High Temperature Alloy Coil (Inconel®, Haynes®, Nimonic®, etc.)
✓ Ultra-High Temperature Resistance: Maintains tensile strength at 1,100°C (2,012°F) with **<0.5% scaling** after 500 hours (Haynes 230).
✓ Corrosion Immunity: Resists chloride stress corrosion cracking (Cl-SCC), molten salts, and sulfuric acid (H₂SO₄) with **<0.03mm/year corrosion rate**.
✓ Thermal Fatigue Resistance: Withstands 15,000+ thermal cycles between 25°C–1,100°C (77°F–2,012°F) without cracking.
✓ Precision Formability: Cold-rolled to **±0.05mm thickness tolerance** and Ra ≤0.8μm surface finish for stamping, welding, and deep drawing.
High Temperature Alloy Coil (Inconel®, Haynes®, Nimonic®, etc.)
Engineered for industries operating in extreme thermal, corrosive, and high-stress environments, our high-temperature alloy coils deliver unparalleled performance in aerospace, energy, and chemical sectors. Made from nickel-chromium-based superalloys (e.g., Inconel 625: Ni-58%, Cr-22%, Mo-9%), these coils withstand continuous temperatures up to 1,200°C (2,192°F) while resisting oxidation, sulfidation, and thermal fatigue. Certified to AMS 5599, ASTM B168, and ASME SB168, they outperform conventional alloys with 10x longer lifespan in aggressive conditions.
- Thickness: 0.1mm–12mm (cold-rolled) / 1mm–25mm (hot-rolled)
- Width: 50mm–2,000mm (slitting tolerance ±0.2mm)
- Surface Finishes: Pickled, Bright Annealed (BA), Electropolished (Ra ≤0.4μm)
- Mechanical Properties (Inconel 625): Yield Strength ≥690 MPa | Tensile Strength ≥930 MPa | Elongation ≥30% | Hardness ≤250 HB
| Parameter Category | Inconel 601 | Inconel 625 | Haynes 230 |
|---|---|---|---|
| Material Standard | ASTM B168, UNS N06601 | ASTM B443, UNS N06625 | ASTM B435, UNS N06230 |
| Chemical Composition (%) | Ni: 58–63, Cr: 21–25, Fe: Balance, Al: 1.0–1.7, C: ≤0.10, Mn: ≤1.0, Si: ≤0.5 | Ni: ≥58, Cr: 20–23, Mo: 8–10, Nb+Ta: 3.15–4.15, Fe: ≤5.0, C: ≤0.10 | Ni: 57–60, Cr: 20–24, W: 13–15, Mo: 1–3, Co: ≤5, Mn: ≤0.5, La: 0.02–0.12 |
| Tensile Strength (MPa) | ≥550 (Annealed) | ≥930 (Annealed) | ≥760 (Annealed) |
| Yield Strength (MPa) | ≥240 (Annealed) | ≥517 (Annealed) | ≥345 (Annealed) |
| Elongation (%) | ≥35 (in 50mm gauge length) | ≥35 (in 50mm gauge length) | ≥40 (in 50mm gauge length) |
| Density (g/cm³) | 8.11 | 8.44 | 8.97 |
| Melting Range (°C) | 1320–1370 | 1290–1350 | 1315–1370 |
| Thermal Conductivity (W/m·K) | 12.3 (20°C) | 12.0 (20°C) | 11.7 (20°C) |
| Thermal Expansion (10⁻⁶/°C) | 14.2 (20–1000°C) | 13.3 (20–100°C) | 12.6 (20–100°C) |
| Max Service Temperature (°C) | 1150 (Oxidizing) | 980 (Oxidizing) | 1150 (Continuous Air Exposure) |
| Creep Rupture Strength | 80 MPa (100h at 600°C) | 200 MPa (100h at 650°C) | 120 MPa (100h at 980°C) |
| Oxidation Resistance | Excellent up to 1250°C (Cr/Al oxide layer). | Good up to 980°C (Cr oxide layer). | Outstanding up to 1150°C (Cr/W-rich oxide). |
| Corrosion Resistance | Resists carburization, nitriding, and sulfur environments. | Resists pitting, chloride stress corrosion, and acids. | Resists carburization, nitridation, and thermal cycling. |
| Heat Treatment | Solution Annealing: 1100–1200°C (rapid cooling). | Solution Annealing: 1093–1177°C (rapid cooling). | Solution Annealing: 1230°C (rapid cooling). |
| Surface Finishes | Cold-Rolled Bright Annealed (BA), Pickled & Passivated. | Same as Inconel 601. | Annealed & Descaled, Polished. |
| Coil Dimensions | – Thickness: 0.5–6.0mm – Width: 50–1500mm – ID: 300–610mm – OD: ≤2500mm. | Same as Inconel 601. | – Thickness: 0.5–5.0mm – Width: 50–1200mm. |
| Key Applications | Furnace components, heat exchanger coils, thermal processing belts. | Aerospace exhaust systems, chemical processing coils. | Gas turbine combustors, industrial furnace belts, nuclear reactors. |
