GB/T 24180-2020
Cold-reduced electrolytic chromium/chromium oxide coated steel sheet and strip (English Version)

Standard No.

GB/T 24180-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 24180-2020

Replace

GB/T 24180-2009

Scope

This standard specifies the classification and codes, grades and markings, dimensions, appearance, weight, technical requirements, test methods, inspection rules, packaging, markings and quality certificates of cold-rolled electroplated chromium steel plates and steel strips. This standard applies to primary cold-rolled electroplated chromium-plated steel plates and steel strips with a nominal thickness of 0.14mm to 0.80mm and secondary cold-rolled electroplated chromium-plated steel plates and steel strips with a nominal thickness of 0.12mm to 0.36mm (hereinafter referred to as steel plates and steel strips). .

GB/T 24180-2020 Referenced Document

• GB/T 16597 Analytical methods of metallurgical products—General rule for X-ray fluorescence spectrometric methods
• GB/T 17505 Steel and steel products.General technical delivery requirements
• GB/T 20066 Steel and iron.Sampling and preparation of samples for the determination of chemical composition
• GB/T 20123 Steel and iron - Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)
• GB/T 20125 Low-alloy steel.Determination of multi-element contents.Inductively coupled plasma atomic emission spectrometric method
• GB/T 20126 Unalloyed Steel - Determination of low carbon content - Part 2: Infrared absorption method after combustion in an induction furnace (With preheating)
• GB/T 222 Permissible tolerances for chemical composition of steel products
• GB/T 223.11 Determination of chromium content in iron, steel and alloy by visual titration or potentiometric titration
• GB/T 223.18 Methods for chemical analysis of iron steel and alloy.The sodium thiosulfate separation iodimetric method for the determination of cupper content
• GB/T 223.23 Iron,,steel and alloy.Determination of nickel content.The dimethylglyoxime spectrophotometric method
• GB/T 223.26 Iron,steel and alloy.Determination of molybdenum content.The thiocyanate spectrophotometric method
• GB/T 223.29 Iron,steel and alloy.Determination of lead content.Carrier precipitation-xylenol orange spectrophotometric method
• GB/T 223.31 Iron,steel and alloy.Determination of arsenic content.Distillation-molybdenum blue spectrophotometric method
• GB/T 223.5 Steel and iron.Determination of acid-soluble silicon and total silicon content.Reduced molybdosilicate spectrophotometric method
• GB/T 223.59 Iron,steel and alloy.Determination of phosphorus content.Bismuth phosphomolybdate blue spectrophotometic method and antimony phosphomolybdate blue spectruophotometric method
• GB/T 223.64 Iron,steel and alloy.Determination of manganese content.Flame atomic absorption spectrometric method
• GB/T 223.9 Iron,steel and alloy.Determination of aluminium content.Chrome azurol S photometric method
• GB/T 228.1-2010 Metallic materials.Tensile testing.Part 1: Method of test at room temperature
• GB/T 230.1 Metallic materials.Rockwell hardness test.Part 1:Test method
• GB/T 247 General rule of package,mark and certification for steel plates(sheets)and strips
• GB/T 2520 Cold reduced electrolytic tinplate
• GB/T 2523 Measuring method of surface roughness, peak count and waviness for cold-rolled metal sheet and strip*， 2022-07-11 Update
• GB/T 4336 Determination of multi-element content in carbon steel and medium and low alloy steel Spark discharge atomic emission spectrometry (conventional method) Amendment No. 1
• GB/T 6730.79 Iron ores—Determination of cadmium content—Hydride generation-atomic fluorescence spectrometric method
• GB/T 708 Dimension，shape，weight and tolerance for coldrolled steel strip and sheet
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 24180-2020 history

• 2020 GB/T 24180-2020 Cold-reduced electrolytic chromium/chromium oxide coated steel sheet and strip
• 2009 GB/T 24180-2009 Cold-reduced electrolytic chromium/chromium oxide coated steel sheet and strip