Copper-nickel alloys

Copper-nickel is a group of materials which shows particular mechanical properties at elevated temperatures together with high resistance to a wide corrosion media.

Produced materials:


Chemical composition

Alloy

C, max

Mn, max

Si, max

Cu

Ni, min

Fe

Ti, max

CuNi 44

Ц Ц Ц balance 44.5 1 Ц

CuNi23Mn

Ц 1.5 Ц balance 23.0 Ц Ц

Alloy 400

0.3 2.0 0.5 28-34 63.0 min 2.5 Ц

Alloy K-500

0.2 1.5 0.5 27Ц34 63.0 0.5-2.0 0.3-1.0

Specification

Alloy UNS Werkstoff Number ASTM DIN
CuNi 44 Ц 2.0842 Ц 17471
CuNi23Mn Ц 2.0841 Ц 17471
Alloy 400 N04400 2.4361 B 164 17752/17753
Alloy K-500 N05500 2.4375 B 164 17752/17753

Products

Product Size, mm
bar Ø4.0 - Ø50.0
strip width 2.0 Ц 4.0
wire & rod Ø0.2 Ц Ø12.0

Condition of supply

Alloys are supplied in the following conditions:
  • hot finished
  • cold drawn, special temper
  • cold drawn, annealed
  • cold drawn, annealed, aged.