Engineered metals
for precision industries

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ARCAP AP1 C
Cu56Ni25Zn18

Chemical composition

Cu55-57

Ni24-26

ZnBAL

Pb0.03 max

Sn0.2 max

Fe0.3 max

Mn0.5 max

Other2 max

*Unified Numbering System (USA)

Alliage de cuivre totalement amagnétique avec une excellente résistance à la corrosion dans divers environnements, y compris l'eau de mer.

Physical properties		Units
Density (20°C)	8,80	Kg/dm³
Melting point	1170	°C
Longitudinal elasticity modulus	163-170	GPa
Thermal conductivity		W/m·K
Electrical conductivity	>25	m/Ω·mm²
Electrical resistivity	<0.40	µΩ·m
Linear expansion Coefficient	17	10⁻⁶·K⁻¹
IACS (International Annealed Copper Standard)	>4.30	%
Poisson's ratio

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

Heat Treatment / Hardening
Annealing temperature	550-750	°C
Temperature for stress relief treatment	300	°C
Hardening temperature		°C
Hardening treatment time		hour(s)

ARCAP AP1 C
Possible hardness range	110 - 220	HV
Possible Rm range	450 - 750	MPa

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
mou	RLSA	≤ 130	≤ 450	≤ 300	≥ 30	50
ROB01	RLSA	130 - 165	450 - 550	≥ 300	≥ 15	50
ROB02	RLSA	160 - 190	520 - 620	≥ 400	≥ 5	50
ROB06	RLSA	190 - 220	620 - 730	≥ 550	≥ 1	50
ROB08	RLSA	≥ 220	≥ 730	≥ 700

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