GB/T 33951-2017 in English

VALID

Copper alloy rod and wire for precision telecommunications equipment and instrument

Issued on:2017-07-12
Implemented on:2018-02-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $220.00
$214.00

Standard No:	GB/T 33951-2017
Document status:	VALID
Title in English:	Copper alloy rod and wire for precision telecommunications equipment and instrument
Title in Chinese:	精密仪器仪表和电讯器材用铜合金棒线
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2017-07-12
Implemented on:	2018-02-01
ICS Classification:	77.150.30-Copper products
Chinese Classification:	H62-Heavy metals and their alloys
Professional Classification:	GB-National Standard
Related Keywords:	precision telecommunications equipment copper alloy rod telecommunications equipment telecommunications equipment industries copper alloy rods
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《GB/T 33951-2017精密仪器仪表和电讯器材用铜合金棒线》由TC243（全国有色金属标准化技术委员会）归口，TC243SC2（全国有色金属标准化技术委员会重金属分会）执行，主管部门为中国有色金属工业协会。

Introduction

Interpretation of the National Standard for Copper Alloy Rods and Wires for Precision Instruments and Telecommunications Equipment

1. Background and Significance of Standard Formulation

With the rapid development of the precision instruments and telecommunications equipment industries, the demand for high-performance copper alloy materials is increasing. The formulation of GB/T 33951-2017 fills the gap in the domestic market in this field and provides a unified technical specification for the production and application of related products.

2. Comparison of standard frameworks

Standard dimensions	GB/T 33951—2017	Comparison standards	Advantage analysis
Chemical composition requirements	QMn 11-3.5-1.5 chemical composition is accurate to two decimal places	GB/T 5231 general standard	More stringent, adapted to the needs of precision instruments
Mechanical performance indicators	Tensile strength and elongation after break are classified according to different diameters	General industry requirements	More detailed, convenient for practical application
Electrical performance requirements	Resistivity and thermal emf rate are clarified to specific numerical ranges	Reference to international standards	Closer to actual domestic application scenarios

3. Standard Implementation Suggestions

Manufacturer:

Strictly carry out chemical composition testing according to standard requirements to ensure that material properties meet the requirements
Optimize the production process, especially the diameter control and straightness inspection links
Establish a complete quality traceability system to ensure that each batch of products can be traced

Purchaser:

Specify the technical requirements in the order form and avoid vague descriptions
Strengthen incoming inspection, especially the test of electrical performance indicators
Establish a long-term supplier evaluation mechanism to ensure the stability of the supply chain

Testing agency:

Equipped with advanced testing equipment, especially resistivity and thermal emf test instruments
Develop standardized testing procedures to ensure objective and fair data
Provide technical consulting and training services to help companies improve their quality management level

More samples: DL/T 5154-2012 JJG 21-2008 JC/T 2453-2018

Sample only — not a preview of GB/T 33951-2017

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