1250 – Nickel Chrome Manganese Overlay

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INTERNATIONAL CLASSIFICATIONS

Proprietary Formula ‰- None Applicable

FEATURES & APPLICATIONS

Ideal for rebuilding and joining austenitic manganese steels and manganese steels to other steel combinations.

  • Impact resistant electrode for joining and surfacing steels.
  • Deposits highly machinable alloy weld metal and designed for joining and overlaying Manganese and carbon steel parts.
  • High alloy deposits are very tough and will endure extreme impact and abrasion conditions.
  • Operates in all positions.

All Weld Metal Analysis (Typical Weight %)

Microstructure: Proprietary Alloy

Flux Color: Grey

C P Mn Si Cr Ni Fe
.8 .003 16.0 1.5 16.0 8.0 Bal.

Typical Mechanical Properties

Undiluted Weld Metal Maximum Value Up to:

Tensile Strength 116,000 PSI

Yield Strength 89,000 PSI

Hardness Rockwell C16-19

Work Hardness Rockwell C48

 

Welding Current & Instructions

Recommended Amperage Settings:

Diameter (mm)

1/8 (3.25)

5/32 (4.0)

3/16 (5.0)

Minimum Amperage

110

125

150

Maximum Amperage

135

190

250

 

Welding Techniques: Do not pre-heat. Use string or weave bead technique to deposit material. Avoid overheating on any manganese steel base metals.

Welding Positions: Flat, Horizontal, vertical up

Deposition Rates:

Diameter (mm)

Length (mm)

Weldmetal/ Electrode

Electrodes per lb (kg) of weldmetal

Arc Time of Deposition min/lb (kg)

Amperage Setting

Recovery Rate

1/8 (3.25)

14″ (350)

.94oz (26g)

17 (37)

22 (49)

115

160%

5/32 (4.0)

14″ (350)

1.8oz (50g)

9 (19)

16 (35)

150

160%

3/16 (5.0)

14″ (350)

2.7oz (75g)

6 (14)

11 (25)

210

160%

 

APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS

Diameter (mm)

1/8 (3.25)

5/32 (4.0)

3/16 (5.0)

Length (mm)

14″ (350

14″ (350)

14″ (350)

Electrodes / lb

9

6

4

Electrodes / kg

20

13

9