KW-MCuNi

70%Cu-30%Ni Cupronickel and copper alloys

KS D 7044 : YCuNi-3
AWS A5.7 : ERCuNi
EN 14640 : S Cu 7158 (CuNi30)
JIS Z 3341 : YCuNi-3

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Description

Sizes (mm)	Standard		Welding Position	Shielding gas	Polarity
0.8~1.6	AWS A5.7 EN 14640 JIS Z 3341 KS D 7044	ERCuNi S Cu 7158 (CuNi30) YCuNi-3 YCuNi-3	F,HF	Ar	DC(+)


Typical chemical composition of wire (%)
Cu	Si	Mn	P	S	Cr	Ni	Mo	Remark
Rem.	0.08	0.79	–	–	–	30.71	–	Ti : 0.30


Typical mechanical properties of all-weld metal
Y.S (MPa)	T.S (MPa)	EI. (%)	Hardness (HV)	IV (J)	PWHT
–	345	30	–	–	–

Product Dimensions and Weld Current Range


Welding Position	Sizes (mm)	Ampere (A)		Volt (V)
Welding Position	Sizes (mm)	Min.	Max.	Min.	Max.
F, HF	0.9mm	70	200	14	22
F, HF	1.2mm	100	300	16	32