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GB/T 1149.5-2008 English PDF

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Q: Should I purchase the latest version GB/T 1149.5-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1149.5-2008 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$494.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 1149.5-2008: Internal combustion engines -- Piston rings -- Part 5: Inspection measuring principles
Status: Valid

GB/T 1149.5: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 1149.5-2008	494	Add to Cart	4 days	Internal combustion engines -- Piston rings -- Part 5: Inspection measuring principles	Valid
GB/T 1149.5-1992	RFQ	ASK	9 days	Internal combustion engines. Piston rings. Oil control rings	Obsolete

Similar standards

GB/T 1859.1 GB/T 1148 JB/T 6729 GB/T 1149.12 GB/T 1149.11 GB/T 1149.8

Basic data

Standard ID: GB/T 1149.5-2008 (GB/T1149.5-2008)
Description (Translated English): Internal combustion engines -- Piston rings -- Part 5: Inspection measuring principles
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J92
Classification of International Standard: 27.020
Word Count Estimation: 25,271
Date of Issue: 2008-08-11
Date of Implementation: 2009-02-01
Older Standard (superseded by this standard): GB/T 1149.6-1994
Quoted Standard: GB/T 3505; GB/T 4340.3-1999; ISO 6621-1-2007; ISO 4287-1-1984
Adopted Standard: ISO 6621-2-2003, IDT
Regulation (derived from): National Standard Approval Announcement 2008 No.14 (Total No.127)
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 test methods piston rings. This section applies to a cylinder diameter of less than or equal to 200 mm reciprocating internal combustion engines and compressors work under similar conditions of piston rings.

GB/T 1149.5-2008: Internal combustion engines -- Piston rings -- Part 5: Inspection measuring principles

---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.
Internal combustion engines Piston rings Part 5. Inspection measuring principles ICS 27.020 J92 National Standards of People's Republic of China GB/T 1149.5-2008/ISO 6621-2.2003 Replacing GB/T 1149.6-1994 The internal combustion engine piston rings - Part 5. Test methods (ISO 6621-2.2003, IDT) Posted 2008-08-11 2009-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Test Method 1 4.1 General test conditions 1 4.2 piston ring characteristics and test methods 1 References 20 GB/T 1149.5-2008/ISO 6621-2.2003

Foreword

GB/T 1149 "Piston Ring" for the series of standards, divided into sixteen sections. --- Part 1. General rules; --- Part 2. Terminology; --- Part 3. Material specifications; --- Part 4. Quality requirements; --- Part 5. Test methods; --- Part 6. Cast wiper; --- Part 7. rectangular cast iron ring; --- Part 8. rectangular steel ring; --- Part 9. trapezoidal cast iron ring; --- Part 10. trapezoidal steel ring; --- Part 11. Cast iron wedge ring; --- Part 12. wedge-shaped steel ring; --- Part 13. Oil ring; --- Part 14. Spiral spring supporting oil ring; --- Part 15. Cast iron spiral stays reed thin oil ring; --- Part 16. strip combination oil ring. This section GB/T 1149 Part 5. This part identical with ISO 6621-2.2003 "Piston Ring Part 2. test methods" (in English). This section is equivalent translation ISO 6621-2.2003 (English version). For ease of use, this section made the following editorial changes. --- "ISO 6621 this part" to "this Part"; --- Remove the foreword and introduction of international standards. This part of ISO 6621-2.2003 and other international standards adopted, where the country has been adopted as a standard by our standards instead of phase Corresponding to international standards; our country has not been adopted as a standard, still direct use of international standards. This part is GB/T 1149.6-1994 "Piston Ring test methods" revised, this part of the GB/T 1149.6- The main difference is 1994. --- GB/T 1149.6-1994 is equivalent to ISO 6621-2. 1984, and the Department is divided into identical with ISO 6621-2.2003. Since the implementation of this section instead of GB/T 1149.6-1994 "Piston Ring testing methods." This part is proposed by China Machinery Industry Federation. This part of the internal combustion engine by the National Standardization Technical Committee (SAC/TC177) centralized. This section was drafted by. Shanghai Internal Combustion Engine Research Institute, Anqing Dili Bo Bo Geci Piston Ring Co., Ltd., Fujian East Asia Machinery Co., Ltd., Yizheng Piston Ring Co., Ltd. Shandong Heng round piston ring. The main drafters of this section. Su Qing Hua, Wang Xing, Jibin Jie, Yang Guangming, Wu Ding industry, Zhong Junjie. This part of the standard replaces the previous editions are. --- GB 1149-1982, GB/T 1149.6-1994. GB/T 1149.5-2008/ISO 6621-2.2003 The internal combustion engine piston rings - Part 5. Test methods

1 Scope

This section GB/T 1149 specifies the test method for piston rings. This section applies to a cylinder diameter of less than or equal to 200mm reciprocating internal combustion engines and compressors work under similar conditions of living Ring.

2 Normative references

The following documents contain provisions which, through reference to GB/T 1149 to the present, constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 3505 Geometrical product specification the term structure of the surface contours of the surface structure of the law, definitions and parameters (GB/T 3505-2000, eqv ISO 4287.1997) GB/T 4340.3-1999 Vickers hardness test - Part 3. Calibration of hardness blocks (idt ISO 6507-3.1997) 2007 The first part of the internal combustion engine piston ring 1.. ISO 6621-1 term ISO 4287-1. 1984 Surface roughness - Terminology - Part 1. Surface and its parameters

3 Terms and Definitions

Terms and definitions used in this section in accordance with the provisions of ISO 6621-1.

4 test methods

4.1 General test conditions Unless otherwise specified, all test methods should be consistent with the following general conditions. a) a piston ring in a free state should be placed on the plane. In addition to measuring the flatness 4.2.19 and 4.2.20 in Alice givers should not be Additional force exerted on the piston ring; b) Certain tests are placed in the piston ring ring having nominal cylinder diameters, it is carried out under the closed state. When using this When test methods oriented piston rings, the top surface of the ring should be directed to the reference plane; c) test should be used when precision is not more than 10% of the measured dimensional tolerances of the instrument. 4.2 piston ring characteristics and test methods Features/defined test principle / 4.2.1 Central High/m1 m1 GB/T 1149.5-2008/ISO 6621-2.2003 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 1149.5-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 1149.5-2008_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 1149.5-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 1149.5-2008_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 1149.5-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1149.5-2008 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.