Copper CuDHP

CuDHP : copper alloy

CuDHP is a thermally refined electrolytic copper alloy which is deoxidised by the addition of phosphorus. Cu DHP has a phosphorus content between 0.013% and 0.050%, which reduces its electrical conductivity and makes it insensitive to reducing atmospheres. With its excellent thermal conductivity, this copper can be soldered without any problems. 
Cuivre CuDHP

The international standards of Cu DHP

At the international level, the standards are different and CuDHP is designated in different ways: 
  • France (AFNOR): CuB1 / Cu-DHP
  • Germany (DIN): SF-Cu, Werkstoffnummer
  • Europe (EN): CW024A
  • ASTM : C12200

Fields of application of CuDHP

Copper CuDHP is used in boiler making, sanitary installations, copper tubes, decorative objects, ... 

Consult the technical data sheet for copper CU DHP

Hot deformability Good
Cold deformability Excellent
Cold reduction before annealing 95% max
Machinability (Basic reference: brass from
bar turning CuZn39Pb2 =100)
Soft soldering Excellent
Hard soldering Excellent
Arc welding in a gaseous atmosphere Excellent
Arc welding with coated wire electrode Not recommended
Electric resistance welding :
Per point Medium
Placed end to end Good
Corrosion resistance :
Acetic acids Good
Hydrochloric acid Medium
Sea water Good
60% sulphuric acid Medium
Acidic waters Good


Chemical composition in % Physical characteristics (at 20°C)
Cu + Ag > 99.90 Density (kg/dm3) 8.9
P 0.015 - 0.040 Electrical conductivity (%IACS) 80
Pb - Electrical resistivity (MS/m) 2.2
Total other impurities - Thermal conductivity (W/m.K) 330
  Modulus of elasticity (Kn/mm²) 120
  Coef. of thermal expansion (10-6/K) 16.8
  Melting temperature (°C) 1083
  Shear modulus (kN/mm²) 45


Copper supplier CuDHP / CuB1 / C12200 / CW0244

Metal Rolling, supplier of various metals, offers you the possibility to order CuDHP or CuB1 copper according to real needs and avoid unnecessary stocks. You benefit from a copper alloy that is tailor-made in terms of thickness, width, length and hardness of the desired copper.

Contact us for a quotation or to place your order for CuDHP.


Other copper alloys to order from Metal Rolling

Our other copper alloys are available to custom order:

CuETP - CuDLP - CuPHC - CuOF - CUZN10 - CUZN30 - CUZN33 - CUZN36 - CUZN37 - Maillechort