HAYNES® 242® RTW™ Filler Metal

Product Description:

HAYNES® 242® RTW filler metal is used for the gas tungsten arc and gas metal arc welding of HAYNES® 242® alloy. The deposited weld metal has low thermal expansion characteristics, good oxidation resistance to 1500°F (815°C) and excellent fabricability. The alloy is used in gas turbine seal rings, containment structures and high-strength fasteners. The RTW finish on the spooled wire promotes smooth feeding through welding equipment and reduced tip wear in contact tips.


AWS A5.14 ERNiMo-12


Nickel: Remainder
Molybdenum: 24.0-26.0
Chromium: 7.0-9.0
Iron: 2.0 max.
Cobalt: 1.0 max.
Manganese: 0.80 max.
Silicon: 0.80 max.

Aluminum: 0.50 max.
Copper: 0.50 max.
Carbon: 0.03 max.
Phosphorous: 0.030 max.
Sulfur: 0.015 max.

Minimal Mechanical Properties

Tensile (psi) 100,000
Mpa 690
Elongation (%)

Available Product Forms and Sizes:

Diameter in 0.030 0.031 0.035 0.039 0.045 0.047 0.062 0.078 0.093 *0.125 *0.156x 0.187x
Diameter mm 0.76 0.80 0.89 1.00 1.10 1.20 1.60 2.00 2.40 *3.20 *4.00x *4.70x

Filler metals are available in MIG spools, TIG cut lengths, reels, and coils from the above diameters.

*Size not available in MIG spools.

˟Size not available on reels.

Standard TIG straight lengths are available in 36” (914mm) lengths. Other lengths available upon request.