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ERNiCrMo-7

Class: ERNiCrMo-7

AWS: A5.14

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

Weld Process: GTAW Welding Process

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

 

Deposited All Weld Metal Properties % (AW) 
Tensile Strength 113,000 psi
Elongation 29%

Deposited Charpy-V-Notch Impact Properties %
Not applicable

Recommended Welding Parameters for TIG, MIG, and SAW Welding of Nickel Alloys
Process Diameter of Wire Voltage (V) Amperage (A) Gas
Tig .035 inches x 36 12 – 15 60 – 90 100% Argon
.045 inches x 36 13 – 16 80 – 110 100% Argon
1/16 inches x 36 14 – 18 90 – 130 100% Argon
3/32 inches x 36 15 – 20 120 – 175 100% Argon
1/8 inches x 36 15 – 20 150 – 220 100% Argon

Note:  Other shielding Gases may be used for Tig 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.