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GB/T 4185: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4185-2017 | English | 359 |
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Molybdenum-tungsten alloy bars and rods
| Valid |
GB/T 4185-2017
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| GB/T 4185-1984 | English | 159 |
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Molybdenum tungsten alloy bars
| Obsolete |
GB/T 4185-1984
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PDF similar to GB/T 4185-2017
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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