Standards

Current Category: CN-YB - Black metallurgy

Status: Active
All Active Pending Replaced Abolished Abolished (Transferred)
Publish Year: 2022
All 2026 2025 2024 2023 2022 2021& Before
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 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 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 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 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 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 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 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