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GB/T 4181-2017 English PDF

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GB/T 4181-2017: Tungsten wires
Status: Valid

GB/T 4181: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 4181-2017English359 Add to Cart 4 days [Need to translate] Tungsten wires Valid GB/T 4181-2017
GB/T 4181-1997English479 Add to Cart 3 days [Need to translate] Tungsten wires Obsolete GB/T 4181-1997
GB 4181-1984English399 Add to Cart 3 days [Need to translate] Tungsten wires Obsolete GB 4181-1984

PDF similar to GB/T 4181-2017


Standard similar to GB/T 4181-2017

GB/T 4184   GB/T 5838.43   GB/T 5593   GB/T 4185   

Basic data

Standard ID GB/T 4181-2017 (GB/T4181-2017)
Description (Translated English) Tungsten wires
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L90
Classification of International Standard 31.030
Word Count Estimation 18,169
Date of Issue 2017-07-31
Date of Implementation 2018-02-01
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

GB/T 4181-2017: Tungsten wires

---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.
Tungsten wires ICS 31.030 L90 National Standards of People's Republic of China Replacing GB/T 4181-1997 Tungsten 2017-07-31 Posted 2018-02-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard is written in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 4181-1997. Compared with GB/T 4181-1997, the main changes are as follows. --- Modify the material grades, divided according to the chemical composition of WK80, WK60, WK40 and W1 total of 4 brands, and increase Correspondence with the original type of high temperature performance appendix (see Chapter 3); --- Increased G category, and gives the recommended use (see 3.1 and Chapter 8); --- Modify the chemical composition of the impurity element content of the provisions of the impurity elements from the original "other impurities not more than the sum of elements 0.05%, each impurity element content of not more than 0.01%. "Instead, it contains 20 elements including the added elements Si, Al, and K Provisions (see 4.1); This standard applies to electric light sources and electronic devices in the filament, hot wire, grid, spring, bracket, lead, tungsten hinge wire, heating sub, high temperature components, Furnace heating materials with black tungsten and white tungsten wire.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 228.1 tensile testing of metallic materials - Part 1. room temperature test method GB/T 2828.1-2012 Sampling procedures for inspection - Part 1 - Batch-by-lot inspection by acceptance quality limit (AQL) plan GB/T 4194 tungsten filament creep test, high temperature treatment and metallographic examination methods GB/T 4324 Methods for chemical analysis of tungsten YS/T 515 Tungsten drop test method 3 product brand, type, status, recommended use and product markings 3.1 product grades, types, status and recommended use Tungsten grades, type and status as shown in Table 1. Recommended use see Table 2. Table 1 Grade type status Drawing wire electrolytic polishing wire straightening wire WK80 G, T, L, WDES WK60 T, L, WDES

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Question 5: Should I purchase the latest version GB/T 4181-2017?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4181-2017 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.