Alloy 330，Incoloy 330 Sheet，,E FORU

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

### **Product Introduction: Alloy 330 / Incoloy 330 Sheet (UNS N08330)** **Alloy 330 Sheet** is a nickel-iron-chromium superalloy supplied in thin, flat-rolled form, specifically engineered to deliver exceptional performance in high-temperature applications. Renowned for its outstanding resistance to oxidation, carburization, and thermal cycling, this product offers superior mechanical properties and durability in temperatures up to 2200°F (1200°C). The sheet form provides excellent versatility for fabrication into various components requiring precise dimensions, smooth surface finishes, and consistent material properties throughout industrial thermal processing equipment. --- ### **Chemical Composition (Weight %)** The chemical composition is meticulously controlled to ensure optimal high-temperature performance and stability. | Element | Content (%) | Role in the Alloy | | :--- | :--- | :--- | | **Nickel (Ni)** | 34.0 - 37.0 | Provides fundamental resistance to oxidation and carburization; stabilizes austenitic structure | | **Chromium (Cr)** | 17.0 - 20.0 | Forms protective chromium oxide scale (Cr₂O₃) for oxidation resistance | | **Iron (Fe)** | Balance | Base element providing structural framework | | **Silicon (Si)** | 0.75 - 1.50 | Critical for enhancing carburization resistance and scale adhesion | | **Manganese (Mn)** | ≤ 2.00 | Improves hot workability and sulfur tolerance | | **Carbon (C)** | ≤ 0.08 | Contributes to high-temperature strength | | **Phosphorus (P)** | ≤ 0.030 | Controlled impurity | | **Sulfur (S)** | ≤ 0.030 | Controlled impurity | --- ### **Physical & Mechanical Properties (Annealed Condition)** | Property | Value | | :--- | :--- | | **Density** | 8.0 g/cm³ (0.289 lb/in³) | | **Melting Point** | 1371 - 1427 °C (2500 - 2600 °F) | | **Thermal Expansion Coefficient** | 14.4 μm/m·°C (20-300°C) | | **Thermal Conductivity** | 12.5 W/m·K (at 100°C) | | **Modulus of Elasticity** | 196 GPa (28.4 × 10⁶ psi) | | **Tensile Strength** | 620 MPa (90 ksi) min | | **Yield Strength (0.2% Offset)** | 310 MPa (45 ksi) min | | **Elongation** | 35% min | | **Hardness (Rockwell B)** | ≤ 85 HRB | --- ### **International Standards** Alloy 330 sheet conforms to rigorous international standards ensuring quality and performance consistency. | Standard Body | Standard Number | Title / Scope | | :--- | :--- | :--- | | **ASTM** | B536 | *Nickel-Iron-Chromium-Silicon Alloy Plate, Sheet, and Strip* | | **ASME** | SB-536 | *Boiler and Pressure Vessel Code Version* | | **UNS** | **N08330** | Unified Numbering System | | **EN** | 10095 | *Heat Resisting Steels and Nickel Alloys (1.4886)* | **Available Forms & Specifications:** - **Thickness Range:** 0.5mm to 6.0mm (0.020" to 0.250") - **Width:** Up to 1500mm (60 inches) - **Length:** Up to 4000mm (160 inches) - **Surface Finish:** 2B, No. 1, Annealed and Pickled --- ### **Product Applications** Alloy 330 sheet is extensively used in applications requiring thin-section high-temperature components: 1. **Heat Treatment Industry** - **Furnace Liners & Baffles:** Protecting furnace interiors from direct flame impingement - **Retort Assemblies:** Fabricated containers for atmosphere heat treatment - **Heat Shields & Reflectors:** Maximizing thermal efficiency in furnace designs 2. **Aerospace & Defense** - **Afterburner Components:** In jet engine applications - **Thermal Protection Systems:** For high-temperature areas in aircraft - **Exhaust System Components:** For ground support equipment 3. **Petrochemical Processing** - **Furnace Linings:** In reformer and cracking furnaces - **Expansion Joints:** Accommodating thermal movement in piping systems - **Heat Exchanger Components:** In waste heat recovery units 4. **Industrial Heating Equipment** - **Combustion Chambers:** For high-temperature burners - **Radiant Section Panels:** In industrial ovens and furnaces - **Thermal Barrier Systems:** Protecting structural components --- ### **Fabrication Characteristics** **Forming and Machining:** - Excellent formability in annealed condition - Can be deep drawn, stretch formed, and roll formed - Machinability rating: ~40% (compared to 1212 steel) - Requires sharp tooling with positive rake angles - Recommended to use slow speeds with heavy, continuous feeds **Welding Compatibility:** - Excellent weldability using common processes - **GTAW (TIG):** Preferred for thin sheet applications - **GMAW (MIG):** Suitable for automated welding - **Resistance Welding:** Applicable for sheet metal fabrication - **Recommended Filler Metals:** ERNiCr-3 (Alloy 82) or ERNiCrSi-1 **Surface Treatment:** - Pickling recommended after heat treatment - Can be polished to various surface finishes - Suitable for ceramic coating applications --- ### **Quality Assurance** - **Mill Certification:** Supplied with full traceability and material certification - **Surface Quality:** Controlled surface conditions free from imperfections - **Dimensional Tolerance:** Meets ASTM B536 requirements - **Testing Capabilities:** RT, UT, PT, and mechanical testing available --- ### **Alternative & Similar Alloys** | Alloy | UNS | Key Characteristics | Comparison to Alloy 330 Sheet | | :--- | :--- | :--- | :--- | | **RA 330®** | N08330 | Trademark version | Essentially identical in composition | | **Alloy 800H** | N08810 | Higher creep strength | Better for sustained very high temperatures | | **Alloy 601** | N06601 | Higher aluminum content | Superior oxidation resistance | | **Alloy 310S** | S31008 | Lower nickel content | Limited carburization resistance | --- ### **Conclusion** **Alloy 330 / Incoloy 330 Sheet** represents an optimal solution for high-temperature applications requiring thin-section materials with exceptional resistance to oxidation, carburization, and thermal cycling. Its balanced chemistry, combined with excellent fabrication characteristics, makes it indispensable for furnace manufacturers, aerospace engineers, and industrial equipment builders seeking reliable performance in demanding thermal environments. The material's availability in precise thicknesses with consistent mechanical properties ensures successful implementation in both standard and custom applications across global industrial sectors, providing long service life and reduced maintenance costs in extreme operating conditions.

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 2709 gallon liquid totes Special package is available on request.