GB/T 20564.13-2023 Translated English of Chinese Standard (GB/T 20564.13-2023, GBT20564.13-2023): Continuously cold rolled high strength steel sheet and strip for automobile - Part 13: Medium manganese steel
https://www.chinesestandard.net, 2023 M10 25 - 15 pages
This Document specifies the designation expression method and classification, ordering content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of continuously cold-rolled medium-manganese high-strength steel sheets and strips for automobile. This Document applies to continuously cold-rolled medium-manganese high-strength steel sheets and strips (hereinafter referred to as "steel sheets and strips") with a thickness of 1.0mm~2.5mm, which are mainly used to make structural parts and reinforcement parts of the automobile.
aims to determine austenite Chemical Composition Smelting coil cold-rolled medium-manganese high-strength Complex Phase Steel Composition Smelting Analysis Continuously Cold continuously cold-rolled high-strength continuously cold-rolled medium-manganese defects designation expression determine the technical Document Dual Phase Steel high-strength steel sheets Higher surface Induced Plasticity Steel induction furnace GB/T Inspection Items inspection rules Low Alloy Steel mainly marking and quality Martensitic mechanical properties Medium Manganese Steel medium-manganese high-strength steel methods of steel negotiated when ordering ordering content outer panels Pitting surface Shiny provisions of GB/T quality certificate Quenching and Partitioning Reference Value reinforcements requirements for continuously Sampling Quantities sheets and strips shown in Table special requirements Spectrophotometric Method GB/T Steel and Alloy Steel and iron steel strips Strip for Automobile strips shall comply supplier surface quality level surface structure technical requirements tensile strength Tensile test test methods thickness of 1.0mm~2.5mm Transformation Induced Plasticity Twinning Induced Plasticity unevenness accuracy Value on Chemical yield strength