COPPER TUBES EXPANDED IN ENDS
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Specifications.
BS EN 12449:1999 Copper and copper alloys. Seamless, round tubes for general purposes.
Cu-DHP with the chemical composition of BS EN 12449:1999;
SF-Cu with the chemical composition of DIN 1787-73 (repealed).
Method of manufacturing: expanded
Purpose: General purpose tubes (used in various industries).
Requirements:
Outside diameter - 4 mm to 50 mm inclusive *
Wall thickness - 0.5 mm to 7.0 mm inclusive *
Length - 1500 mm to 6000 mm *
The geometric dimensions according to BS EN 12449:1999.
State and mechanical properties of the material:
Designation
|
State |
Ultimate strength, MPa, no less |
Relative
|
BS EN 12449:1999 |
R200 |
200 |
40 |
R290 |
290 |
5 | |
The technical requirements for harmonization |
F22 |
220 |
40 |
F29 |
290 |
6 |
The outer and inner surface of the tubes must be clean and smooth.
The tubes should be sealed. Control discontinuities produced by the eddy current flaw detector (for tubes with wall thickness of 3 mm).
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* Requirements for the geometric dimensions of tubes negotiate with the customer when ordering.
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