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JJG 1047-2009 English PDF

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Q: Should I purchase the latest version JJG 1047-2009?

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US$419.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJG 1047-2009: Metallic Knoop Hardness Testers
Status: Valid

JJG 1047: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJG 1047-2009	419	Add to Cart	3 days	Metallic Knoop Hardness Testers	Valid
JJG 1047-1994	RFQ	ASK	3 days	Calibration Specification for Magnetic Coupling Measuring Transducer of DC Current	Obsolete

Similar standards

GB/T 36126 JJG 1038 GB/T 1885 JJG 1045 JJG 1048 JJG 1037

Basic data

Standard ID: JJG 1047-2009 (JJG1047-2009)
Description (Translated English): Metallic Knoop Hardness Testers
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A53
Classification of International Standard: 17.100
Word Count Estimation: 18,184
Date of Issue: 2009-07-30
Date of Implementation: 2009-10-30
Quoted Standard: ISO 4545-1-2005; ISO 4545-2-2005; ISO 4545-3-2005; JJG 144-2007
Regulation (derived from): AQSIQ Announcement No. 78 of 2009
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to test force range 0. 09807N to 19. 614N fixed metal Knoop hardness of the initial verification, testing and use of follow-up inspection.

JJG 1047-2009: Metallic Knoop Hardness Testers

---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.
Metallic Knoop Hardness Testers State verification procedures People's Republic of China Metal Knoop hardness Posted 2009-07-30 2009-10-30 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Metal Knoop hardness test procedures Knoop The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on July 30, 2009, and from From October 30, 2009 into effect. NFP. National strength, hardness measurement technology committee Main drafting unit. Shanghai Institute of Measurement and Testing China Institute of Metrology Participated in the drafting unit. China Aviation Industry Corporation No. 304 Institute On Haitai Ming Optical Instrument Co., Ltd. Shanghai Hengyi Precision Instrument Co., Ltd. Shanghai Hao Micro-Optoelectronics Technology Co., This procedure entrust national force, hardness measurement technical committee responsible for the interpretation The main drafters of this procedure. Yu Weiliang (Shanghai Institute of Measurement and Testing) Liu Jiping (China Institute of Metrology) Drafters participate. Shi Wei (China Aviation Industry Corporation No. 304 Institute) Choi Ma Liang (on Haitai Ming Optical Instrument Co., Ltd.) Xu Yongliang (Shanghai Hengyi Precision Instrument Co., Ltd.) Yao Gang (Shanghai Hao Micro-Optoelectronics Technology Co.)

1 Scope (1) 2. Referenced Documents (1) 3 Overview (1) 4 metering performance requirements (2) 4.1 Test Force (2) 4.2 indenter (2) 4.3 indentation means (3) 4.4 shows the value of the maximum permissible error and Repeatability (3) 5 General technical requirements (4) 6 Control of measuring instruments (4) 6.1 Verification condition (4) 6.2 test items and test methods (5) 6.3 Verification Results Processing (7) 6.4 test cycle (7) Appendix A Knoop hardness test force test recording format (8) Appendix B shows the Knoop hardness test value recording format (9) Appendix C Knoop diamond indenter test recording format (10) Appendix D Knoop hardness test certificate within the page format (11) Appendix E Knoop hardness test results in the notice page format (12) Appendix F Knoop diamond indenter test certificate and test results in the notice page format (13) Metal Knoop hardness test procedures

1 Scope

This procedure is applied to the test force range 0.09807N 19.614N fixed Knoop hardness of the metal for the first time Test, follow-up and verification in test use.

2 Citations

The regulations cited in the following documents. ISO 4545.1-2005 Metalicmaterials-Knoophardnesstest-Part 1. Testmethod (. Test methods for metallic materials Knoop hardness test - Part 1) ISO 4545.2-2005 Metalicmaterials-Knoophardnesstest-Part 2. Verification andcalibrationoftestingmachine (Knoop hardness test of metallic materials Part 2. Verification and calibration of hardness) ISO 4545.3-2005 Metalicmaterials-Knoophardnesstest-Part 3. Calibration ofreferenceblocks (metal materials Knoop hardness test - Part 3. Standard Calibration quasi hardness block) JJG 144-2007 standard dynamometer test procedures Should pay attention to the use of this procedure by using the currently valid version of the documents cited.

3 Overview

Metal Knoop hardness (hereinafter referred to as hardness) suitable for Knoop hardness measurement of various metallic materials. Knoop hardness test principle. the angle α between the top two ribs and β 172.5 ° angle of 130 ° diamond pyramid Indenter using a predetermined test force into the surface of the sample, after a certain period of holding removable test force (see Figure 1). test Suppliers force divided by the surface area of the specimen is projected indentation Knoop hardness. Long diagonal measurement of the indentation in the actual operation Degrees, according to the formula (1) to calculate the Knoop hardness values. HK = 0.102 = 0.102 cd2 ≈1.451 d2 (1) Where. HK --- Knoop hardness symbol; F --- test force, N; S --- indentation projected area, mm2; d --- long indentation diagonal length, mm; c --- indenter constant = tanβ 2tan With the projected area of the indentation with a long diagonal length about the square calculation. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJG 1047-2009_English be delivered?

Answer: Upon your order, we will start to translate JJG 1047-2009_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 JJG 1047-2009_English with my colleagues?

Answer: Yes. The purchased PDF of JJG 1047-2009_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 JJG 1047-2009?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 1047-2009 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.