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Welding Consumables >> Nickel Based Welding Consumables >> ERNiFeCr-2
 

Description
ERNiFeCr-2 is used for gas-tungsten-arc welding of Inconel alloy 718, 706 and X-750. The weld metal is age hardenable and has mechanical properties comparable to those of the base metals.. It can equivalent to: Oxford Alloy 718  FM 718, Techalloy 718.

Applications
ERNiFeCr-2 mainly used for welding high-strength aircraft components, and liquid rocket components involving cryogenic temperatures. This alloy can be age hardened to higher strengths.

Product Details
Chemical composition

Grade Chemical composition(%)
ERNiFeCr-2 C S P Si Mn Ni Co
0.08 0.015 0.015 0.35 0.35 50~55 1.0
Al Cu Mo Ti Fe

Cr

Nb+Ta

0.2~0.8 0.3 2.8~3.3 0.65~1.15 Bal 17~21 4.75~5.5

Mechanical properties

Tensile Strength Yield Strength Elongation
860Mpa 630Mpa 27

Welding paramaters

Process Diameter Voltage Amperage Gas
TIG .045     (1.2mm) 13-16 80-110 100% Argon
1/16     (1.6mm) 14-18 90-130 100% Argon
3/32     (2.4mm) 15-20 120-175 100% Argon
1/8      (3.2mm) 15-20 150-220 100% Argon
MIG .045     (1.2mm) 28-32 180-220 75% Argon + 25% Helium
1/16     (1.6mm) 29-33 200-250 75% Argon + 25% Helium
SAW 3/32     (2.4mm) 28-30 275-350 Suitable Flux may be used
1/8      (3.2mm) 29-32 350-450 Suitable Flux may be used
5/32     (4.0mm) 30-33 400-550 Suitable Flux may be used
Specifications
AWS A5.14, ERNiFeCr-2 ASME II, SFA-5.14, ERNiFeCr-2 UNS N07718 ISO SNi7718 DIN 1736 SG-NiCr19NbMoTi Europe NiFe19Cr19Nb5Mo3
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