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

CPMnSiCrNiMoS
.37.012.221.458.080.110.02.008
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 Amperage4580130150
Maximum Amperage90120160175

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/ ElectrodeElectrodes per lb (kg) of WeldmetalArc Time of Deposition min/lb (kg)Amperage SettingsRecovery Rate
3/32 (2.4)14″(350).94 oz (26g)17 (37)22 (49)80120%
1/8 (3.25)14″ (350).94 oz (26g)17 (37)22 (49)115120%
5/32 (4.0)14″(350)1.8 oz (50g)9 (19)16 (35)150120%
3/16 (5.0)14″ (350)2.7 oz (75g)6 (14)11 (25)170120%
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 / lb201396
Electrodes / kg44282013