Engineered metals
for precision industries

www.robertlaminage.com

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ARCAP AP1
Cu65Ni25Zn8

Chemical composition

Cu63-67

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)	8,75	Kg/dm³
Melting point	1130	°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
Possible hardness range	120 - 220	HV
Possible Rm range	370 - 680	MPa

Grade	Condition	Hardness (HV: Vickers) min - max	Rm (MPa) min - max	Rp 0.2 (MPa) min - max	Elongation (%) where L0 = 100mm min - max	L0
mou	RLSA	≤ 120	≤ 400	≤ 300	≥ 30	50
ROB01	RLSA	120 - 150	370 - 470	≥ 300	≥ 20	50
ROD03	RLSA	150 - 170	450 - 550	≥ 370	≥ 10	50
ROB06	RLSA	165 - 185	520 - 600	≥ 470	≥ 3	50
ROB07	RLSA	180 - 210	≥ 580	≥ 530	1	50

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