GB/T 20564.7-2010 (GBT20564.7-2010)

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Related Standard	Status	PDF
GB/T 20564.7-2010	English	85	Add to Cart	0--9 seconds. Auto-delivery	Continuously cold rolled high strength steel sheet and strip for automobile -- Part 7: Martensitic steels	GB/T 20564.7-2010	Obsolete	GB/T 20564.7-2010

GB/T 20564.7-2010
Continuously cold rolled high strength steel sheet and strip for automobile.Part 7. Martensitic steels
ICS 77.140.50
H46
National Standards of People's Republic of China
High - strength cold - rolled steel sheet and strip for automobile
Part 7. martensitic steel
Part 7. Martensiticsteels
2010-09-02 release
2011-06-01 Implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China
China National Standardization Management Committee released
Preface
GB/T 20564 "automotive high-strength cold-rolled steel and steel strip" is divided into seven parts.
Part 1. Bake hardened steel
Part 2. Duplex steel
Part 3. Hullless Atomic Steel
Part 4. Low alloy high strength steel
Part 5. Isotropic steel
Part 6. Phase change induced plasticity steel
- Part 7. Martensitic steel
This part is part 7 of GB/T 20564.
Appendix A and Appendix B of this section are informative.
This part is made by China Iron and Steel Industry Association.
This part is headed by the National Steel Standardization Technical Committee.
This part of the drafting unit. Baoshan Iron and Steel Co., Ltd., Metallurgical Industry Information Standards Institute, Shougang Corporation.
The main drafters of this part are. Li Yuguang, Sun Zhongming, Xu Hongwei, Shi Hongyan, Tu Shulin, Wang Xiaohu, Huang Jinhua, Yu Chengfeng, Teng Huaxiang,
Zhu Xiaodong, Wang Li, Xu Qing.
High - strength cold - rolled steel sheet and strip for automobile
Part 7. martensitic steel
1 Scope
This section specifies the terms and definitions of cold-rolled martensitic high-strength steel and steel (hereinafter referred to as steel and steel), classification,
Size, shape, weight, technical requirements, inspection and testing, packaging, marking and quality certificates.
This part is suitable for the thickness of 0.50mm ~ 2.1mm, mainly for the production of automotive structural parts, reinforced steel and steel.
2 normative reference documents
The terms of this document are incorporated by reference in this section and become part of this section. Whichever is the date of the reference file, which is followed by all
(Excluding corrigenda) or revisions do not apply to this part, however, encourage parties to reach an agreement under this section
Whether you can use the latest version of these files. For undated references, the latest edition applies to this section.
GB/T 223.5 Determination of silicon and total silicon content of iron and silicon in steel - Reduced molybdosilicate spectrophotometric method
Steel and alloys - Determination of aluminum content - Chromazu S spectrophotometric method GB/T
Steel and alloys - Determination of chromium content - Visual titration or potentiometric titration
Iron and steel - Determination of nickel content - Butadiene oxime spectrophotometric method GB/T
Iron and steel - Determination of molybdenum content - Thiocyanate spectrophotometric method GB/T
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 223.59 Determination of phosphorus content of iron, steel and alloy - Bismuth phosphorus molybdenum blue spectrophotometric method and antimony phosphomolybdenum blue spectrophotometric method
GB/T 223.60 Methods for chemical analysis of iron, steel and alloy - Perchloric acid dehydration gravimetric method for the determination of silicon content
GB/T 223.63 Methods for chemical analysis of iron, steel and alloy The sodium periodate (potassium) spectrophotometric method for the determination of manganese content
Iron and steel - Determination of manganese content - Flame atomic absorption spectrometric method GB/T
Iron and steel - Determination of sulfur content - Dimethyl blue spectrophotometric method GB/T
GB/T 223.68 Methods for chemical analysis of iron, steel and alloy The potentiometric determination of sulfur content by potassium iodate titration after burning in a furnace
Iron and steel - Determination of carbon content - Burning furnace gas volume method in tubular furnace GB/T
GB/T 223.71 Methods for che