Standards

YB/T 6128-2023 Active

YB/T 6128-2023 The threaded sleeve locking steel bar connection joint

This document specifies the terms and definitions, symbols and explanations, requirements, inspection rules, requirements for the preparation of joint samples, marking, packaging, transportation, and storage of cone sleeve locking joints for reinforcing steel. This document is applicable to cone sleeve locking reinforcing steel joints.

Publish Date: 2023-12-20

YB/T 6125-2023 Active

YB/T 6125-2023 Rare earth steel determination of lanthanum and cerium content by inductively coupled plasma mass spectrometry

This document specifies the method for determining the content of lanthanum and cerium in rare earth steel by inductively coupled plasma mass spectrometry. This document is applicable to the determination of the content of lanthanum and cerium in rare earth steel with a mass fraction of 0.00001% to 0.050%.

Publish Date: 2023-12-20

YB/T 6124.2-2023 Active

YB/T 6124.2-2023 Rare Earth Steel Part 2: High Carbon Chromium Bearing Steel

This document specifies the classification and designations of rare earth high-carbon chromium bearing steel, the content of orders, dimensions, shapes, weights, technical requirements, test methods, inspection rules, packaging, markings, and quality certificates. This document is applicable to the production of bearing rings and rolling elements made from rare earth high-carbon chromium bearing steel, including hot-rolled and forged round bars, disc strips, cold-drawn round steel (straight bars or disc-shaped), steel wires, and seamless steel pipes.

Publish Date: 2023-12-20

YB/T 6124.1-2023 Active

YB/T 6124.1-2023 Rare Earth Steel - Part 1: General Technical Requirements

This document specifies the method of designating the grades of rare earth steel, the content of orders, dimensions, shapes, weights, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document applies to rare earth steel, and the specific requirements are given in the various parts of YB/T 6124. Rare earth cast steel can be implemented in accordance with this document.

Publish Date: 2023-12-20

YB/T 6123-2023 Active

YB/T 6123-2023 High-temperature precision seamless tube

This document specifies the ordering content, dimensions, appearance, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for precision seamless tubes made of high-temperature alloys. This document is applicable to cold-rolled (drawn) precision seamless tubes made of high-temperature alloys with a nominal outer diameter of 3.0mm to 51.0mm and a wall thickness of 0.2mm to 5.0mm.

Publish Date: 2023-12-20

YB/T 6122-2023 Active

YB/T 6122-2023 Corrosion-resistant alloy large-diameter seamless tube

This document specifies the classification and designations, order content, dimensions, appearance, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates of large-diameter seamless pipes made of corrosion-resistant alloys. This document is applicable to cold-rolled (drawn) seamless pipes made of nickel-based, iron-nickel-based, pure nickel, and nickel-copper corrosion-resistant alloys with a nominal outer diameter of 219mm to 610mm.

Publish Date: 2023-12-20

YB/T 6102-2023 Active

YB/T 6102-2023 The technical requirements for the recovery of pressure gas and idling gas from the blast furnace roof are as follows

This document specifies the recovery process, technical requirements, and safety and environmental protection measures for blast furnace top equalizing gas and quenching gas. This document is applicable to the recovery of blast furnace top equalizing gas and quenching gas.

Publish Date: 2023-12-20

YB/T 6101-2023 Active

YB/T 6101-2023 Low-pressure steam drying of sludge for the steel industry's water treatment sludge technology specifications

This document specifies the terms and definitions, principles and processes, technical requirements, inspection and acceptance, operation and maintenance of low-pressure steam drying water treatment sludge in the steel industry. This document is applicable to the use of low-pressure steam drying water treatment sludge (hereinafter referred to as sludge) in the steel industry.

Publish Date: 2023-12-20

YB/T 4880.4-2023 Active

YB/T 4880.4-2023 Steel enterprise water system optimization Part 4: Cold rolling process

This document specifies the terms and definitions for the optimization of the water system in the cold rolling process of steel enterprises, the procedures for investigating the current status of the water system, the optimization procedures for the water system, and the calculation methods for the optimization indicators of the water system. This document is applicable to the optimization of the water system in the production process of the cold rolling process of steel enterprises.

Publish Date: 2023-12-20

YB/T 4880.3-2023 Active

YB/T 4880.3-2023 Steel enterprise water system optimization Part 3: Hot rolling process

This document specifies the terms and definitions for the optimization of the water system in the hot rolling process of steel enterprises, the procedures for investigating the current status of the water system, the optimization procedures for the water system, and the calculation methods for the optimization indicators of the water system. This document is applicable to the optimization of the water system in the production process of the hot rolling section of steel enterprises.

Publish Date: 2023-12-20

YB/T 6100-2023 Active

YB/T 6100-2023 Steaming vessel insulation technology specifications for top cover

This document specifies the terms and definitions, working principle, process flow, technical requirements, operation, maintenance, and safety of the cover insulation technology for blast furnace molten iron tanks. This document is applicable to the design, construction, completion acceptance, and post-operation process management of molten iron tank covers.

Publish Date: 2023-12-20

YB/T 6119-2023 Active

YB/T 6119-2023 Heating furnace high-intensity radiation technology requirements

This document specifies the terms and definitions, basic principles, working environment, blackbody components, installation techniques, safety and environmental protection, construction and acceptance requirements, effect evaluation, and operation and maintenance of the blackbody enhanced radiation technology for heating furnaces. This document is applicable to steel rolling heating furnaces, and other heat treatment furnaces can refer to and implement it accordingly.

Publish Date: 2023-12-20