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Inconel Alloy
Inconel 601
- Product Details
Inconel 601
Inconel 601 is a nickel-chromium alloy, that is highly resistant to oxidation through 2200°F. 601 alloy develops a tightly adherent oxide scale which resists spalling even under severe thermal cycling. The alloy has good high temperature strength, and retains its ductility after long service exposure. 601 alloy has good hot corrosion resistance under oxidizing conditions. 601 alloy is not suggested for use in strongly reducing, sulfur bearing environments.
For maximum oxidation resistance, 601 alloy should be welded with matching composition 601 alloy GTAW wire. The weld fillers developed for RA 602 CA can also provide a weld which is stronger and more oxidation resistant than the 601 alloy base metal. 601 alloy is more difficult to machine than 304 stainless steel. Its machinability rating is 15-21% relative to AISI B1112 steel.
Inconel 601 Chemistry
| Ni | Cr | Al | C | Mn | Cu | Si | S | Fe | |
|---|---|---|---|---|---|---|---|---|---|
| MIN | 58.00 | 21.00 | 1.00 | — | — | — | — | — | — |
| MAX | 63.00 | 25.00 | 1.70 | 0.10 | 1.00 | 1.00 | 0.50 | 0.015 | Balance |
*ASTM specification 0.20 max C.
Inconel 601 Specifications
AMS 5715, AMS 5870
ASME SB 167, ASME SB 168
ASTM B 167, ASTM B 168
EN 2.4851
UNS N06601
Werkstoff 2.4851
Inconel 601 Inventory
601 Coil, 601 Pipe, 601 Plate, 601 Sheet
Common Trade Names
Alloy 601, Inconel® 601, Nickel 601
Inconel 601 Features
- Outstanding oxidation resistance to 2200°F
- Highly resistant to carburization
- Good creep and rupture strength
- Metallurgical stability
Inconel 601 Applications
- Copper brazing, annealing and sintering muffles and retorts
- Radiant tubes
- Strand annealing tubes
- Steam superheater tube supports
- Rotary kilns and calciners
- Thermocouple protection tubes
Inconel 601 Physical Properties
Density: 0.293 lb/in3
Melting Point: 2375 – 2495°F
| Temperature, °F | 70 | 1000 | 1200 | 1400 | 1600 | 1800 | 2000 |
| Coefficient* of Thermal Expansion, in/in°F x 10-6 | – | 8.5 | 8.9 | 9.2 | 9.5 | 9.8 | 10.2 |
|
Thermal Conductivity Btu • ft/ft2 • hr • °F |
6.5 | 11.6 | 12.7 | 13.7 | 14.8 | 15.8 | 16.9 |
| Modulus of Elasticity, Dynamic psi x 106 | 29.95 | 25.43 | 24.12 | 22.48 | 20.54 | 18.43 | 16.20 |
* 70°F to indicated temperature.
Inconel 601 Mechanical Properties
Short-Time Elevated Temperature Tensile Properties
| Temperature,°F | 70 | 1000 | 1200 | 1400 | 1600 |
| Ultimate Tensile Strength, ksi | 100 | 90 | 60 | 34 | 18 |
| 0.2% Yield Strength, ksi | 54 | 48 | 41 | 26 | 15 |
| Elongation, % | 45 | 44 | 45 | 70 | 120 |
Typical Creep – Rupture Properties
| Temperature, °F | 1400 | 1600 | 1800 | 2000 |
| Minimum Creep 0.0001%/Hour, ksi | 4.1 | 2.0 | 0.76 | 0.43 |
| 10,000 Hour Rupture Strength, ksi | 6.2 | 2.6 | 1.2 | 0.62* |
