1256 – Air Hardening Tool Steel Electrode

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INTERNATIONAL CLASSIFICATIONS

AWS/ASME: NONE

EN14700 EFe6

DIN 8555: E6-UM – 60

FEATURES & APPLICATIONS

Ideal for repairing and rebuilding shear blades, percussion drills, earth borers, crusher jaws, etc.

  • Unique alloy for repair & build-up of all Air Hardening tool steels.
  • Deposits are highly crack resistant, forgeable and temperable.
  • High alloy deposits are very tough and will endure extreme impact and abrasion conditions.
  • Operates in all positions.
  • Also available in TIG form as item #6115.

 

All Weld Metal Analysis (Typical Weight %)

Microstructure: Tempered Martensite

Flux Color: Grey

C

P

Mn

Si

Cr

Ni

Mo

S

.37

.012

.22

1.45

8.08

0.11

0.02

.008

 

Typical Mechanical Properties

Undiluted Weld Metal Maximum Value Up to:

Hardness Rockwell C55-60

 

Welding Current & Instructions

Recommended Current: AC, DC + or –

Diameter (mm)

3/32 (2.4)

1/8 (3.25)

5/32 (4.0)

3/16 (5.0)

Minimum Amperage

45

80

130

150

Maximum Amperage

90

120

160

175

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 Settings

Recovery Rate

3/32 (2.4)

14″(350)

.94 oz (26g)

17 (37)

22 (49)

80

120%

1/8 (3.25)

14″ (350)

.94 oz (26g)

17 (37)

22 (49)

115

120%

5/32 (4.0)

14″(350)

1.8 oz (50g)

9 (19)

16 (35)

150

120%

3/16 (5.0)

14″ (350)

2.7 oz (75g)

6 (14)

11 (25)

170

120%

 

APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS

Diameter (mm)

3/32 (2.5)

1/8 (3.25)

5/32 (4.0)

3/16 (5.0)

Length (mm)

14″ (350)

14″ (350)

14″ (350)

14″ (350)

Electrodes / lb

20

13

9

6

Electrodes / kg

44

28

20

13

 

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