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YS/T 291-2012: Hardmetal blanks used for necking dies of standard bolt
Status: Valid YS/T 291: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 291-2012 | English | 239 |
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3 days [Need to translate]
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Hardmetal blanks used for necking dies of standard bolt
| Valid |
YS/T 291-2012
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| YS/T 291-1994 | English | 239 |
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2 days [Need to translate]
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As-sintered hard metal blanks used in reducing dies for standard bolt
| Obsolete |
YS/T 291-1994
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PDF similar to YS/T 291-2012
Basic data | Standard ID | YS/T 291-2012 (YS/T291-2012) | | Description (Translated English) | Hardmetal blanks used for necking dies of standard bolt | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H72 | | Classification of International Standard | 77.160 | | Word Count Estimation | 9,993 | | Older Standard (superseded by this standard) | YS/T 291-1994 | | Quoted Standard | GB/T 1804-2000; GB/T 5242; GB/T 5243 | | Regulation (derived from) | Ministry of Industry and Information Technology Bulletin 2012 No. 70; industry standard filing Notice 2013 No. 3 (total 159) | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the standard bolt necking dies carbide blanks requirements, test methods, inspection rules, marking, packaging, transport, storage and quality certificates and contracts (or orders) content. This standard applies to M3 ~ M20 standa | YS/T 291-2012: Hardmetal blanks used for necking dies of standard bolt---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.
Hardmetal blanks used for necking dies of standard bolt
ICS 77.160
H72
People's Republic of China Nonferrous Metals Industry Standard
Replacing YS/T 291-1994
Standard bolt necking Die Carbide rough
Issued on. 2012-12-28
2013-06-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Instead of the standard YS/T 291-1994 "standard bolt necking Die Carbide rough," This standard YS/T 291-1994 phase
Technology than the main changes are as follows.
--- Modify the model represents a rule;
--- Revised the tolerance range;
--- Increasing the cylinder of product requirements;
--- Increasing the height of the product direction parallelism tolerance;
--- Increasing the outer and inner roundness product requirements;
--- D1 and 20 ° increased the tolerance level;
--- Modify the work site and the non-working parts of the edge off angle off length (width) requirements;
--- Cancel the section organizational requirements;
--- Increasing the quality of the content certificate;
--- Increase the contents of the contract (or purchase order) of.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard was drafted. Zhuzhou Cemented Carbide Group Co., Ltd., Xiamen Golden Egret Special Alloy Co., Ltd.
The main drafters of this standard. Deng Kai, Liang Hong, Yang Jianguo, Zhao Sheng Chi, Wu Qishan, Zhang Shi Ping, Liu Xinyu.
This standard replaces the standards previously issued as follows.
--- YS/T 291-1994.
Standard bolt necking Die Carbide rough
1 Scope
This standard specifies the standard bolt necking die with carbide blanks requirements, test methods, inspection rules, marking, packaging, transportation, storage
Keeping and quality certificate and contract (or purchase order) content.
This standard applies to M3 ~ M20 standard bolt diameter reduced Carbide rough mold used.
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.
GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without individual tolerance
GB/T 5242 carbide products inspection rules and test methods
GB/T 5243 carbide product logo, packaging, transportation and storage
3 Requirements
3.1 Model presentation rules
Represented by the letters BS standard bolt Die Carbide rough necking, necking standard bolt Die Carbide rough model by the
Category Codes (BS), the inner diameter (d), the outer diameter (D), consisting of four parts height (H).
Example. an inner diameter of 2.1mm, an outer diameter of 14.0mm, 15.0mm height standard bolt necking die Carbide product model is expressed as.
BS2.1 × 14.0 × 15.0
3.2 References, dimensions
The product is shown in Figure 1, the product model are shown in Table 1.
Figure 1 a schematic view of a standard bolt necking die Carbide blanks
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of YS/T 291-2012_English be delivered?Answer: Upon your order, we will start to translate YS/T 291-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of YS/T 291-2012_English with my colleagues?Answer: Yes. The purchased PDF of YS/T 291-2012_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 YS/T 291-2012?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 291-2012 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.
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