High Temperature Alloy Coil (Inconel®, Haynes®, Nimonic®, etc.) Applications
| Industry | Critical Use Cases | High-Temperature Alloy Coil Advantage |
|---|---|---|
| Aerospace | Jet engine combustion liners, exhaust ducts | 0.03mm oxidation depth after 1,000h at 1,100°C (2,012°F). |
| Power Generation | Gas turbine blades, nuclear reactor internals | Resists creep deformation at 950°C (1,742°F). |
| Chemical Processing | Ethylene cracking coils, reformer furnace parts | Withstands 1,200°C (2,192°F) in H₂S/CO-rich environments. |
| Oil & Gas | Flare tip liners, hydrocracker components | Immunity to sulfidation at 650°C (1,202°F). |
High Temperature Alloy Coil (Inconel®, Haynes®, Nimonic®, etc.) Product Packaging
High Temperature Alloy Coil (Inconel®, Haynes®, Nimonic®, etc.) are engineered for applications in jet engines, gas turbines, and industrial furnaces (operating up to 1,200°C). To preserve their metallurgical integrity and dimensional stability during transit, we deploy aerospace-certified packaging systems and thermal-controlled logistics adhering to AMS 5599, NACE MR0175, and ISO 9328-2 standards.
Anti-rust packaging
VCI gas phase anti-rust film + desiccant (12 months moisture-proof for sea transportation)
Reinforcement method
Steel strapping + wooden pallet (load-bearing ≤ 5 tons)
Surface protection
Polyethylene film layered isolation (anti-scratch)
Customization options
IPPC fumigation wooden box (compliant with ISPM15 standard)
High Temperature Alloy Coil (Inconel®, Haynes®, Nimonic®, etc.) Shipping
Sea transport
40HQ container (loading capacity 28 tons) / bulk carrier (LCL minimum 1 ton)
Air transport
reach major airports around the world within 7 days (DDP/DAP terms)
Land transport
door-to-door within China (qualification for dangerous goods transportation)
Our Services
We guarantee global door-to-door delivery within 7–15 business days via partnerships with DHL, Maersk, and UPS.
Why Choose Us?
Where Precision Meets Partnership，25 years of focus on metal material science，Not only a supplier, but also your engineering consultant，Fast and zero compromise，Sustainable trust cycle。
Full specifications and customization
Unlimited size, support non-standard cutting. Multiple surface treatments.
Professional capabilities
25 Years Of Focus On Metal Materials Science
Certification & Quality Assurance
Products comply with international standards such as ASTM, EN, JIS, etc., and are 100% tested from raw materials to finished products
Fast delivery & global supply
Global urgent orders are delivered within 15 days. One-stop service
FAQ
Q1: How does Inconel 625 compare to Haynes 282 in high-temperature service?
A: Inconel 625 offers superior chloride corrosion resistance, while Haynes 282 excels in creep strength above 750°C (1,382°F).
Q2: What welding parameters prevent sigma phase formation?
A: Use TIG (GTAW) with ERNiCrMo-3 filler, limit heat input to **≤1.2 kJ/mm**, and post-weld heat treat at 1,150°C (2,102°F) for Haynes 230.
Q3: Are coils certified for aerospace engines?
Full compliance includes:
- AMS 5599/AMS 5662 (Aerospace Material Specifications)
- ASME Section III Nuclear Components
- NACE MR0175/ISO 15156
Q4: What’s the minimum order quantity (MOQ)?
Standard stock: 1 ton MOQ.
Custom sizes/tempers: 5 tons MOQ (lead time 35 days).
Q5: How to validate material authenticity?
Scan NFC tags with AlloyGuard™ app to access:
- XRF validation against PMI certificates
- Third-party SGS/BV test reports
- Blockchain-validated EN 10204 3.1/3.2 certifications
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