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Engineered metals
for precision industries

Data sheet - K65

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K65
CuFe2P

Cu reste Fe2.1-2.6 P0.03 max

Chemical composition

CuBAL

Zn0.05-0.2

P0.03 max

Fe2.1-2.6

Other0.2 max

Alloy name
RLSA no.130
EN standardCW107C
DIN standard2.1310
UNS no.*C19400

*Unified Numbering System (USA)

Characteristics and main uses

Le CuFe2P est un alliage à résistance moyenne, avec de fines précipitations de Fe. Il combine une conductivité élevée avec une résistance moyenne et de bonnes propriétés de relaxation.

Physical properties Units
Density (20°C) 8,90 Kg/dm³
Melting point 1100 °C
Longitudinal elasticity modulus 123 GPa
Thermal conductivity W/m·K
Electrical conductivity >35 m/Ω·mm²
Electrical resistivity <0.02857 µΩ·m
Linear expansion Coefficient 17,6 10⁻⁶·K⁻¹
IACS (International Annealed Copper Standard) 64 %
Poisson's ratio 0,34
Capabilities
Corrosion resistance
Hot deformation3
Cold deformation4
Electrodepositing
Diamond cutting
Nitriding
Mechanical polishing3
Welding without filler
Brazing4

1 poor | 2 average | 3 good | 4 very good | - no info

Heat Treatment / Hardening
Annealing temperature 350-500 °C
Temperature for stress relief treatment 150-200 °C
Hardening temperature °C
Hardening treatment time hour(s)

Alloy mechanical properties

K65
Possible hardness range 90 - 175 HV
Possible Rm range 330 - 520 MPa

Non-exhaustive list of grades

Grade According to standard Hardness
(HV: Vickers)
min - max
Rm
(MPa)
min - max
Rp 0.2
(MPa)
min - max
Elongation
(%) where L0 = 100mm
min - max
L0 Grain size
(µm)
min - max
H080 80 - 100*
H100 100 - 120*
H120 120 - 140*
H130 130 - 150*
H140 140 - 160*
H150 150 - 170*
R300 300 - 340 ≤ 240 ≥ 20 50
R340 340 - 390 ≥ 240 ≥ 10 50
R370 370 -430 ≥ 330 ≥ 6 50
R420 420 - 480 ≥ 380 ≥ 3 50
R470 470 - 530 ≥ 440 ≥ 4 50
R530 530 - 570 ≥ 470 ≥ 5 50

Do not hesitate to ask us for your specific grades and parameters. We can make productions according to your needs.

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