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GB/T 31981-2015 English PDF

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US$149.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 31981-2015: Methods of sampling and sample preparation for chemical composition analysis of titanium and titanium alloy
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31981-2015	149	Add to Cart	3 days	Methods of sampling and sample preparation for chemical composition analysis of titanium and titanium alloy	Valid

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Basic data

Standard ID: GB/T 31981-2015 (GB/T31981-2015)
Description (Translated English): Methods of sampling and sample preparation for chemical composition analysis of titanium and titanium alloy
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H64
Classification of International Standard: 77.120.50
Word Count Estimation: 7,792
Date of Issue: 2015-09-11
Date of Implementation: 2016-08-01
Regulation (derived from): National Standard Announcement 2015 No.25
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 sampling methods for the chemical composition analysis of titanium and titanium alloy casting products (including ingots and castings) and processed products. This standard applies to all types of titanium products, chemical composition analysis and sampling.

GB/T 31981-2015: Methods of sampling and sample preparation for chemical composition analysis of titanium and titanium alloy

---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.
Methods of sampling and sample preparation for chemical composition analysis of titanium and titanium alloy ICS 77.120.50 H64 National Standards of People's Republic of China Titanium and titanium alloys - Chemical composition analysis - Sample method 2015-09-11 release 2016-08-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Nonferrous Metals Industry Association. This standard is owned by the National Committee for the Standardization of Nonferrous Metals (SAC/TC243). The drafting of this standard. Baotan Group Co., Ltd., Western Metal Materials Co., Ltd., Baoji Titanium Co., Ltd. The main drafters of this standard. Feng Junning, Chen Feng, Li Xianjun, Li Jian, Dong Yanni, Ma Zhongxian, Hu Zhijie, Yang Junhong, Li Rong. Titanium and titanium alloys - Chemical composition analysis - Sample method

1 Scope

This standard specifies the titanium and titanium alloy casting products (including ingots and castings) and processed products, chemical composition analysis sampling and sample preparation method. This standard applies to all kinds of titanium products, chemical composition analysis sample.

2 requirements

2.1 General requirements The sample should be representative, the sample should be uniform, no other metal and non-metallic inclusions, the sample surface without oil, oxidation and other impact analysis results Of all kinds of foreign objects. 2.2 Quantity The quality of the samples required for chemical composition analysis shall be determined by the number of test methods, laboratory instruments, equipment, and number of analytical elements. Body requirements Normally, the quality of the specimen shall be not less than that specified in Table 1. Table 1 Analysis Project Spectral analysis Chipy Chemical analysis H, O, N analysis Sample quality ≥ 10g ≥ Ф10mm ≥ 5g/element 4, cross-sectional size of not more than 4mm, each 2g ~ 5g 2.3 Geometry 2.3.1 Chip samples The use of mechanical methods from the casting products, processed products and other samples on the preparation of small linear, sheet-like sample, the sample should be uniform. 2.3.2 Block sample A bulk sample is prepared on a sample from a casting product, a processed product, or the like. Sample surface should be smooth, no burr. 2.3.3 powder samples Powder products produced by pulverizing method or powder produced by powder metallurgy, billet prepared by crushing of granular samples. Sample size should be uniform Uniform, and no flat sheet particles.

3 sampling

3.1 sampling position and sampling quantity The sampling position and quantity of chemical composition analysis of various products should meet the requirements of the product standard. When the product standard is not specified, According to the following provisions. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 31981-2015_English be delivered?

Answer: Upon your order, we will start to translate GB/T 31981-2015_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 GB/T 31981-2015_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 31981-2015_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.