GB/T 20887.3-2010
Continuously hot rolled high strength steel sheet and strip for automobile.Part 3:Dual phase steel

Be replaced

Standard No.

GB/T 20887.3-2010

Language

Chinese

Release Date

2010

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Replace By

GB/T 20887.3-2022

Lastest

GB/T 20887.3-2022

Scope

This part specifies the classification and code, size, shape, weight, technical requirements, inspection and test, packaging, marking and quality certificate of dual-phase steel hot-rolled steel sheets and strips. This section applies to hot-rolled dual-phase steel strips with a thickness not greater than 6mm, as well as the steel sheets cut transversely and the slit strips cut longitudinally.

GB/T 20887.3-2010 Referenced Document

• GB/T 10561 Standard grading chart microscopic examination method for determination of non-metallic inclusion content in steel*， 2023-05-23 Update
• GB/T 17505 Steel and steel products.General technical delivery requirements*， 2016-02-24 Update
• 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 22 Bolts,small hexagon head with fit neck
• GB/T 222 Permissible tolerances for chemical composition of steel products
• GB/T 223.5 Steel and iron.Determination of acid-soluble silicon and total silicon content.Reduced molybdosilicate spectrophotometric method
• GB/T 223.53 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content
• GB/T 223.54 Iron, steel and alloy—Determination of nickel content—Flame atomic absorption spectrometric method*， 2022-07-11 Update
• 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 223.60 Methods for chemical analysis of iron, steel and alloy--The perchloric acid dehydration gravimetric method for the determination of silicon content
• GB/T 223.62 Methods for chemical analysis of iron, steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content
• GB/T 223.63 Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method*， 2022-07-11 Update
• GB/T 223.64 Iron,steel and alloy.Determination of manganese content.Flame atomic absorption spectrometric method
• GB/T 223.78 Methods for chemical analysis of iron,steel and alloy-Curcumin spectrophotometric method for the determination of boron content
• GB/T 228 Metallic materials--Tensile testing at ambient temperature
• GB/T 247 General rule of package,mark and certification for steel plates(sheets)and strips
• GB/T 2975 Steel and steel products.Location and preparation of samples and test pieces for mechanical testing*， 2018-05-14 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 5028 Metallic materials.Sheet and strip.Determination of tensile strain hardening exponent
• GB/T 6394 Determination of estimating the average grain size of metal*， 2017-02-28 Update
• GB/T 709 Dimension,shape,weight and tolerance for hot-rolled steel strip,plate and sheet*， 2019-03-25 Update
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 20887.3-2010 history

• 2022 GB/T 20887.3-2022 Continuously hot rolled high strength steel sheet and strip for automobile—Part 3: Dual phase steel
• 2010 GB/T 20887.3-2010 Continuously hot rolled high strength steel sheet and strip for automobile.Part 3:Dual phase steel

GB/T 20887.3-2010 -All Parts