Super Alloy Alloy 42 is stocked by 27 North American distributors and produced by 22 large mills. Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required
This material is stocked primarily in Flat Rolled Products by 16 distributors but is also available to a lesser extent in Wire Products, Bar Products, Forging Products, Tubular Products, Casting Products, and Fasteners.
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Specifications
The following specifications cover Super Alloy Alloy 42
- ASTM B388
- ASTM F30
- UNS K94100
Property Results
Related Metals:
- AL 42(tm)
- Ametek 942(tm)
- Dilaton 42(tm)
- HPM NI 42(tm)
- Invar 42
- Ulbraseal 42(tm)
Chemistry Data : [top]
Carbon
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0.05 max |
Iron
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Balance |
Manganese
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1 max |
Nickel
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Silicon
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Principal Design Features
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This is an iron-nickel alloy with controlled thermal expansion properties.
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Applications
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Used for glass-to-metal sealing of components that are enclosed in a glass envelope, such as lamps and electron tubes.
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Machinability
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The alloy is readily machinable by conventional techniques.
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Forming
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Ductility and thus formability are very good.
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Welding
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The alloy may be welded by conventional methods.
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Heat Treatment
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An annealing heat treatment may be used. The alloy is not hardenable by heat treatment.
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Forging
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Forging may be done at 2200 F. As is true of all the high nickel content alloys care should be taken to avoid contamination from sulfur due to long soaking time in a furnace atmosphere.
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Cold Working
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The alloy has good ductility and is readily cold worked.
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Annealing
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Anneal at 1450F (788C) followed by air cooling.
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Hardening
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Hardens due to cold working only.
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Physical Data : [top]
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Density (lb / cu. in.)
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0.293
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Specific Gravity
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8.12
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Specific Heat (Btu/lb/Deg F - [32-212 Deg F])
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0.12
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Electrical Resistivity (microhm-cm (at 68 Deg F))
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494
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Melting Point (Deg F)
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2600
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Mean Coeff Thermal Expansion
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0.8
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Modulus of Elasticity Tension
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21.5
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Mechanical Data : [top]
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MSO currently has no data available for this grade.
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Videos :
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MSO currently has no videos available for this grade.
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