High Temperature Welding Wire Hastelloy C-276 ERNiCrMo-4 Nickel-Based Alloy
Welding Wire Hastelloy C-276 ERNiCrMo-4 | Nickel-Based Alloy for High-Temperature & Corrosive Environments
AWS welding wire Hastelloy c-276 ERNiCrMo-4
INTRODUCTION
ERNiCrMo-4 is used for gas-tungsten-arc and gas-metal-arc welding of Inconel alloy C-276 and other nickel-chromium-molybdenum alloys. Due to high molybdenum content, this alloy offers excellent resistance to stress corrosion cracking and pitting and crevice corrosion.
Common Names: C-276 FM C-276 Techalloy 276
Standard: AWS A5.14, ERNiCrMo-4/ ASME II, SFA-5.14,UNS N10276 Werkstoff Nr. 2.4886 ISO SNi6276 Europe NiCrMo16Fe6W4
CHEMICAL COMPOSITION(%)
|
C |
Si |
Mn |
S |
P |
Ni |
Co |
|
≤0.02 |
≤0.08 |
≤1.0 |
≤0.03 |
≤0.04 |
Rest |
≤2.5 |
|
W |
V |
Fe |
Cu |
Cr |
Mo |
others |
|
3.0-4.5 |
≤0.35 |
4.0-7.0 |
≤0.5 |
14.5-16.5 |
15-17 |
<0.5 |
WELDING PARAMETERS
|
Process |
Diameter |
Voltage |
Amperage |
Gas |
|
TIG |
.035” (0.9mm) |
12-15 |
60-90 |
100% Argon |
|
MIG |
.035” (0.9mm) |
26-29 |
150-190 |
75% Argon + 25% Helium |
|
SAW |
3/32” (2.4mm) |
28-30 |
275-350 |
Suitable Flux may be used |
MECHANICAL PROPERTIES
|
Tensile Strength |
114,500 PSI |
790 MPA |
|
Yield Strength |
85,000 PSI |
590 MPA |
|
Elongation |
27% |
|
APPLICATIONS
- ERNiCrMo-4 of its high molybdenum content it offers excellent resistance to stress corrosion cracking, pitting, and crevice corrosion, thus it is often used for cladding.
- ERNiCrMo-4 offen used for groove welding of 9% nickel steels in the production of LGN storage tanks.
- ERNiCrMo-4 also can be used for welding of materials of similar chemical composition, as well as dissimilar material of nickel base alloys, steels and stainless steels.
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