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GB 912-2008 Hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels

Standard Number:  GB 912-2008
Title:  Hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels
Language:  Simplified Chinese
Publication Date:  2008/10/24
Execute Date:  2009/10/1
Standard Type:  Product
International Classification for Standards (ICS)METALLURGY>>Iron and steel products>>Flat steel products and semi-products
Publisher:  Chinese Standards(GB)
Price:7.20  
Number of Pages:  

Preface: This standard reference EN10216  "02" pressure purpose of seamless steel tube technical conditions of delivery Part 2: the provisions in the performance of high temperature alloy steel and alloy steel pipe, EN10216  "04" pressure purpose of seamless steel tube technical conditions of delivery Part 5: stainless steel tube "and" ASME Boiler and pressure vessel code The first Ⅱ volume in 2004 version of A piece of iron base material SA  106 high temperature with carbon steel seamless steel pipe specifications, SA  192 m high pressure with carbon steel seamless pipe specification, SA  209 m of the boiler and overheating is used "specification for carbon and molybdenum alloy steel seamless steel tube, SA  210 m" Boiler and overheating for medium carbon steel seamless steel pipe specifications, SA  213 m, superheater, and the boiler heat exchanger with ferritic and austenitic alloy steel seamless steel pipe specifications, and SA  335 m in the high temperature alloy steel seamless steel tube with ferrite code revision. Since the date of implementation, this standard GB5310-1995 "high pressure boiler Seamless steel pipe ". Compared with this standard GB5310-1995, the main changes are as follows: - increases the classification and code; --, cancelled the size table; - increased according to the size of the minimum wall thickness or nominal diameter delivery way; --, modify the size of the steel tube allow deviation; - remove the tag The sample; - increased by 10 steel grades, removed a steel grades, modified the steel chemical composition; - changed the steel smelting method; --, modified the steel tube heat treatment system; --, the mechanical properties of modified the steel pipe; --, modify the steel tube flattening test methods and requirements; - increase the steel pipe Bending test requirements and test methods; --, modified the steel tube flaring test requirements; --, modified the steel tube of non-metallic inclusions, grain size, microstructure, and decarburization layer requirements; - increased steel intergranular corrosion test requirements; --, modified the steel pipe NDT inspection acceptance level; --, modified the steel Tensile test, impact test specimen requirements; --, modified the steel tube of high temperature mechanical properties. The appendix A of this international standard, appendix C and appendix D for informative appendices, appendix B for normative appendix. This clause 5.1, 5.2, 5.3, 5.4, 5.4, 5.6, 6.4.4, 6.4.5, . 6, 6.6.3, 6.12, appendix A, appendix B, appendix C, appendix D for voluntary, the rest are mandatory. This standard put forward by the China iron and steel association. This standard by the national standardization technical committee under centralized steel. This standard drafting unit: at pangang group chengdu iron & steel co., LTD., metallurgical industry information Standard institute, baoshan iron and steel co., LTD., hunan hengyang steel tube (group) co., LTD., Shanghai complete design and research institute, institute of xi 'an thermal power generation equipment co., LTD., suzhou institute of thermal co., LTD. Main drafter of this standard: rich, ChengHaiTao, characters, such as, Huang Ying, xu, shao-lin Chen, my English, shu-tao liu, ricoo Finn, Guo Yuanrong, li zhi. This standard replaced all previous releases of standard is: GB5310-1985, GB 5310-1995 Seamless steel tubes and pipes for high pressure boiler.  
Description:This standard specifies carbon structural steel and low alloy steel hot rolled steel sheet and strip the order content, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, mark and quality certificate, etc.
this standard applies to the thickness of less than 3 mm carbon structural steel and low alloy steel hot rolled steel sheet and strip.  
Cross References:
ISO 4995-20001(E),;
GB/T 222;
GB/T 223.3;
GB/T 223.5;
GB/T 223.10;
GB/T 223.11;
GB/T 223.14;
GB/T 223.17;
GB/T 223.18;
GB/T 223.19;
GB/T 223.23;
GB/T 223.32;
GB/T 223.37;
GB/T 223.40;
GB/T 223.58;
GB/T 223.59;
GB/T 223.60;
GB/T 223.63;
GB/T 223.64;
GB/T 223.68;
GB/T 223.71;
GB/T 223.72;
GB/T 228
  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  824KB
Tile in English:  Hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels

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