KW-MCuNi9

90%Cu-10%Ni Cupronickel and copper alloys

KS              D 7044 : YNiCr-3
EN             14640 : S Cu 7061 (CuNi10)
JIS             Z 3341 : YNiCr-3

Description

Application

 It can be used for surfacing steels and dissimilar welding of copper alloys with steels

Key Features
 
Sizes (mm) Standard Welding Position Shielding gas Polarity
0.8~1.6 EN 14640
JIS Z 3341
KS D 7044
S Cu 7061 (CuNi10)
YNiCr-3
YNiCr-3
F,HF Ar DC(+)
 
Typical chemical composition of wire (%)
Cu Si Mn P S Cr Ni Mo Remark
Rem. 0.03 0.85 10.47 Fe : 0.30
Ti : 0.31
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
370 37
Product Dimensions and Weld Current Range
 
Welding
Position
Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 0.9mm 70 200 14 22
F, HF 1.2mm 100 300 16 32