GB/T 27670-2011Clad aluminium alloy welded tubes for heat exchangers of vehicles (English PDF)
车辆热交换器用复合铝合金焊管
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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 27670-2011 is the English-translated version of 车辆热交换器用复合铝合金焊管.
GB/T 27670-2011 is the Chinese standard "Clad aluminium alloy welded tubes for heat exchangers of vehicles".
Its scope clause reads: This standard specifies the vehicle heat exchanger aluminum composite pipe (hereinafter referred to as pipe) requirements, test methods, inspection rules and standards Chi, packaging, transportation, storage and quality certificate with your order (or contract) content.
This standard applies to pipes aluminum composite strip after continuous roll forming, by welding steel. Its clauses include requirements.
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Document preview — GB/T 27670-2011
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
Contents
- 1 Scope
- 2 Normative references
- 3 Requirements
- 3.1 Categories
1 Scope
This standard specifies the vehicle heat exchanger aluminum composite pipe (hereinafter referred to as pipe) requirements, test methods, inspection rules and standards
Chi, packaging, transportation, storage and quality certificate with your order (or contract) content.
This standard applies to pipes aluminum composite strip after continuous roll forming, by welding steel.
2 Normative 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 228 metal materials at room temperature tensile test method
GB/T 246 metal pipe Flattening test methods
GB/T 3199 aluminum and aluminum alloy products - Packing, marking, transportation and storage
GB/T 5126 aluminum and aluminum alloy cold-drawn thin-walled pipe eddy current testing method
GB/T 16865 wrought aluminum, magnesium and their alloys processed products tensile test specimens
GB/T 20975 chemical analysis of aluminum and aluminum alloys
YS/T 446 brazed aluminum heat exchanger composite foil strip
3 Requirements
3.1 Categories
3.1.1 Class, codes and specifications
Welded category, code, cross-sectional dimensions should be in accordance with Table 1, the radiator and oil cooler oval tube shown in Figure 1, intercooler rectangular Opinion
2, parallel flow diagram condenser collector tube shown in Figure 3. When the demand side needs the other grades, status and specifications, after consultation by both parties in order to determine
Manifest (or contract) specifically indicated.
Table 1
Product Category Code
Sectional dimension/mm
A major axis minor axis B side height C radius R outer diameter D and the thickness t
Radiator elliptical tube R ×× a 12 ~ 42 1.35 ~ 2.7 1.2 ~ 2.5
Oil cooler oval tube O ×× a 12 ~ 80 2.70 ~ 6.00 2.50 ~ 5.80
Intercooler rectangular tube C ×× a 25 ~ 120 4.0 ~ 11.0 3.4 ~ 10.4
Side height
- 0.22 to 0.45
- 0.40 - 0.80
- 0.40 to 0.60
Parallel flow condenser
Manifold pipe
P ×× b - - - >=2.5t 18 ~ 34 1.0 ~ 1.6 a "××" with the long axis of the pipe size to represent.
b "××" with a pipe diameter size to represent.
GB/T 27677-2017 | GB/T 32468-2015 | GB/T 26492.1-2011 | GB/T 45868-2025 | GB/T 27675-2011 | […]
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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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