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ERNiCrMo-7

Class: ERNiCrMo-7

AWS: A5.14

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

Weld Process: GMAW & ASAW Welding Processes

AWS Chemical Composition Requirements
C = 0.015 max Cu = 0.50 max
Mn = 1.0 max Ni = Remainder
Fe = 3.0 max Co = 2.0 max
P = 0.04 max Cr = 14.0 – 18.0
S = 0.03 max Mo = 14.0 – 18.0
Si = 0.08 max W = 0.50 max
Other = 0.50 max Ti = 0.70 max

Please Call For More Information and Available Sizes

Application
ERNiCrMo-7 is used for welding nickel-chromium-molybdenum base materials to itself, steel and other nickel base alloys and for cladding steel with NI-CR-MO weld material

Deposited Chemcial Composition % (Typical)
C = 0.01 Cr = 16.5 Ni = Balance
Fe = 2.20 Mo = 15.75

 

Deposited All Weld Metal Properties % (AW) 
Tensile Strength 113,00 psi
Elongation 29%

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.