Conforms to Certification: AWS A5.15 | ASME SFA A5.15
Weld Process: GMAW & SAW Welding Processes
|AWS Chemical Composition Requirements|
|C = 0.1 max||Si = 0.20 max|
|Mn = 0.5 – 1.5||P = 0.02 max|
|Fe = Remainder||Ni = 55.0 min|
|S = 0.02 max||Other = 1.0 max|
|Cu = 0.20 max|
|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|
ERNiFe-CI, Nickel Alloy 55 is used welding gray, ductile and Ni-resist cast irons to wrought alloys. It is also noted for high sulfur, phosphorus or lubricant-contaminated castings.
|Deposited Chemical Composition % (Typical)|
|C = 0.05||S = 0.003||Ni = 55.51|
|Mn = 0.25||Cu = 0.10||Fe = Balance|
|Si = 0.106||P = 0.007|
|Deposited All Weld Metal Properties % (AW)|
|Tensile Strength||89,000 psi|
|Yield Strength||62,000 psi|
Deposited Charpy-V-Notch Impact Properties %
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.