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GB/T 27675-2011Designation system for aluminium and aluminium alloys composite sheets, strips and foils (English PDF)

铝及铝合金复合板、带、箔材牌号表示方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 30, 2011

Implementation date

October 1, 2012

Scope

GB/T 27675-2011 is the English-translated version of 铝及铝合金复合板、带、箔材牌号表示方法.

GB/T 27675-2011 is the Chinese standard "Designation system for aluminium and aluminium alloys composite sheets, strips and foils". Its scope clause reads: This standard specifies the composite aluminum and aluminum alloy sheet, strip, foil grades representation.

This standard applies to aluminum and aluminum alloy composite sheet, strip, foil. Its clauses include references; terms and definitions; requirements.

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Document preview — GB/T 27675-2011

National Standard of the People's Republic of China

ICS: 77.150.10
Classification: H 60

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 References
3 Terms and Definitions
4 Requirements

1 Scope

This standard specifies the composite aluminum and aluminum alloy sheet, strip, foil grades representation.

This standard applies to aluminum and aluminum alloy composite sheet, strip, foil.

2 References

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 16474 Wrought aluminum and aluminum alloy grades representation

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Composite board, strip, foil compositesheets, strips, foils

Plate is made of two or more aluminum and aluminum alloy after processing a composite made of tape, foil (hereinafter referred to as composites).

3.2 Cladding layer cladding

Brazing or play the role of the special requirements of the surface of the composite material.

3.3 Matrix matrixaloy

Play the role in the composite structure of the core layer.

4 Requirements

Grade press on the surface layer to the next line in order of appearance cladding material layers of material grades manner, said clad layer alloy matrix alloy grades table

Display method according to GB/T 16474 execution. As cladding layer 4343 alloy, 3003 alloy matrix composite material coated on one side is represented as

4343/3003; double-sided cladding layer 4004 alloy, 3003 alloy matrix is a two-sided clad composite material is expressed as 4004/3003 /

4004; as the upper and lower cladding layers, respectively 4045 and 7072 alloy, 3003 alloy matrix is a two-sided clad composite material is expressed as 4045 /

3003/7072. New, Old grades table in Appendix A.

GB/T 27677-2017 | GB/T 32468-2015 | GB/T 26492.1-2011 | GB/T 45868-2025 | GB/T 27670-2011 | […]

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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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