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

C

S

Mn

P

Si

Misc

Cu

Fe

Al

Ni

1.9

.030

<2.3

3.8

1 MAX

2.3

<45

.97

Bal

 

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                                    100

Maximum 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 / lb

28

14

10

Electrodes / kg

62

32

22

 

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