Alloy 330，Incoloy 330 Other/Similar Specs，,E FORU

British Specs:，American Specs: AMS 5716 Sheet and Strip，German Specs:

**Alloy 330 / Incoloy 330 (UNS N08330) & Similar Specifications** **Overview** Alloy 330 is a nickel-iron-chromium austenitic superalloy designed for exceptional high-temperature performance. It maintains outstanding resistance to oxidation, carburization, and thermal cycling in temperatures up to 2200°F (1200°C), making it ideal for severe thermal processing applications. --- **Chemical Composition (Weight %)** | Element | Content (%) | Role in Alloy | |---------|-------------|---------------| | Ni | 34.0-37.0 | Base element, provides oxidation resistance | | Cr | 17.0-20.0 | Forms protective oxide scale | | Fe | Balance | Base element | | Si | 0.75-1.50 | Enhances carburization resistance | | Mn | ≤2.00 | Improves hot workability | | C | ≤0.08 | Provides high-temperature strength | | P | ≤0.030 | Controlled impurity | | S | ≤0.030 | Controlled impurity | --- **Physical & Mechanical Properties** | Property | Value | |----------|-------| | Density | 8.0 g/cm³ | | Melting Point | 1371-1427°C (2500-2600°F) | | Thermal Expansion | 14.4 μm/m·°C (20-300°C) | | Thermal Conductivity | 12.5 W/m·K @ 100°C | | Tensile Strength | 620 MPa min | | Yield Strength | 310 MPa min | | Elongation | 30% min | --- **International Standards** | Standard Type | Specification | |---------------|---------------| | ASTM | B536 (Plate, Sheet, Strip) | | ASME | SB-536 | | UNS | N08330 | | EN | 1.4886 / X15NiCrSi36-16 | | AMS | 5716 | --- **Applications** 1. **Heat Treating Industry** - Radiant tubes - Furnace muffles - Retorts and baskets - Heat treatment fixtures 2. **Petrochemical Processing** - Reformer components - Pyrolysis tubes - Transfer lines - Heater tube supports 3. **Thermal Processing** - Annealing covers - Carburizing fixtures - Brazing fixtures - Sintering trays --- **Similar Specifications & Alternative Alloys** | Alloy | UNS | Key Characteristics | Comparison with Alloy 330 | |-------|-----|---------------------|--------------------------| | RA 330® | N08330 | Commercial brand | Essentially identical | | Alloy 800H | N08810 | Higher creep strength | Better for sustained very high temperatures | | Alloy 801 | N08801 | Titanium stabilized | Improved intergranular corrosion resistance | | Alloy 601 | N06601 | Higher Al content | Superior oxidation resistance | | Alloy 600 | N06600 | Lower Fe content | Less carburization resistance | | 310S | S31008 | Lower cost | Limited high-temperature strength | --- **Key Advantages** - **Oxidation Resistance**: Excellent up to 1177°C (2150°F) - **Carburization Resistance**: Superior performance in carbon-rich atmospheres - **Thermal Fatigue Resistance**: Withstands repeated thermal cycling - **High-Temperature Strength**: Maintains mechanical properties at elevated temperatures - **Thermal Stability**: Resists embrittlement from long-term exposure --- **Selection Considerations** Choose Alloy 330 when: - Maximum resistance to carburization is required - Excellent thermal fatigue resistance is needed - Operating in cyclic heating/cooling conditions - Balanced performance in both oxidizing and carburizing environments Consider alternatives when: - Higher creep strength is required (Alloy 800H/HT) - Superior oxidation resistance is needed (Alloy 601) - Budget constraints allow for less demanding applications (310S) --- **Conclusion** Alloy 330 remains the benchmark material for high-temperature applications requiring exceptional resistance to oxidation, carburization, and thermal cycling. Its balanced composition and proven performance make it the preferred choice for critical components in heat treating, petrochemical, and thermal processing industries worldwide.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2713 gallon liquid totes Special package is available on request.