|
US$319.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 32251-2024: Investment casting process - Pollutants control
Status: Valid GB/T 32251: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32251-2024 | English | 319 |
Add to Cart
|
4 days [Need to translate]
|
Investment casting process - Pollutants control
| Valid |
GB/T 32251-2024
|
| GB/T 32251-2015 | English | 239 |
Add to Cart
|
3 days [Need to translate]
|
Investment casting process -- Pollutants control
| Obsolete |
GB/T 32251-2015
|
PDF similar to GB/T 32251-2024
Basic data | Standard ID | GB/T 32251-2024 (GB/T32251-2024) | | Description (Translated English) | Investment casting process - Pollutants control | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J31 | | Word Count Estimation | 16,139 | | Date of Issue | 2024-08-23 | | Date of Implementation | 2024-08-23 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 32251-2024: Investment casting process - Pollutants control---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.
Control of Contaminants in Investment Casting Process
ICS 77.140.80
CCS J 31
National Standard of the People's Republic of China
Replace GB/T 32251-2015
Released on 2024-08-23
2024-08-23 implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface ... Ⅲ
1 Scope ... 1
2 Normative references ... 1
3 Terms and Definitions 2
4 Types of pollutants and emission limits ... 2
5 Pollutant Monitoring Requirements ... 4
6 Pollutant Monitoring Sampling and Detection Methods ... 4
6.1 Pollutant Monitoring and Sampling ... 4
6.2 Detection Methods 4
7 Pollutant Protection Measures ... 5
7.1 Pollutant protection measures during wax model preparation 5
7.2 Pollutant protection measures during shell (core) preparation process ... 5
7.3 Pollutant protection measures during smelting and casting 6
7.4 Pollutant protection measures during cleaning and repair 6
7.5 Pollutant protection measures during casting quality inspection process ... 6
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting is required.
This document replaces GB/T 32251-2015 "Control of contaminants in investment casting processes". Compared with GB/T 32251-2015,
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
Changed the scope (see Chapter 1, Chapter 1 of the.2015 edition); a)
Added pollutant types and emission limit requirements (see Chapter 4); b)
Increased pollutant monitoring requirements (see Chapter 5); c)
Added pollutant monitoring sampling and detection methods (see Chapter 6); d)
Deleted mold materials, mold material preparation, melting and recycling, core preparation, investment mold assembly and cleaning (see the.2015 edition
3.1, 3.2, 3.3 and 3.4);
e)
Added pollutant protection measures in the wax model preparation process (see 7.1); f)
The contaminant protection measures in the shell (core) preparation process have been changed (see 7.2, 3.5 of the.2015 edition); g)
Modified the contaminant protection measures in the melting and pouring process (see 7.3, 3.6 of the.2015 edition); h)
Changed the pollution protection measures during cleaning and finishing (see 7.4, 3.7 of.2015 edition); i)
Changed the pollutant protection measures in the casting quality inspection process (see 7.5, 3.8 of the.2015 edition); j)
Deleted the emission of pollutants (see 3.9 of the.2015 version). k)
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee on Foundry Standardization (SAC/TC 54).
This document was drafted by. China Machinery Engineering Institute Group Shenyang Foundry Research Institute Co., Ltd., Shanghai Aerospace Precision Machinery Research Institute, Anhui Province
Ningguo Zhongrui Wear Resistant Materials Co., Ltd., Dongfeng Precision Casting Co., Ltd., Jiashan Xinhai Precision Casting Co., Ltd., Zhejiang Suijin Special Casting
Co., Ltd., Dongying Jiayang Precision Metal Co., Ltd., Ningbo Baisai Power Technology Co., Ltd., Zhejiang Boda Industry and Trade Co., Ltd., Gui
Anji Aviation Precision Casting Co., Ltd., Luoyang Hanghui New Materials Co., Ltd., Lanzhou Lanshi Testing Technology Co., Ltd., Fujian Top
Detection Technology Co., Ltd., Shanghai Jiaotong University, Dalian Jiaotong University, Shenyang University of Technology, China Power Construction Group Changchun Power Generation Equipment Co., Ltd.
