Standards

YB/T 6103-2023 Active

YB/T 6103-2023 Non-quenched and tempered steel bar for automotive expansion rod

This document specifies the dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates of non-quenched and tempered structural steel rods used in automotive break rod applications. This document is applicable to non-quenched and tempered structural steel rods with a nominal diameter of 30mm to 130mm used in automotive break rods.

Publish Date: 2023-07-28

YB/T 4370-2023 Active

YB/T 4370-2023 Stainless steel welded steel pipes for urban gas transportation

This document specifies the classification and designations, order content, dimensions, appearance, weight, and allowable deviations of stainless steel welded steel pipes for urban gas transmission, as well as technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document applies to stainless steel welded steel pipes for urban gas transmission with a nominal pressure (PN) not exceeding 0.4MPa.

Publish Date: 2023-07-28

YB/T 4330-2023 Active

YB/T 4330-2023 Large-diameter austenitic stainless steel seamless steel tube

This document specifies the classification, designation, order content, dimensions, appearance, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates of large-diameter austenitic stainless steel seamless steel pipes. This document is applicable to austenitic stainless steel seamless steel pipes used in the petrochemical, chemical, power station, and other fields with an outer diameter of not less than 426mm.

Publish Date: 2023-07-28

YB/T 6105-2023 Active

YB/T 6105-2023 Diamond wire mandrel steel wire

This document specifies the terms and definitions, marking, order content, dimensions, shape, length, and allowable deviations, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage, and quality certificates for diamond wire busbar steel wires. This document is applicable to fine busbar steel wires for cutting silicon wafers with a nominal diameter range of 30μm to 70μm.

Publish Date: 2023-07-28

YB/T 6107-2023 Active

YB/T 6107-2023 Decorative stainless steel cold-rolled steel sheet and steel strip

This document specifies the grades, dimensions, shapes, technical requirements, test methods, inspection rules, packaging, marking, and product quality certificates of decorative stainless steel cold-rolled steel plates and steel strips. This document is applicable to stainless steel cold-rolled steel plates and steel strips with a thickness of 0.25mm to 5.00mm, which are used to make decorative panels and decorative welded steel pipes.

Publish Date: 2023-07-28

YB/T 6108-2023 Active

YB/T 6108-2023 Stainless steel colored coated steel sheets and steel strips

This document specifies the designation method, classification and code for stainless steel color-coated steel plates and strips, the content of orders, dimensions, shapes, weights, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document is applicable to stainless steel color-coated steel plates and strips used for interior and exterior applications in buildings. Stainless steel color-coated plates for home appliances and other purposes can be used as a reference.

Publish Date: 2023-07-28

YB/T 6106-2023 Active

YB/T 6106-2023 Automotive fastener cold heading steel wire rod

This document specifies the terms and definitions, order content, classification and code, dimensions, appearance, weight and allowable deviations, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for cold heading steel coils used in automotive fasteners. This document is applicable to cold heading steel coils used in automotive fasteners with a nominal diameter of 5mm to 42mm.

Publish Date: 2023-07-28

YB/T 6089-2023 Active

YB/T 6089-2023 Steel Continuous Casting Blade Cutting Machine

This document specifies the terms and definitions, composition, classification, models, basic parameters, technical requirements, safety and environmental protection requirements, test methods, inspection rules, marking, packaging, transportation, and storage of flame cutters for continuous casting billets. This document is applicable to flame cutters that use industrial gases as the fuel medium for cutting continuous casting billets, which can be configured for cutting billet to length (or to multiple lengths), cutting samples, cutting off the heads and tails of continuous casting billets online, or for cutting short-sized billets, cold billets, and scrap billets offline. Other related flame cutters can also be used as reference.

Publish Date: 2023-04-21

YB/T 6088-2023 Active

YB/T 6088-2023 Nitrogen-doped silicon iron determination of calcium, aluminum, chromium, manganese, titanium, phosphorus content by inductively coupled plasma atomic emission spectroscopy

This document specifies the determination of the content of calcium, aluminum, chromium, manganese, titanium, and phosphorus using inductively coupled plasma atomic emission spectrometry. This document is applicable to the determination of the content of calcium, aluminum, chromium, manganese, titanium, and phosphorus in silicon nitride iron. The determination range (mass fraction) of calcium, aluminum, chromium, and manganese is 0.010% to 2.00%, and the determination range (mass fraction) of titanium and phosphorus is 0.010% to 0.20%.

Publish Date: 2023-04-21

YB/T 6087-2023 Active

YB/T 6087-2023 Determination of Multi-element Content of High Chromium Alloy Abrasive Ball by Spark Discharge Atomic Emission Spectroscopy (Conventional Method)

This document specifies the analytical method for determining the contents of carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel, copper, molybdenum, vanadium, and titanium in high-chromium alloy grinding balls by spark discharge atomic emission spectrometry. This document is applicable to the determination of the multi-element contents in high-chromium alloy grinding balls.

Publish Date: 2023-04-21

YB/T 6086-2023 Active

YB/T 6086-2023 Ball mill steel section for forging (rolling)

This document specifies the terms and definitions, classification and designations, technical requirements, test methods, inspection rules, and packaging, marking, transportation, and storage for forged (rolled) steel segments used in ball mills. This document is applicable to forged (rolled) steel segments used in ball mills for mining in the metallurgical industry. Forged (rolled) steel segments used in ball mills in other industries can also be used as a reference.

Publish Date: 2023-04-21

YB/T 6085-2023 Active

YB/T 6085-2023 Welding material with pure iron powder

This document specifies the technical requirements, test methods, inspection rules, packaging, marking, storage and transportation, and quality certificates for pure iron powder used in welding materials. This document is applicable to pure iron powder used in welding materials produced by water atomization and reduction methods, and pure iron powder used as metallurgical additives.

Publish Date: 2023-04-21