HAYNES® R-41 alloy
Sound fusion welds are dependent on cleanliness and good joint fit-up. Inert-gas-shielded arc welding with a direct current power supply gives best results. Shielding gas should be used for both the arc and back-up. The weld area should be kept cool by use of copper back-up bars or water-cooled fixtures.
Good resistance welds are made by using high tip pressures and short welding times. Clean and well-fitted laying surfaces are essential. Wrought products except wire are normally furnished solution heat-treated at 1975°F (1079°C), rapid quenched. Wire is normally mill annealed.
Mechanical properties can be tailored by selecting various combinations of solutioning and aging treatments. In general, higher solution heat-treating temperatures result in better room-temperature ductility and improved formability. Stress-rupture strength is also improved by this type of treatment. Lower solutioning temperatures produce higher tensile strengths at temperatures up to about 1700°F (927°C).
Propriétés générales
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Technical Datasheet (English)
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