Standards

YB/T 157-2022 Active

YB/T 157-2022 Elevator guide rail is made of hot-rolled steel profiles

This document specifies the ordering content, models, dimensions, shapes, weights, allowable deviations, technical requirements, test methods, inspection rules, packaging, markings, and quality certificates for hot-rolled steel used in elevator guide rails. This document is applicable to hot-rolled steel used in mechanically processed T-type elevator guide rails.

Publish Date: 2022-09-30

YB/T 6032-2022 Active

YB/T 6032-2022 Steel wire rope for spring manufacturing

This document specifies the terms and definitions, classification and marking, order content, materials, technical requirements, inspection and testing, inspection rules, packaging, marking, and quality certificates for spring steel wire ropes used in the manufacture of springs. This document is applicable to spring steel wire ropes used in automotive seat cushions, mattresses, and other furniture and interior decoration applications.

Publish Date: 2022-09-30

YB/T 6031-2022 Active

YB/T 6031-2022 Stainless steel wire and rod for fuel rails in automotive engines

This document specifies the ordering content, dimensions, shapes, allowable deviations, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for stainless steel wires and rods used in automotive engine fuel rails. This document is applicable to stainless steel wires and rods with diameters ranging from 10.00 mm to 50.00 mm, which are used in automotive engine fuel rails.

Publish Date: 2022-09-30

YB/T 6030-2022 Active

YB/T 6030-2022 Car brake pull-pull rope core

This document specifies the definition, classification, and marking of the pull-rod cores for automotive actuation systems, the content of orders, materials, technical requirements, test methods, inspection rules, quality assurance periods, packaging, storage, transportation, and quality certificates. This document is applicable to pull-rod cores used in automotive shift and actuation assemblies and brake actuation assemblies. Pull-rod cores used in other control assemblies, such as construction machinery, rail transit, yachts, ships, and aircraft, can also refer to this document for implementation.

Publish Date: 2022-09-30

YB/T 6029-2022 Active

YB/T 6029-2022 Refractory steel welding wire rod for use

This document specifies the grades, order content, dimensions, shapes, weights, and allowable deviations of coiled wire for welding wire made from fire-resistant and weather-resistant steel, as well as technical requirements, inspection methods, inspection rules, packaging, marking, and quality certificates. This document applies to coiled wire with a nominal diameter of 5mm to 6.5mm, used for gas-shielded arc welding and submerged arc automatic welding of solid welding wire made from fire-resistant and weather-resistant steel with a strength grade of Q460MPa or lower.

Publish Date: 2022-09-30

YB/T 6025-2022 Active

YB/T 6025-2022 Hot-rolled plate of duplex stainless steel for ships and offshore engineering

This document specifies the classification, designation, order content, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates of duplex stainless steel hot-rolled steel plates used in ships and marine engineering. This document is applicable to the manufacture of ocean-going, coastal, and inland navigation ships, fishing vessels, and marine engineering structures using duplex stainless steel plates with a thickness of 5 mm to 60 mm.

Publish Date: 2022-09-30

YB/T 6024-2022 Active

YB/T 6024-2022 Automotive decorative cold-rolled stainless steel sheet and steel strip

This document specifies the ordering content, dimensions, shapes, weights, technical requirements, testing methods, inspection rules, packaging, markings, and quality certificates for cold-rolled stainless steel sheets and strips used in automotive decoration. This document is applicable to the manufacture of automotive window frames, upper and lower trim strips, triangular window trim strips, rear trim strips, welcome strips, roof trim strips, and other cold-rolled stainless steel sheets and strips with a thickness not exceeding 1.0mm.

Publish Date: 2022-09-30

YB/T 6023-2022 Active

YB/T 6023-2022 Brake disc made of hot-rolled stainless steel plate and steel strip

This document specifies the terms and definitions, order content, dimensions, shapes, weights, and allowable deviations, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for stainless steel hot-rolled steel strips and coil-cut steel plates used in brake discs. This document is applicable to stainless steel hot-rolled steel strips and coil-cut steel plates with a thickness of 2.0 mm to 10.0 mm used in brake discs.

Publish Date: 2022-09-30

YB/T 6022-2022 Active

YB/T 6022-2022 YB/T 6022-2022 Method for determining the cross-sectional profile characteristics of hot-rolled steel strips in the transverse direction

This document specifies the method of representing and zoning the cross-sectional profile of hot-rolled steel strips, and also stipulates the method of representing and judging the defects of the profile characteristics. This document is applicable to the identification and definition of the cross-sectional profile characteristics of hot-rolled steel strips. This document does not stipulate the specific method of profile fitting, and the techniques for solving related profile quality problems are also beyond the scope of this document.

Publish Date: 2022-09-30

YB/T 6021-2022 Active

YB/T 6021-2022 YB/T 6021-2022 Steel strip curling inspection method

This document specifies the terms and definitions, classification, symbols, and explanations for the warpage of steel strips, as well as testing methods. This document is applicable to the online or offline detection of the warpage height and warpage direction of hot-rolled steel strips, cold-rolled steel strips, or sheared steel plates.

Publish Date: 2022-09-30

YB/T 6020-2022 Active

YB/T 6020-2022 Steel coil profile detection method

This document specifies the symbols and explanations of the profile detection method for steel coils, as well as the detection and evaluation methods. This document is applicable to the detection of the profile of hot-rolled steel coils for cold forming with a thickness of not more than 3.0 mm, and cold-rolled and coated steel coils.

Publish Date: 2022-09-30

YB/T 6019-2022 Active

YB/T 6019-2022 The ultrasonic testing method for mold steel

This document specifies the general requirements for ultrasonic testing of die steel, comparison test pieces, testing instruments and equipment, testing conditions and methods, determination of defects, quality grading, and testing reports. This document is applicable to manual and automatic ultrasonic testing of die steel with a thickness of not less than 6 mm using the longitudinal wave direct incident reflection method. Ultrasonic testing of round rod-type die steel and other non-die steel forgings, plates, etc. can be carried out in accordance with this document.

Publish Date: 2022-09-30