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HAYNES® Alloys

HASTELLOY® S RTW™ Filler Metal

Product Description:
HASTELLOY® S RTW™ filler metal is use for the gas metal arc and gas tungsten arc welding of S alloy. The deposited weld metal has excellent thermal stability, low thermal expansion and excellent oxidation resistance to 2000°F. S weld metal retains its strength and ductility after aging at temperatures of 800°F to 1600°F. The filler metal also is a great candidate for dissimilar joining in cyclic heating applications and long term temperature exposure. The RTW™ finish on the spooled wire promotes smooth feeding through welding equipment and reduced tip wear contact tips.

Specification:

AMS 5838      UNS N06635

Composition:

Nickel: Remainder
Chromium: 14.50-17.00
Molybdenum: 14.00-16.50
Iron: 3.00 max.
Cobalt: 2.00 max.
Manganese: 0.30-1.00
Tungsten: 1.00 max.
Silicon: 0.20-0.75

 

Aluminum: 0.10-0.50
Copper: 0.35
Lanthanum: 0.01-0.10
Carbon: 0.02 max.
Phosphorus: 0.02 max.
Sulfur: 0.015 max.
Boron: 0.015 max.

Minimum Mechanical Properties:

Tensile (psi) -
MPa -
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.

 
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