable to the determination of the content of phosphorus, silicon, manganese, and titanium in phosphorus iron.

Publish Date: 2022-09-30

YB/T 4986-2022 Active

YB/T 4986-2022 Wind power equipment bolt steel

This document specifies the dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates of bolt steel for wind power equipment. This document is applicable to the manufacture of hot-rolled or quenched and tempered steel bars with a diameter of 20 mm to 80 mm used in bolts for wind power equipment.

Publish Date: 2022-09-30