TECHALLOY? 718
Nickel ? AWS ERNiFeCr-2
MIG (GMAW) WIRE
AWS A5.14M: 2011 ERNiFeCr-2
UNS N07718
DIAMETERS / PACKAGING
Diameter
MIG
33 lb (15 kg)
Steel Spool
TIG
10 lb (4.5 kg) Tube
30 lb (13.6 kg) Master Carton
SAW
500 lb (227 kg)
in (mm) Speed-Feed? Reel
0.035
0.045
1/16
3/32
1/8
(0.9)
(1.1)
(1.6)
(2.4)
(3.2)
MG718035667
MG718045667
MG718062667
TG718093638
TG718125638
SA718093692
TYPICAL OPERATING PROCEDURES
Process
Diameter
in (mm)
Voltage
(volts)
Amperage
Gas
MIG
0.035
0.045
1/16
(0.9)
(1.1)
(1.6)
26-29
28-32
29-33
150-190
180-220
200-250
75% Argon / 25% Helium
WIRE COMPOSITION(1) - As Required per AWS A5.14M: 2011
%C %Mn %Fe %P %S
Requirements
AWS ERNiFeCr-2 0.08 max 0.35 max Remainder 0.015 max 0.015 max
Typcial Performance(2)
Techalloy? 718 0.05 0.10 20 0.01 0.001
%Si %Cu %Ni %Al %Ti
Requirements
AWS ERNiFeCr-2 0.35 max 0.30 max 50.0 - 55.0 0.20 - 0.80 0.65 - 1.15
Typcial Performance(2)
Techalloy? 718 0.06 0.01 53 0.45 1.0
%Cr %Nb + Ta %Mo %Other
Requirements
AWS ERNiFeCr-2 17.0 - 21.0 4.75 - 5.50 2.80 - 3.30 0.50 max
Typcial Performance(2)
Techalloy? 718 17.4 5.0 3.0 <0.50
CONFORMANCES
(1)Typical all weld metal. (2)See test results disclaimer on pg. 13.
Safety Data Sheets (SDS) are available on our website at www.lincolnelectric.com
? This alloy can be age hardened to higher strengths
? Q2 Lot? - Certificate showing actual deposit composition
available online
KEY FEATURES
WELDING POSITIONS
All
SHIELDING GAS
MIG 75% Ar / 25% He
TIG 100% Ar
TYPICAL APPLICATIONS
? Used for welding alloys 718, 706 and X-750
? Mainly used for welding high strength aircraft
components and liquid rocket components