1127 – Nickel Copper Joining Electrode

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INTERNATIONAL CLASSIFICATIONS

AWS/ASME A 5.11 E NiCu-7

EN/ISO 14172E Ni4060

DIN 1736: EL NiCu30Mn

NiCu30Mn3Ti

FEATURES & APPLICATIONS

  • Excellent for repairs in chlorine environments.
  • Used extensively in salt water and marine applications.
  • Works well as both a joining and cladding electrode.

 

All Weld Metal Analysis (Typical Weight %)

C

Mn

Fe

P

S

Si

Ni

Al Ti Cu

.14

3.9

2.3

.02

.01

1.4

69

.70 1.0 Bal.

Flux Color: Grey

 

Typical Mechanical Properties

Undiluted Weld Metal Maximum Value Up to:

Tensile Strength 80,000 PSI (540 MPa)

Yield Strength 56,000 PSI (380 MPa)

Elongation 36%

 

Welding Current & Instructions

Recommended Current: DC Reverse ( + )

Diameter (mm)

3/32 (2.5)

1/8(3.25)

5/32 (4.0)

Minimum Amperage

70

90

110

Maximum Amperage

90

120

160

 

Welding Techniques: Use only dry electrodes. Redrying of the electrodes 2h at 250°C. Use stringer beads on clean joints and exempt of grease, oil or different oxides. Weld with a very short arc and hold the electrode 10-20° inclined in direction of travel.

Welding Positions: Flat, Horizontal, Vertical up, Overhead

Deposition Rates:

Diameter
(mm)

Length (mm)

Weldmetal/
Electrode

Electrodes per lb (kg) of Weldmetal

Arc Time of Deposition min/lb (kg)

Amperage Settings

Recovery Rate

3/32 (2.5)

12″ (300)

.35 oz. (10g)

27 (59)

25 (54)

75

100%

1/8 (3.25)

14″ (350)

.77 oz. (22g)

14 (31)

18 (41)

95

100%

5/32 (4.0) 14″ (350) 1.21oz. (34g) 10 (22) 12 (27) 110

100%

 

APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS

3/32 (2.5)

1/8 (3.25)

5/32 (4.0)

Length (mm)

12″ (300)

14″ (350)

14″ (350)

Electrodes / lb 27 14 10
Electrodes / kg 59 31 22

 

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