1266 – Hot Work Tool Steel

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DIN: 8555: E3-UM-45-T


  • A versatile alloyed electrode for reclamation of hammer and press dies.
  • Exhibits excellent properties at high temperatures.
  • Ideal edge retention properties.
  • Excels at positional welding.
  • Very smooth arc transfer.

All Weld Metal Analysis (Typical Weight %)

C Mn Cr W V Fe
.2 1.2 2.8 5.0 0.8 Bal.

Flux Color: Grey

Typical Mechanical Properties

Undiluted Weld Metal Maximum Value Up to:

Room Temperature RC 41-45

Tempered RC 45-50

Annealed RC 20-25