Standards

YB/T 6130-2023 Active

YB/T 6130-2023 The steel welding network used for concrete precast plates

This document specifies the ordering content, technical requirements, inspection rules, packaging, marking, and quality certificates for steel welded mesh used in concrete precast panels. This document is applicable to steel welded mesh used in concrete precast panels manufactured using dedicated molds.

Publish Date: 2023-12-20

YB/T 6129-2023 Active

YB/T 6129-2023 The wear-resistant and heat-resistant guide wheel used in the guide device

This document specifies the terms and definitions, classification, model naming and basic parameters, requirements, test methods, inspection rules, packaging, marking, storage, and transportation of wear-resistant and heat-resistant guide wheels for guide rails. This document is applicable to wear-resistant and heat-resistant guide wheels for guide rails.

Publish Date: 2023-12-20

YB/T 5309-2023 Active

YB/T 5309-2023 Stainless steel hot-rolled isosceles angle steel

This document specifies the ordering content, dimensions, appearance, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for stainless steel hot-rolled equal-sided angle steel. This document is applicable to stainless steel hot-rolled equal-sided angle steel.

Publish Date: 2023-12-20

YB/T 6127-2023 Active

YB/T 6127-2023 Structural low alloy high-strength hot-rolled steel with Nb and V

This document specifies the designation method of structural niobium-vanadium low-alloy high-strength hot-rolled steel, the order content, dimensions, shape, weight and allowable deviations, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document is applicable to niobium-vanadium low-alloy high-strength hot-rolled H-beams, I-beams, channel beams, angle beams, and split T-beams with a thickness not exceeding 50mm.

Publish Date: 2023-12-20

YB/T 6121-2023 Active

YB/T 6121-2023 The method for determining the depth of intergranular oxidation of steel

This document specifies the samples and sample preparation, measurement methods, and test reports for determining the intergranular oxidation depth of steel. This document is applicable to the determination of the intergranular oxidation depth of the surface layer of steel. Other metals and alloys can be used for reference.

Publish Date: 2023-12-20

YB/T 6120-2023 Active

YB/T 6120-2023 YB/T 6120-2023 Bainitic non-stabilized steel

This document specifies the terms and definitions, classification, order content, dimensions, shapes, weights, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for bainitic non-quenched and tempered steel. This document is applicable to bainitic non-quenched and tempered hot-rolled or forged steel bars with a nominal diameter of 80mm to 350mm.

Publish Date: 2023-12-20

YB/T 6148-2023 Active

YB/T 6148-2023 High-Manganese Non-Magnetic Steel Plate for Power Transformer

This document specifies the method of designating the grades of high-manganese non-magnetic steel plates used in power transformers, the content of orders, dimensions, shapes, weights, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document is applicable to the manufacture of power transformers and other electrical equipment using high-manganese non-magnetic steel plates with a thickness of 6mm to 100mm.

Publish Date: 2023-12-20

YB/T 6147-2023 Active

YB/T 6147-2023 Painted refractory weather-resistant hot-rolled steel plate and steel strip with reduced coating

This document specifies the grades, order content, dimensions, shapes, weights, and allowable deviations of reduced-coating fire-resistant and weather-resistant hot-rolled steel plates and strips, as well as technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document applies to hot-rolled wide strips, continuously rolled steel plates, and slit steel strips with a thickness of no more than 25.4mm and a width of no less than 600mm, which are typically used in the manufacture of buildings, bridges, fire doors, scaffolding, etc. that require high atmospheric corrosion resistance and fire resistance. This document is applicable to reduced-coating applications under corrosion resistance conditions of C1 to C4 and fire resistance requirements.

Publish Date: 2023-12-20

YB/T 6146-2023 Active

YB/T 6146-2023 YB/T 6146-2023 Hot rolled acid-free automotive beam steel plate and steel strip

This document specifies the classification, code designation, and trademark representation methods of hot-rolled acid-free automotive beam steel plates and steel strips, 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 the manufacture of hot-rolled acid-free steel strips with a thickness of not more than 12.0mm for automotive beams, as well as the steel plates cut transversely from these strips and the longitudinally cut steel strips.

Publish Date: 2023-12-20

YB/T 6126-2023 Active

YB/T 6126-2023 Hot-rolled U-shaped steel used in steel structure of bridges

This document specifies the terms and definitions, classification and designations, order content, dimensions, appearance, weight, technical requirements, test methods, inspection rules, numerical rounding, packaging, marking, and quality certificates for hot-rolled U-rib steel used in bridge steel structures. This document is applicable to hot-rolled U-rib steel used in bridge steel structures.

Publish Date: 2023-12-20

YB/T 6143-2023 Active

YB/T 6143-2023 aluminum-manganese-iron alloy

This document specifies the technical requirements, test methods, inspection rules, packaging, marking, storage and transportation, and quality certificates for aluminum-magnesium-iron alloys. This document is applicable to aluminum-magnesium-iron alloys produced by the electric furnace remelting method.

Publish Date: 2023-12-20

YB/T 6142-2023 Active

YB/T 6142-2023 High-purity titanium iron alloy

This document specifies the technical requirements, test methods, inspection rules, packaging, marking, storage and transportation, and quality certificates for high-purity titanium iron. This document is applicable to high-purity titanium iron used as an additive of titanium in steel or alloy materials.

Publish Date: 2023-12-20