ERNiCrFe-7
ERNiCrFe-7 is used for GTAW (gas tungsten arc welding) and GMAW (gas-shielded metal arc welding) such as Inconel 690. On most low-alloy and stainless steel ERNiCrFe-7 can produce corrosion-resistant overlays. It can be used in applications which requires resistance to oxidizing acids. It is also used for dissimilar metal joints welding including Inconel and Incoloy alloys, carbon, low-alloy and stainless steels and for overlaying on steel.
Common Names: Filler Metal 52
Conformances: AWS A5.14, ERNiCrFe-7 / ASME IX, UNS N06052
CHEMICAL COMPOSITION(%)
C |
Si |
Mn |
S |
P |
Ni |
Mo |
---|---|---|---|---|---|---|
≤0.04 |
≤0. 5 |
≤1.0 |
≤0.015 |
≤0.02 |
Rest |
≤0.5 |
Al |
Ti |
Fe |
Cu |
Cr |
Nb+Ta |
others |
≤1.1 |
≤1.0 |
7-11 |
≤0.3 |
28.5-31 |
≤0.1 |
<0.5 |
WELDING PARAMETERS
Process |
Diameter |
Voltage |
Amperage |
Shielding Gas |
---|---|---|---|---|
TIG |
.035” (0.9mm) .045” (1.2mm) 1/16” (1.6mm) 3/32” (2.4mm) 1/8” (3.2mm) |
12-15 13-16 14-18 15-20 15-20 |
60-90 80-110 90-130 120-175 150-220 |
100% Argon 100% Argon 100% Argon 100% Argon 100% Argon |
MIG |
.035” (0.9mm) .045” (1.2mm) 1/16” (1.6mm) |
26-29 28-32 29-33 |
150-190 180-220 200-250 |
75% Argon + 25% Helium 75% Argon + 25% Helium 75% Argon + 25% Helium |
SAW |
3/32” (2.4mm) 1/8” (3.2mm) 5/32” (4.0mm) |
28-30 29-32 30-33 |
275-350 350-450 400-550 |
Suitable Flux may be used Suitable Flux may be used Suitable Flux may be used |
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