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.