Plumbing Copper Tubes – BS EN 1057

Material Analysis

• Material Grade Phosphorus de-oxidised copper; Cu-DHP or CW024A as defined in BS EN 1976.
• Minimum Copper Content 99.90 % (including silver)
• Phosphorus 0.015-0.040 %
• Total Impurity Maxima 0.060 % (excluding phosphorus and silver)
• The melting point of copper is 1083ºC and it has a density of 8.9 gm/cc
• Packaging
• All tubes are bundle tied, 15-28mm (TX) are Yellow end capped in tubes of 10 (UK market only).
• Marking

Sizes 15 - 54mm copper tubes are stamped with:

• Tube size
• Kitemark
• EN 1057
• Temper
• Manufacturer
• Date (quarter)

Sizes 67mm and above are stamped at either end of the tube.

Mechanical Properties