Guangdong Hunter Valley Precision Casting Technology Co., Ltd., Jiangsu Kate Auto Parts Co., Ltd., Wenzhou Wanhong Valve Co., Ltd., Wenzhou
Xinsen Special Steel Co., Ltd., Botou Qingfeng Machinery Co., Ltd., Beijing Institute of Aeronautical Materials Co., Ltd., Anhui Wanguan Casting Co., Ltd.
Company, Xi'an Hangfa Precision Casting Co., Ltd., CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co., Ltd.
The main drafters of this document are. Zhao Jun, Liu Shibing, Yu Guokang, Fu Ying, Ma Bo, Wu Zhiling, Wang Donghong, Jiang Miao, Chen Zhigang,
Chen Haijun, Dong Yin, Duan Jidong, Ai Xiulan, Meng Fanrong, Xu Hongli, Yan Qiming, Wang Peihua, Zhang Jianxiong, Chi Liangong, Luo Hongneng,
Wang Zheng, Ning Erbin, Wu Guangpeng, Lin Jin, Ji Keli, Luo Xiaoxiao, Zhang Huichun, Li Ping, Li Shujun, Huang Hongjun, Li Shaochu, Zheng Xianghua,
Na Yue, Huang Shujia, and Jiang Tianfang.
This document was first published in.2015 and this is the first revision.
Control of Contaminants in Investment Casting Process
1 Scope
This document specifies the types of pollutants generated during the investment casting production process, emission limits, monitoring requirements, monitoring sampling and testing methods.
and protective measures.
This document applies to the control of contaminants generated during the investment casting process.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies.
in this document.
GB/T 5611 Casting Terminology
GB 7466 Determination of total chromium in water
GB 7467 Water quality - Determination of hexavalent chromium - Diphenylcarbazide spectrophotometric method
GB 7475 Water quality - Determination of copper, zinc, lead and cadmium - Atomic absorption spectrophotometry
GB 8978 Comprehensive sewage discharge standard
GB/T 11893 Water quality-Determination of total phosphorus-Ammonium molybdate spectrophotometric method
GB/T 11901 Water quality - Determination of suspended solids - Gravimetric method
GB/T 11911 Water quality-Determination of iron and manganese-Flame atomic absorption spectrophotometry
GB/T 11912 Water quality-Determination of nickel-Flame atomic absorption spectrophotometry
GB 12348 Environmental noise emission standard for industrial enterprises
GB/T 15432 Determination of total suspended particulate matter in ambient air by gravimetric method
GB/T 16157 Determination of particulate matter in exhaust gas from stationary sources and sampling methods for gaseous pollutants
GB 39726 Emission standard of air pollutants for foundry industry
GBZ /T 189.4 Measurement of physical factors in the workplace Part 4.Laser radiation
GBZ /T 189.8 Measurement of physical factors in the workplace Part 8.Noise
HJ 38 Determination of total hydrocarbons, methane and non-methane hydrocarbons in waste gas from stationary pollution sources - Gas chromatography
HJ/T 55 Technical Guidelines for Monitoring Fugitive Emissions of Air Pollutants
HJ/T 56 Determination of sulfur dioxide in exhaust gas from stationary sources - Iodine titration method
HJ/T 92 Technical Specification for Monitoring Total Amount of Water Pollutant Discharge
HJ 485 Water quality - Determination of copper - Sodium diethyldithiocarbamate spectrophotometric method
HJ 535 Water quality-Determination of ammonia nitrogen-Nessler's reagent spectrophotometric method
HJ 537 Determination of ammonia nitrogen in water - Distillation-neutralization titration method
HJ 549 Determination of hydrogen chloride in ambient air and waste gas - Ion chromatography
HJ 601 Determination of formaldehyde in water - Acetylacetone spectrophotometric method
HJ 604 Determination of total hydrocarbons, methane and non-methane hydrocarbons in ambient air Direct injection ﹘ gas chromatography
HJ 629 Determination of sulfur dioxide in waste gas from stationary pollution sources - Non-dispersive infrared absorption method
HJ 636 Water quality - Determination of total nitrogen - Alkaline potassium persulfate digestion - UV spectrophotometry
HJ 637 Water quality-Determination of petroleum and animal oils-Infrared spectrophotometry
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 32251-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 32251-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 32251-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 32251-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. Question 5: Should I purchase the latest version GB/T 32251-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 32251-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.
|