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GB/T 32247-2015: Ferritic ductile iron castings suitable for low temperature service
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32247-2015 | English | 189 |
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Ferritic ductile iron castings suitable for low temperature service
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GB/T 32247-2015
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Basic data | Standard ID | GB/T 32247-2015 (GB/T32247-2015) | | Description (Translated English) | Ferritic ductile iron castings suitable for low temperature service | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J31 | | Classification of International Standard | 77.140.80 | | Word Count Estimation | 9,951 | | Date of Issue | 2015-12-10 | | Date of Implementation | 2016-07-01 | | Quoted Standard | GB/T 228.1; GB/T 229; GB/T 231.1; GB/T 1348; GB/T 5677; GB/T 6060.1; GB/T 6414; GB/T 9441; GB/T 9444; GB/T 11351; GB/T 18851.1 | | Regulation (derived from) | National Standard Announcement 2015 No.38 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the temperature in the production method of ferritic ductile iron -40 �� ~ -60 ��, the chemical composition and heat treatment, technical requirements, sampling, test methods, inspection rules, inspection and other castings, quality records, logo and quality certificate, rust, packaging, transportation and storage requirements. This standard applies to sand or sand equivalent thermal conductivity and other low-temperature ferritic ductile iron mold casting, and other casting methods for producing low-temperature ferritic ductile iron can refer to use. | GB/T 32247-2015: Ferritic ductile iron castings suitable for low temperature service---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Ferritic ductile iron castings suitable for low temperature service
ICS 77.140.80
J31
National Standards of People's Republic of China
Low temperature ferritic Ductile Iron
Issued on. 2015-12-10
2016-07-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the National Standardization Technical Committee Cast (SAC/TC54) and focal points.
This standard is drafted by. Laizhou Machinery Co., Ltd. Zhong Yao, Anhui Province Machinery Institute of Science.
Involved in the drafting of this standard. Changzhou, China and Germany Machinery Co., Ltd. Hefei Jianghuai Casting Co., Ltd., Hangzhou Jiali Wind Science and Technology have
Limited, Shanghai Sandmann Foundry Co., Ltd., Shunde transit Chuangzhan Ductile Iron Co., Ltd. shared equipment, Cixi City,
Li Electrical Co., Ltd., Sun and Moon Heavy Industries Co., Ltd., Jiang Su Jixin Wind Energy Technology Co., Ltd.
The main drafters of this standard. Yangzhong Yao Song volume, Ding Jianzhong, Zhao Yong Zheng, Gou Huaqiang, Jinyong Xi, Chenpei Zhong, Chen Yongcheng, Xu Guoqiang,
Li Lin Hui, Luo Yu, You Guoqing, Zhou Yizhong, Fuming Kang.
Low temperature ferritic Ductile Iron
1 Scope
This standard specifies the temperature in the production method of ferritic ductile iron -40 ℃ ~ -60 ℃, the chemical composition and heat treatment,
Technical requirements, sampling, test methods, inspection rules, inspection and other castings, quality records, marking and quality certification, rust, packaging, transport
And storage requirements.
This standard applies to sand or sand equivalent thermal conductivity and other low-temperature mold casting ferritic ductile iron, other casting methods
Production of low-temperature ferritic ductile iron can refer to use.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
RT Test Method. Test Part 1 GB/T 228.1 metallic materials tensile
GB/T 229 metal Charpy pendulum impact test method
GB/T 231.1 metallic materials Brinell hardness test - Part 1. Test methods
GB/T 1348 Ductile Iron
GB/T 5677 Steel Castings radiographic testing
GB/T 6060.1 Roughness comparison specimens - Cast surfaces
GB/T 6414 casting dimensional tolerances and machining allowances
GB/T 9441 ductile iron metallography
GB/T 9444 steel castings - Magnetic particle testing
GB/T 11351 casting weight tolerance
GB/T 18851.1 destructive testing - Penetrant testing - Part 1. General
3 production methods, chemical composition and heat treatment
3.1 cryogenic method for producing ferritic ductile iron, chemical composition and heat treatment process, the supplier may decide, but should meet this standard
Mechanical properties required targets. Chemical composition is not cast as a basis for acceptance.
3.2 When the demand side, the chemical composition of the casting, heat treatment methods have special requirements agreed to by both parties.
4. Technical Requirements
Grades and Mechanical Properties of Materials 4.1
Table 4.1.1 cryogenic material grades ferritic Ductile Iron 1 to Table 4.
4.1.2 QT350-22L, QT400-18L single-cast specimens mechanical properties are shown in Table 1.
4.1.3 QT350-22L, impact QT400-18L single-cast sample absorb energy in Table 2.
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