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GB/T 12718-2009 English PDF

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Upon your order, we will start to translate GB/T 12718-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

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Q: Should I purchase the latest version GB/T 12718-2009?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12718-2009 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.

US$579.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 12718-2009: High-tensile steel chains (round link) for mining
Status: Valid

GB/T 12718: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12718-2009	579	Add to Cart	5 days	High-tensile steel chains (round link) for mining	Valid
GB/T 12718-2001	799	Add to Cart	5 days	High-tensile steel chains (round link) for mining	Obsolete
GB/T 12718-1991	RFQ	ASK	3 days	High-tensile steel chains (round link) for mining	Obsolete

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Basic data

Standard ID: GB/T 12718-2009 (GB/T12718-2009)
Description (Translated English): High-tensile steel chains (round link) for mining
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J81
Classification of International Standard: 21.220.30
Word Count Estimation: 25,283
Date of Issue: 2009-10-30
Date of Implementation: 2010-04-01
Older Standard (superseded by this standard): GB/T 12718-2001
Quoted Standard: GB/T 702; GB/T 905; GB/T 2828.1-2003; GB/T 2829-2002; GB/T 3077; GB/T 3078; GB/T 3159; GB/T 8170; GB/T 10111
Adopted Standard: ISO 610-1990, NEQ
Regulation (derived from): National Standard Approval Announcement 2009 No.12 (Total No.152)
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 terms and definitions for mining high-intensity ring chain, test methods, , Type size, technical requirements for inspection rules and signs, packaging, transport and storage. This standard applies to coal mine scraper conveyor, scraper loader, roadheader, plow, shearer and other mechanical traction chain, does not apply for the lifting chain and hanging chains.

GB/T 12718-2009: High-tensile steel chains (round link) for mining

---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.
High-tensile steel chains (round link) for mining ICS 21.220.30 J81 National Standards of People's Republic of China Replacing GB/T 12718-2001 Mine high-intensity ring chain (ISO 610.1990, High-tensilesteelchains (roundlink) for chainconveyorsandcoalploughs, NEQ) Posted 2009-10-30 2010-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard corresponds to ISO 610.1990 "scraper conveyors and coal plows with high-intensity ring chain" (in English), this Standard with ISO 610. 1990 non-equivalent. This standard replaces GB/T 12718-2001 "Mining High Strength Ring Chain." This standard compared with GB/T 12718-2001 main changes are as follows. --- Adjust the tag content representation method (see 4.4); --- Deleting the expression "when less than 30,000 times, the unit may not be the specimen fracture," the [2001 version 5.7.3c)]; --- Increased the sample position to make long chain sample requirements (see 6.2); --- Increasing the technical requirements of the test device (see 7.1); You do not need to pull off a predetermined ring chain (see 7.3.3) when --- adds test; --- Added experimental data processing requirements (see 7.8); --- Clear surface quality inspection and dimensional inspection of substandard type classification (see 8.5.1,8.5.2); --- Increase the inspection process anomalies approach made provision (see 8.7). Appendix C of this standard is a normative appendix, Appendix A, Appendix B is an informative annex. This standard is proposed and managed by the China Coal Industry Association. This standard is drafted by. Taiyuan Institute of Coal Research Institute. Participated in the drafting of this standard. Ningxia World Benniu Industrial Group Co., Ltd., China Coal Zhangjiakou Coal Mining Machinery Co., Ltd. The main drafters of this standard. Liu wind and thunder, Shi Lan, Zhuangzhan Bin, Han Junling, Cai Yuping, Huang Po, Wang Qing Yuan. This standard replaces the standards previously issued as follows. --- GB/T 12718-1991, GB/T 12718-2001. Mine high-intensity ring chain

1 Scope

This standard specifies the mining high-intensity ring chain (hereinafter referred to as ring chain) terms and definitions, type size, technical requirements, test methods, Inspection rules and signs, packaging, transportation and storage. This standard applies to coal mine scraper conveyor, scraper loader, roadheader, coal plows, shearer and other mechanical traction Chain, does not apply for the lifting chain and chain suspension.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 702 hot-rolled steel bars - Dimensions, shape, weight and tolerances (GB/T 702-2008, ISO 1035-1 ~ 1035-4. 1980, MOD) GB/T 905 cold-drawn round, square, hexagonal size, shape, weight and tolerances (GB/T 905-1994, neqISO 286- 1. 1988) GB/T 2828.1-2003 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample Program (ISO 2859-1.1999, IDT) GB/T 2829-2002 periodic inspection Sampling procedures and tables (suitable for process stability test) GB/T 3077 alloy steel GB/T 3078 quality structural steel cold drawn GB/T 3159 hydraulic universal testing machine GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment GB/T 10111 random number generation and its application in product quality sampling in

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 3.2 In the tensile test the finished chain can withstand the maximum load. 3.3 To test the finished chain, under no circumstances exceed the specified elongation should be able to withstand the specified load. 3.4 Record the measured length or strain gage installation, the load required by the chain tensioner. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 12718-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 12718-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 12718-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 12718-2009_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+ countries

Question 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 Sales@ChineseStandard.net. 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 12718-2009?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12718-2009 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.