6111 – Air Hardening Tool Steel TiG H-13 (A8)

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 6111 is a chromium-molybdenum-vanadium alloyed steel that produces hot working weld deposits that are tungsten free, homogeneous, porous free, dense, and may be annealed and re-hardened, if necessary.

  • Good resistance to abrasion at both low and high temperatures.
  • High level of toughness and ductility.
  • Good high temperature strength and resistance to thermal fatigue.
  • Uniform and high level of machinability and polish ability.


All Weld Metal Analysis (Typical Weight %)
C Mn Si P S Cr Mo Cu Fe V
0.39 0.4 1.0 <.02 <.02 5.2 1.4 <0.25 Bal. 1.0


Typical Mechanical Properties

Undiluted Weld Metal          Maximum Value Up to:

Hardness as welded                54-57 RC

Heat Treatment                     Use H-13 procedure


Welding Current & Instructions

Recommended Gas: DC- (100% Argon gas should be used to minimize burn-off of the tungsten electrode). Preheat 620-710°F (325-375°C)

Welding Techniques:  Insure welding surface is free of contamination.

Recommended Amperage Settings:


Inches (mm)
Volts Amps Gas Flow
1/16 (1.6) 7-14 90-150 20
3/32 (2.5) 9-15 90-160 20
1/8  (3.2) 12-15 125-200 25