Class: ENiFe-CI

AWS: A5.15

Conforms to Certification: AWS A5.15                 ASME SFA A5.15

Weld Process: Shielded Metal Arc Weld Process (SMAW)

AWS Chemical Composition Requirements
C = 2.0 max	Fe = Remainder
Mn = 2.5 max	Ni = 45.0 – 60.0
Si = 4.0 max	Cu = 2.5 max
S = 0.03 max	Al = 1.0 max
Other = 1.0 max

Available Sizes
3/32
1/8
5/32
3/16

Application
Nickel 55 electrode is designed for welding of cast iron to themselves, as well as joining them to mild steels and repair of castings. Preheat and interpass of 350ºF minimum is recommended during welding.

Deposited Chemical Composition % (Typical)
C = 0.90	Mn = 0.75	Si = 2.10
Fe = 40.2	Cu = 1.90	Ni = 54.5
S = 0.006	P = 0.012

 

Deposited All Weld Properties % (AW)
Tensile Strength	84,000 psi
Yield Strength	59,500 psi
Elongation	9%

Deposited Charpy-V-Notch Impact Properties %
Not applicable

Recommended Weld Parameters		Amperage (A)
Diameter of Wire	Voltage (V)	Flat	Vertical and Overhead
3/32 inches (2.4mm)	24 – 28	70 – 85	65 – 75
1/8 inches (3.2mm)	26 – 30	85 – 110	80 – 90
5/32 inches (4.0mm)	28 – 32	110 – 140	100 – 120
3/16 inches (4.8mm)	28 – 32	120 – 160	110 – 130