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ICUNI 30 239
Description:
TIG welding rod for welding of copper-nickel alloys (cunifer, cupronickel pipes) containing up to 31% Ni.
Identification:
Copper-nickel colour surface appearance. Classification
AWS A5.7
BS 2901
DIN 1733
Werkstoff No.
ER Cu Ni
C 18
WSG-Cu Ni 30 Fe
2.0837
Type of current
Flux Materials to be welded
3.02
No flux required.
Copper-nickel wrought alloys Grade Cu Ni 20 Fe (DIN 17664) Grade Cu Ni 30 Mn 1 Fe (DIN 17664) Grade Cu Ni 30 Fe 2 Mn 2 (DIN 17664) Werkstoff No. 2.0872 Werkstoff No. 2.0875 Werkstoff No. 2.0883
Chemical composition as welded (W%)
Mechanical properties as welded
Packaging data
210
ARGON 7–9 l/min
DC-
Welding positions
Copper-nickel cast alloys Grade G-Cu Ni 10 Grade G-Cu Ni 30 Werkstoff No. 2.0815 Werkstoff No. 2.0835
Ni
Mn
Fe
Ti
Cu
31.0
1.0
0.5
0.4
Rest
Tensile strength MPa
Yield strength MPa
Elongation %
Hardness HB
≥420
≥200
≥30
±115
Diameter mm.
Length mm.
Rods per package
Net weight per package kg
Product No.
per package
2.5
500
92
2.0
097-335547