1139 – Bi-Metal Ferro-Nickel Cast Iron

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INTERNATIONAL CLASSIFICATIONS

AWS/ASME A 5.15 E NiFe-CI

DIN 8573: E NiFe-1 BG 21

ISO 1071: E NiFe

NFA 81-342: E NiFe BG 21

FEATURES & APPLICATIONS

For joining of all weldable cast iron grades to themselves or to low carbon steel alloys.

  • Unique “Bi-Metal” core Ferro Nickel electrode with extra strong arc drive to penetrate contaminants.
  • Extra strong arc drive facilitates joining in all positions.
  • High efficiency weld metal transfer totally eliminates electrode overheating.
  • Excellent performance on poor quality porous castings.
All Weld Metal Analysis (Typical Weight %)

Microstructure: Consists of an iron-nickel- austenite with finely distributed graphite.

Flux Color: Black

CSMnPSiMiscCuFeAlNi
1.9.030<2.33.81 MAX2.3<45.97Bal
Typical Mechanical Properties

Undiluted Weld Metal Maximum Value Up to:

Tensile Strength 76,000 psi (525 MPa)

Yield Strength 53,000 psi (370 MPa)

Elongation 29%

Hardness Rockwell B 87-90, Brinell 179 Vickers 197

Welding Current & Instructions

Recommended Current: DC Reverse (+) or AC

Diameter (mm)                          3/32 (2.5)                          1/8 (3.25)                          5/32 (4.0)
Minimum Amperage                   50                                          70                                    100Maximum Amperage                   70                                          100                                  130

Welding Positions: Flat, Vertical up, Horizontal, Overhead

Welding Techniques: Guide the electrode at a steep angle keeping the arc length short. Use short staggered beads when welding restrained parts.

Deposition Rates:

Diameter
(mm)
Length
(mm)
Weldmetal/
Electrode
Electrodes per
lb (kg) of
Weldmetal
Arc Time of
Deposition
min/lb (kg)
Amperage
Settings
3/32 (2.5)12″ (300).44 oz (13g)36 (80)45 (100)70
1/8 (3.25)14″(350).76 oz (21g)21 (47)22 (49)90
5/32 (4.0)14″ (350)1.07 oz (31g)15 (32)20 (45)120
APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS
Diameter (mm)3/32 (2.5)1/8 (3.25)5/32 (4.0)
Length (mm)12″ (300)14″ (350)14″ (350)
Electrodes / lb281410
Electrodes / kg623222