Standards

YB/T 4185-2026 Pending

YB/T 4185-2026 Tailings Pre-mix Mortar Technical Specification

This document specifies the terms and definitions, classification, designations and markings, technical requirements, factory preparation, inspection rules, transportation, delivery and storage, construction quality control, and construction quality acceptance of tailings pre-mixed mortar. This document is applicable to the production of pre-mixed mortar used in general industrial and civil buildings, which is made from tailings sand by professional manufacturers, as well as the control of its construction quality and acceptance

Publish Date: 2026-04-16

YB/T 6385-2026 Pending

YB/T 6385-2026 Blast furnace high-pressure and low-pressure mixed oxygen supply technology specifications

This document specifies the principles and processes, technical requirements, safety requirements, operational requirements, and calculation methods for operating evaluation indicators of the mixed oxygen supply technology for blast furnaces. This document is applicable to the design and use of mixed oxygen supply systems for low-pressure oxygen supply before the blast furnace and high-pressure oxygen supply after the blast furnace in ironmaking. Other blast furnace oxygen supply systems can refer to and implement it accordingly.

Publish Date: 2026-04-16

YB/T 4405-2026 Pending

YB/T 4405-2026 High-temperature blast furnace slag sand application technical regulations in concrete and mortar

This document stipulates the basic requirements for preparing concrete and mortar with blast furnace slag sand, the technical requirements for raw materials, the performance of concrete and mortar, the design of mix ratios, construction, quality inspection, and acceptance. This document is applicable to the use of blast furnace slag sand as fine aggregate for preparing ordinary concrete, heat-resistant concrete, and mortar

Publish Date: 2026-04-16

YB/T 6469.1-2026 Pending

YB/T 6469.1-2026 Steel enterprise carbon dioxide capture technology specification Part 1: General rules

This document stipulates the basic requirements, process flow, equipment requirements, and safety protection requirements for carbon dioxide capture in steel enterprises. This document is applicable to the design and capture equipment of carbon dioxide capture projects in new, expanded, or renovated steel enterprises. Other industries can refer to this document for the design of their carbon dioxide capture projects

Publish Date: 2026-04-16

YB/T 6470-2026 Pending

YB/T 6470-2026 Carbon emissions data management platform technical specification for steel enterprises

This document specifies the general requirements of the carbon emission data management platform for steel enterprises, the overall architecture of the platform, the scope and sources of data, the functional requirements of the platform, the operation and maintenance requirements of the platform, and the application of data. This document is applicable to the construction and application of the carbon emission data management platform for steel production enterprises

Publish Date: 2026-04-16

YB/T 4151-2026 Pending

YB/T 4151-2026 Automotive wheels made of hot-rolled steel plate and steel strip

This document specifies the designation method, classification, and code for continuous hot-dip galvanized and zinc-iron alloy-coated hot-stamped steel plates and steel strips used in automobiles, as well as the order content, dimensions, shapes, weights, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document is applicable to automotive safety structural parts and similar applications of steel plates and steel strips with a thickness of 0.50mm to 3.0mm.

Publish Date: 2026-04-16

YB/T 6445-2026 Pending

YB/T 6445-2026 Super-span cable-supported bridge used for hot-dip steel wire

This document specifies the terms and definitions, symbols, classification, models, manufacturing processes, technical requirements, test methods, inspection rules, packaging, marking, transportation, and storage of hot-dip steel wires used in super-large span cable-stayed bridges. This document is applicable to hot-dip steel wires used in the main cables and suspension cables of suspension bridges with a main span of over 1,000 meters, and in the stay cables of cable-stayed bridges with a main span of over 800 meters. Hot-dip steel wires used in other bridges and structures can be used for reference

Publish Date: 2026-04-16

YB/T 6446-2026 Pending

YB/T 6446-2026 High-strength steel solid welding wire rod with steel drum

This document specifies the method of designating the steel wire rod for high-strength steel solid welding wire, the content of the order, the manufacturing process, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document is applicable to the steel wire rod (gas shielded welding wire and submerged arc welding wire) with a nominal diameter of 5.5mm to 6.5mm, and the minimum tensile strength of the metal deposited during welding is not less than 550MPa.

Publish Date: 2026-04-16

YB/T 6448-2026 Pending

YB/T 6448-2026 Automobile easy-to-cut steel wire rope

This document specifies the designations, order content, manufacturing process, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for easy-cutting steel wire rods used in automobiles. This document is applicable to the manufacture of automotive steering turbines, overdrive pulleys, and other components with high requirements for cutting performance, with a nominal diameter of 5.0mm to 52.0mm for hot-rolled wire rods.

Publish Date: 2026-04-16

YB/T 6465-2026 Pending

YB/T 6465-2026 Boron-containing graphite rod for fast neutron reactor

This document specifies the technical requirements, inspection methods, inspection rules, determination of product inspection results, packaging, marking, transportation, storage, and quality certificates for boron-containing graphite rods used in fast neutron reactors. This document applies to boron-containing graphite rods made from calcined petroleum coke, coal tar, and boron carbide as the main raw materials, through molding, roasting, impregnation, re-roasting, graphitization, and mechanical processing, for use in shielding fast neutron reactors.

Publish Date: 2026-04-16

YB/T 6466-2026 Pending

YB/T 6466-2026 Isostatic graphite for solar battery coating

This document specifies the product specifications, technical requirements, test methods, inspection rules, packaging, marking, storage, transportation, and quality certificates for isostatic graphite used in solar cell coatings. This document is applicable to graphite materials made from calcined petroleum coke, calcined asphalt coke, modified asphalt, etc. as the main raw materials, through processes such as pulverization, mixing, cold isostatic molding, roasting (impregnation), graphitization, and purification

Publish Date: 2026-04-16

YB/T 6483-2026 Pending

YB/T 6483-2026 Prefabricated steel structure residential house with weather-resistant and seismic-resistant hot-rolled H-shaped steel

This document specifies the designation method of weather-resistant and earthquake-resistant hot-rolled H-section steel for prefabricated steel-structured houses, the content of the order, the manufacturing process, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates, etc. This document is applicable to hot-rolled H-section steel with weather-resistant and earthquake-resistant properties used in prefabricated steel-structured houses.

Publish Date: 2026-04-16