Alloy 6230 - AMS 5878, UNS 6230
Alloy 6230 is a nickel-chromium-tungsten-molybdenum alloy. This grade is known for its excellent high temperature strength, long term stability, and resistance to oxidizing environments up to 2100°F. Alloy 6230 exhibits good resistance to carburization. This grade excels in creep and fatigue resistance at high temperatures and due to its lower thermal expansion characteristics, it resists grain coursening when exposed to high temperatures for long periods of time. Alloy 6230 combines excellent high temperature strength and fabricability at room temperature.
Alloy 6230 Inventory Size Ranges
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Standard Inventory Specifications
- UNS 6230
- AMS 5878
- ASTM B 435
- ASME SB 435
Common Trade Names
- Haynes 230 (® Haynes International)
- HAYNES® 230®
Common Applications of Alloy 6230
- Gas turbine components
- Heat treat baskets/trays/furnace retorts
- High temperature bellows
- Chemical processing components
- Flame holders
- Combustion cans
- Dampers
- Domestic produced materials
Chemical Composition
| Element | Percent by Weight | |
|---|---|---|
| Cr | Chromium | 20.0 - 24.0% |
| Co | Cobalt | 5.0% Max |
| Fe | Iron | 3.0% Max |
| Mo | Molybdenum | 1.0% -3.0% Max |
| Cu | Copper | 0.5% Max |
| Mn | Manganese | 0.3 - 1.0 Max |
| P | Phosphorus | 0.25 - 0.75% Max |
| Si | Silocon | 0.25 - .75% Max |
| Al | Aluminum | 0.20 - 0.50% Max |
| Ti | Titanium | 0.10% |
| C | Carbon | 0.05 - 0.15% Max |
| B | Boron | 0.015% Max |
| S | Sulfur | 0.015% Max |
| La | Lanthanum | 0.005 Min - 0.05% Max |
| Ni | Nickel | Remainder |
| Properties | Value |
|---|---|
| Density | 0.324lb/in3 (8.97 g/cm3) |
| Specific Gravity | 7.92 |
| Melting Range | 2375 - 2500° F (1300-1374°C) |
| Heat Treatment | Cannot be hardened by heat treating |
| Tensile | 115 min. Mpa 793 |
| Yield Strength | 50 ksi min Mpa 345 min |
| Elongation | 40% |
*The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.