Standard No.:	GB 912-2008
English Name:	Hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels
Chinese Name:	碳素结构钢和低合金结构钢热轧薄钢板和钢带
Chinese Classification:	H46    Steel sheet and strip
Professional Classification:	GB    National Standard
ICS Classification:	77.140.50 77.140.50    Flat steel products and semi-products 77.140.50
Issued by:	AQSIQ and SAC
Issued on:	1966-4-18
Implemented on:	2009-10-1
Status:	abolished
Superseded by:	GB/T 3274-2017 Hot-rolled plates、sheets and strips of carbon structural steels and high strength low alloy structural steels
Superseded on:	2017-11-1
Abolished on:	2017-11-01
Superseding:	GB 912-1989 Hot-rolled plain carbon and low alloy structural steel sheets and strips GB/T 912-1989 Hot-rolled plain carbon and low alloy structural steel sheets and strips
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	60.0
Delivery:	via email in 1 business day

This standard specifies the ordering information, size, appearance, weight and permissible deviation, technical requirements, test methods, inspection rules, packing, marking and quality certificate of hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels. This standard is applicable to hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels with thickness less than 3 mm.

Foreword I 1 Scope 2 Normative References 3 Ordering Information 4 Size, Appearance, Weight and Permissible Deviation 5 Technical Requirements 6 Test Methods 7 Inspection Rules 8 Packing, Marking and Quality Certificate 9 Rounding off of Numerical Values

*GB/T 222-2006 Permissible Tolerances for Chemical Composition of Steel Products
*GBT223.3-
*GB/T 223.5-2008 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method
*GB/T 223.10-2000 Methods for chemical analysis of iron, steel and alloy－The cupferron separation-chrome azurol S photometric method for the determination of aluminium content
*GB/T 223.11-2008 Iron, Steel and Alloy - Determination of Chromium Content - Visual Titration or Potentiometric Titration Method
*GB/T 223.14-2000 Methods for Chemical Analysis of Iron, Steel and Alloy - The N-Benzoy-N-Phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content
*GBT223.17-
*GB/T 223.1-1981 Determination of carbon content in iron, steel and alloy
*GBT223.19-
*GB/T 223.23-2008 Iron, Steel and Alloy-Determination of Nickel Content - The Dimethylglyoxime Spectrophotometric Method
*GB/T 223.32-1994 Methods for Chemical Analysis of Iron, Steel and Alloy - The Hypophosphite Reduction-Iodimetric Method for the Determination of Arsenic Content
*GB/T 223.37-2020 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
*GB/T 223.40-2007 Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method
*GBT223.58-
*GB/T 223.59-2008 Iron, Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony Phosphomolybdate Blue Spectrophotometric Method
*GB/T 223.60-1997 Methods for chemical analysis of iron,steel and alloy The perchloric acid dehydration gravimetric method for the determination of silicon content
*GB/T 223.63-2022 Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method
*GB/T 223.64-2008 Iron, Steel and Alloy - Determination of Manganese Content - Flame Atomic Absorption Spectrometric Method
*GB/T 223.68-1997 Methods for Chemical Analysis of Iron, Steel and Alloy - The Potassium Iodate Titration Method after Combustion in the Pipe Furnace for the Determination of Sulfur Content
*GB/T 223.71-1997 Methods for Chemical Analysis of Iron, Steel and Alloy the Gravimetric Method after Combustion in the Pipe Furnace for the Determination of Carbon Content
*GB/T 223.7-2002 Iron powder--Determination of iron content--Potassium dichromate titration method
*GB/T 228-2002 Metallic Materials – Tensile Testing at Ambient Temperature
*GB/T 232-2010 Metallic materials—Bend test
*GB/T 247-2008 General rule of package mark and certification for steel plates (sheets) and strips
*GB/T 700-2006 Carbon structural steels
*GB/T 709-2019 Dimension,shape,weight and tolerance for hot-rolled steel strip,plate and sheet
*GB/T 1591-2018 High strength low alloy structural steels
*GB/T 2975-2018 Steel and steel products—Location and preparation of samples and test pieces for mechanical testing
*GB/T 4336-2016/XG1-2017 Carbon and low-alloy steel―Determination of multi-element contents―Spark discharge atomic emission spectrometric method (routine method), including Amendment 1
*GB/T 17505-2016 Steel and steel products General technical delivery requirements
*GB/T 18253-2018 Steel and steel products—Types of inspection documents
*GB/T 20066-2006 Steel and Iron-Sampling and Preparation of Samples for the Determination of Chemical Composition
*YB/T 081-2013 Rule for Rounding Off of Numberical Values and Judgement of Testing Values for Technical Standards of Metallurgy