1262 – Build-up for Extreme Compressive Stress

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INTERNATIONAL CLASSIFICATIONS

AWS: None

EN 14700 E Fe 1

DIN 8555: E1-UM-250

FEATURES & APPLICATIONS

For underlayments on carbon and low alloy steels, also as a stand alone overlay for medium hard tough build-ups on rails, shafts, etc.

  • High build-up electrode depositing weldmetal that resists extreme compressive stresses.
  • Very tough alloy for underlayments or medium hard tough overlays.
  • Excellent machinability.
  • Excels in vertical and horizontal position welding.
All Weld Metal Analysis (Typical Weight %)

Microstructure: Martensite with some carbides.

Flux Color: Grey

CMnSiSPCr NiMoFe
.081.85.65.012.011.4 .72.14bal
Typical Mechanical Properties

Undiluted Weld Metal Maximum Value Up to:

Hardness: Rockwell C 25-27 Brinell 270

Welding Current & Instructions

Recommended Current: DC Reverse (+), or AC

Diameter (mm)1/8 (3.25)5/32 (4.0)3/16 (5.0)
Minimum Amperage100140180
Maximum Amperage140180230

Welding Techniques: Weld in a stringer or 3 x weave fashion. When welding vertically use the “whip” technique.

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 Settings
1/8 (3.25)18″ (450).77 oz (22g)20 (44)21 (47)120
5/32 (4.0)18″ (450)1.33 oz (39g)12 (26)18 (39)160
3/16 (5.0)18″ (450)2.34 oz (65g)7 (15)13 (28)205
APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS
Diameter (mm)1/8 (3.25)5/32 (4.0)3/16 (5.0)
Length (mm)18″ (450)18″ (450)18″ (450)
Electrodes / lb965
Electrodes / kg211411