Connector Alloys

ILF stocks a range of material specifically for the connector market.

Our range of high quality copper, low alloyed copper, brass and bronze alloys guarantee high electrical conductivity combined with optimal properties in tensile strength, relaxation and mechanical processing. 

ILF’s connector material range is used to manufacture contact pins, pin and socket connectors, RF connectors and corrosion resistant fibre optic connectors for use in the IT, aerospace, telecommunications, automotive and consumer electronics sectors.

If you do not see your grade here, please contact our sales team on to see if we can source it for you.

Machinable copper

Designation	Type	EN	ASTM	JIS	AMS	Tensile strength soft annealed min. N/mm2	Tensile Strength Hard max N/mm2	Electrical Conductivity % IACS	Machinability Free Machining = 100%
C42	CuTeP	CW118C	C14500 DPTE	N/A	C14500 DPTE	200	410	90	60
C99	CuPb1P	CW113C	C18700	N/A	C18700	200	410	≥85	60

Other alloys

Designation	Type	EN	ASTM	JIS	AMS	Tensile strength soft annealed min. N/mm2	Tensile Strength Hard max N/mm2	Electrical Conductivity % IACS	Machinability Free Machining = 100%
CCZ	CuCr1Zr	CW106C	C18150 C18200 C18400	N/A	C14500 DPTE	200	600	≥75	30
ECU	Cu-ETP	CW004A	C11000	C1100	C18150 C18200 C18400	200	400	≥100	20
C95	CuCrZPb	N/A	N/A	N/A	N/A	250	580	≥75	90
C96	CuNi2SiPb	N/A	N/A	N/A	N/A	260	750	35	70
C96 SHT	CuNi2SiPb	N/A	N/A	N/A	N/A	260	850	35	70
C97	CuNiPb1P	N/A	C19160	N/A	C19160	250	655	50	70
C98M	CuNiPb0.6P	N/A	C19140	N/A	C19140	250	655	50	50
C98T	CuNiPb0.7P	N/A	C19150	N/A	C19150	250	655	50	50

Machinable brass

Designation	Type	EN	ASTM	JIS	AMS	Tensile strength soft annealed min. N/mm2	Tensile Strength Hard max N/mm2	Electrical Conductivity % IACS	Machinability Free Machining = 100%
61A	CuZn36Pb3	CW603N	C36000	C3601 C3602	C36000	340	610	26	100
61B	CuZn37Pb2	CW606N	C35300	(C3601)	C35300	320	610	26	75
62A	CuZn35Pb2	CW601N	C34500 C35300	(C3601)	C34500 C35300	320	610	26	77
62AS	CuZn35Pb1	CW600N	C34000	C3501	C34000	320	610	26	70
62B	CuZn36Pb1	(CW600N)	(C34000)	(C3501)	(C34000)	320	610	26	70
62C	CuZn36Pb0.5	CW604N	C33500	N/A	C33500	320	570	26	65
PS2	CuZn16Si2Pb1	N/A	C69750	N/A	C69750	440	950	9.5	90
SwissEco	CuZn40Al Pb <0.01%	N/A	N/A	N/A	N/A	440	670	26	70

Machinable phosphor bronze

Designation	Type	EN	ASTM	JIS	AMS	Tensile strength soft annealed min. N/mm2	Tensile Strength Hard max N/mm2	Electrical Conductivity % IACS	Machinability Free Machining = 100%
BZ4	CuSn4Pb4Zn4	CW456K	C54400	C5441	C54400	350	820	19	90
B05	CuSn13Pb0.5	N/A	C53800	N/A	C53800	480	980	9	60
BP5	CuSn5Pb1	CW458K	C53400	C5340	C53400	340	820	20	60

Machinable nickel silver for fibre optic connectors

Designation	Type	EN	ASTM	JIS	AMS	Tensile strength soft annealed min. N/mm2	Tensile Strength Hard max N/mm2	Electrical Conductivity % IACS	Machinability Free Machining = 100%
NM6	CuNi12Zn37Mn6Pb2	(CW407J)	C79860	N/A	C79860	460	840	5	90