GB/T 4182-2017 English PDF

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GB/T 4182-2017: Molybdenum wire
Status: Valid

GB/T 4182: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4182-2017	279	Add to Cart	3 days	Molybdenum wire	Valid
GB/T 4182-2003	399	Add to Cart	3 days	Molybdenum wire	Obsolete
GB/T 4182-1997	439	Add to Cart	4 days	Molybdenum wires	Obsolete
GB/T 4182-1984	RFQ	ASK	3 days	Molybdenum wires	Obsolete

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GB/T 4325.7   GB/T 4325.8   GB/T 4325.6   GB/T 3459   GB/T 3460   

Basic data

Standard ID: GB/T 4182-2017 (GB/T4182-2017)
Description (Translated English): Molybdenum wire
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H63
Classification of International Standard: 77.150.99
Word Count Estimation: 14,131
Date of Issue: 2017-07-12
Date of Implementation: 2018-06-01
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 4182-2017: Molybdenum wire

---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 wire ICS 77.150.99 H63 National Standards of People's Republic of China Replacing GB/T 4182-2003 Molybdenum wire 2017-07-12 released 2018-06-01 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 replaces GB/T 4182-2003 "molybdenum wire". This standard and GB/T 4182-2003 compared to the main changes are as follows. --- increased the definition of molybdenum wire and white molybdenum wire; --- increased MoLa, MoY and MoK grades and requirements; --- increase the line cutting, spraying molybdenum wire at room temperature mechanical performance requirements; --- increase the diameter of 1800μm ~ 5000μm size requirements; --- increase the diameter of more than 400μm minimum length requirements; --- increase the thermal brittleness performance requirements and test methods; --- increase the shelf life of the storage requirements. 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 standard drafting unit. Xiamen Honglu tungsten and molybdenum Industry Co., Ltd., Jinduicheng Molybdenum Co., Ltd., Jinduicheng Molybdenum Industry (Shandong) Co., Ltd., Zigong Carbide Co., Ltd., Beijing Tianlong Tungsten Molybdenum Technology Co., Ltd., Beijing Mining and Metallurgy Research Institute. The main drafters of this standard. Peng Fusheng, Li Fengjin, Pan Xiaofeng, Tang Jin, Wu Jianhong, Li Shiwei, Huang Lifeng, Dong Ping, Su Guoping, Zhong Ming, Wang Luyan, Zhang Shengjie. This standard replaced the previous version of the standard release. GB/T 4182-1997, GB/T 4182-2003. Molybdenum wire

1 Scope

This standard specifies the product classification and marking of molybdenum wire, requirements, test methods, inspection rules, packaging, marking, storage, transportation and quality Book, contract (or order) content. This standard applies to the use of lighting core, bulb components and molybdenum foil, vacuum electronic devices, spraying, heating elements, welding electrodes, high temperature structure Pieces, wire cutting, printer needle, etc. with molybdenum wire.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Metallic materials - Tensile testing - Part 1. Test methods for room temperature GB/T GB/T 2828.1-2012 Count Sampling Inspection Procedures Part 1. Batch Inspection Sampling by Reception Quality Limit (AQL) plan GB/T 4325 (all parts) molybdenum chemical analysis method

3 terms and definitions

The following terms and definitions apply to this document. 3.1 After the drawing on the reel or around the wire into the coil of molybdenum metal wire, or diameter less than 0.40mm small length of molybdenum material. 3.2 Through the electrolysis, chemical treatment, annealing, etc. to remove the surface of the graphite coating, the surface was silver or silver-white molybdenum wire.

4 Classification and marking

Classification and classification of molybdenum wire Molybdenum wire can be divided into three grades according to the diameter tolerance requirements, molybdenum wire processing state can include drawing, straightening, annealing, electrolysis and chemical Reason. The molybdenum wire grading and classification marking method is shown in Table 1. Table 1 Molybdenum wire grading and classification marking method Classification Marking Method Classification markings Ⅰ grade Ⅰ drawing D Grade II Straightening ......

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