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ERNiCrMo-4

Class: ERNiCrMo-4

AWS: A5.14

Conforms to Certification: AWS A5.14            ASME SFA A5.14

Weld Process: GMAW, ASAW Welding Processes

AWS Chemical Composition Requirements
C = 0.02 max Cu = 0.50 max
Mn = 1.0 max Ni = Remainder
Fe = 4.0 to 7.0 Co = 2.5 max
P = 0.04 max Cr = 14.5 – 16.5
S = 0.03 max Mo = 15.0 – 17.0
Si = 0.08 max W = 3.0 – 4.5
Other = 0.50 max V = 0.35 max

 

Available Sizes 
Diameter X Spool Sizes Diameter X Coil Sizes
.035 x 33# 1/16 x COIL
.045 x 33# 3/32 x COIL
1/16 x 33# 1/8 x COIL
5/32 x COIL

Application
ERNiCrMo-4 is used for welding nickel-chromium-molybdenum base materials to itself, steel and other nickel base alloys and for cladding steel.

Deposited Chemical Composition % (Typical)
C = 0.01 Cr = 15.55 Ni = Balance
Mn = 0.55 Mo = 16.1 Si = 0.04
Fe = 5.5 W = 3.65

 

Deposited All Weld Metal Properties % (AW) 
Tensile Strength 105,000 psi
Yield Strength 81,000 psi
Elongation 40%

Deposited Charpy-V-Notch Impact Properties %
Not applicable

Recommended Welding Parameters for MIG and SAW Welding of Nickel Alloys
Process Diameter of Wire Voltage (V) Amperage (A) Gas
MIG .035 inches 26 – 29 150 – 190 75 % Argon +25% Helium
.045 inches 28 – 32 180 – 220 75 % Argon +25% Helium
1/16 inches 29 – 33 200 – 250 75 % Argon +25% Helium
SAW 3/32 inches 28 – 30 270 – 350 Suitable Flux May Be Used.
1/8 inches 29 – 32 350 – 450 Suitable Flux May Be Used.
5/32 inches 30 – 33 400 – 550 Suitable Flux May Be Used.

Note: Other shielding Gases may be used for Mig welding. Shielding gases are chosen taking Quality, cost, and Operability into consideration.
Note:  Both agglomerated and fused fluxes can be used for submerged arc welding.
Note: The chemical composition of the flux mainly affects the chemistry of the weld metal and consequently its corrosion resistance and mechanical properties.