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GB/T 4185-2017 English PDF

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GB/T 4185-2017: Molybdenum-tungsten alloy bars and rods
Status: Valid

GB/T 4185: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 4185-2017English359 Add to Cart 4 days [Need to translate] Molybdenum-tungsten alloy bars and rods Valid GB/T 4185-2017
GB/T 4185-1984English159 Add to Cart 2 days [Need to translate] Molybdenum tungsten alloy bars Obsolete GB/T 4185-1984

PDF similar to GB/T 4185-2017


Standard similar to GB/T 4185-2017

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Basic data

Standard ID GB/T 4185-2017 (GB/T4185-2017)
Description (Translated English) Molybdenum-tungsten alloy bars and rods
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L90
Classification of International Standard 31.030
Word Count Estimation 18,155
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 4185-2017: Molybdenum-tungsten alloy bars and rods

---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.
Molybdenum-tungsten alloy bars and rods ICS 31.030 L90 National Standards of People's Republic of China Replaces GB 4185-1984, GB/T 4186-2002 Molybdenum tungsten alloy bars and rods 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 was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB 4185-1984 "molybdenum tungsten alloy bar" and GB/T 4186-2002 "molybdenum tungsten alloy rod." Compared with the original standard, the Lord The technical changes are as follows. --- Use an increase of molybdenum tungsten wire cutting billet; --- The main impurity elements increased the species and the maximum content requirements; --- brand added MoW30 grades; --- One additional specification of a specification, expanding the product specifications and length; --- A clear measurement of straightness; --- Increasing the normative reference standard GB/T 191; --- Alloy rod made the largest diameter to expand the adjustment, the smallest diameter has been reduced to adjust; --- Increased the standard polished rod roughness; --- Increased by eddy current flaw detection testing standards; --- Added Appendix A, Appendix B, Appendix C. Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents. This standard by the People's Republic of China Ministry of Industry and Information Technology (E) centralized. This standard by Chengdu Hongbo Industrial Co., Ltd., China Electronics Standardization Institute is responsible for drafting. The main drafters of this standard. Zhao Denghua, Liu Yun, Wang Jinsong. This standard replaces the standards previously issued as. --- GB 4185-1984; --- GB/T 4186-2002. Molybdenum tungsten alloy bars and rods

1 Scope

This standard specifies the molybdenum-tungsten alloy bar, molybdenum-tungsten alloy rod (hereinafter referred to as molybdenum tungsten alloy) requirements, test methods, inspection rules, packaging, standard Knowledge, storage and transportation. This standard applies to the manufacture of tubes and electric light source parts and leads with molybdenum tungsten alloy bar, molybdenum tungsten alloy rod, but also for the production line cutting Molybdenum tungsten alloy wire cut Molybdenum alloy strip.

2 Normative references


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