GB/T 23515-2009Copper-silver alloy wires for fuse-tube (English PDF)
保险管用银铜合金丝
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
April 8, 2009
Implementation date
February 1, 2010
Scope
GB/T 23515-2009 is the English-translated version of 保险管用银铜合金丝.
GB/T 23515-2009 is the Chinese standard "Copper-silver alloy wires for fuse-tube". Its scope clause reads: This standard specifies the insurance effective silver-copper alloy wire requirements, test methods, inspection rules and signs, packaging, transportation and storage, purchase orders (Or contract) content.
This standard applies to the insurance effective silver-copper alloy wire. Its clauses include requirements.
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Document preview — GB/T 23515-2009
National Standard of the People's Republic of China
- ICS
- 77.120.99
- Classification
- H 68
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Requirements
- 3.1 Categories
- 3.2 Chemical composition
- 3.3 wire surface quality requirements of the product
1 Scope
This standard specifies the insurance effective silver-copper alloy wire requirements, test methods, inspection rules and signs, packaging, transportation and storage, purchase orders (Or contract) content.
This standard applies to the insurance effective silver-copper alloy wire.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 228 metal materials at room temperature tensile test method
GB/T 1424 precious metals and their alloys resistivity test methods
GB/T 15072.2 silver precious metal alloys - Determination of silver content in the alloy of sodium chloride potentiometric titration
GB/T 15077 precious metals and their alloys geometry measurement methods
3 Requirements
3.1 Categories
3.1.1 grade wire products, specifications, state and diameter tolerances
Wire products, brands, specifications (diameter), state and diameter tolerances are shown in Table 1.
Table 1 millimeters
Grade Specification (diameter) Supply Status diameter tolerance
Ag45Cu 0.08 - 0.10 0.14 0.20 0.25 0.32
Ag50Cu - - 0.10 - - 0.25 -
Ag72Cu - 0.09 - 0.14 - 0.25 0.32
Y ± 0.002
3.1.2 tag example
Product by name, grade, status, size of the order is marked, for example.
Silver-copper alloy wire Ag72Cu Y 0.09mm
3.2 Chemical composition
Chemical composition of wire products and tolerances shall comply with the provisions of Table 2.
Table 2
Alloy
Chemical composition (mass fraction) /%
Ag Cu
Ag72Cu 72 ± 0.5 margin
Ag50Cu 50 ± 0.5 margin
Ag45Cu 45 ± 0.5 margin
3.3 wire surface quality requirements of the product
Visually wire surface should be smooth, there should be no prints, pitting, blemishes and discoloration. At 100 times magnification observation, there should be concave hole,
Shaped grooves and dendrites.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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