High Temperature Alloy Pipe (Inconel®, Haynes®, Nimonic®, etc.)
✓ Ultra-High Temperature Resistance: Maintains structural integrity at 1,100°C (2,012°F) with **<0.5% scaling** after 1,000 hours (Haynes 230).
✓ Corrosion Immunity: Resists chloride stress corrosion (Cl-SCC), sulfuric acid (H₂SO₄), and molten salts with **<0.03mm/year corrosion rate**.
✓ Thermal Fatigue Resilience: Withstands 15,000+ thermal cycles between 25°C–1,100°C (77°F–2,012°F) without cracking.
✓ Precision Manufacturing: Seamless pipes with **±0.1mm wall thickness tolerance** and Ra ≤0.8μm surface finish for leak-free systems.
High Temperature Alloy Pipe (Inconel®, Haynes®, Nimonic®, etc.)
Engineered for industries operating in extreme thermal, corrosive, and high-pressure environments, our high-temperature alloy pipes deliver unparalleled performance in aerospace, energy, and chemical processing. Made from nickel-chromium-molybdenum superalloys (e.g., Inconel 625: Ni-58%, Cr-22%, Mo-9%), these seamless/welded pipes withstand continuous temperatures up to 1,200°C (2,192°F) while resisting oxidation, sulfidation, and creep deformation. Certified to ASTM B704, ASME SB704, and NACE MR0175, they outperform conventional alloys with 10x longer lifespan in aggressive conditions.
- Sizes: 1/8″–24″ (DN6–DN600)
- Wall Thickness: 0.5mm–50mm (seamless/welded)
- Surface Finishes: Annealed, Pickled, Electropolished (Ra ≤0.4μm)
- Pressure Rating: PN160 (1,600 PSI) at 600°C (1,112°F) (Inconel 625)
- Mechanical Properties (Inconel 625): Yield Strength ≥690 MPa | Tensile Strength ≥930 MPa | Elongation ≥30% | Hardness ≤250 HB
| Parameter Category | Inconel 600 | Inconel 625 | Haynes 230 | Nimonic 80A |
|---|---|---|---|---|
| Material Standard | ASTM B167, UNS N06600 | ASTM B444, UNS N06625 | ASTM B622, UNS N06230 | BS HR 901, UNS N07080 |
| Chemical Composition (%) | Ni: ≥72, Cr: 14–17, Fe: 6–10, C: ≤0.15 | Ni: ≥58, Cr: 20–23, Mo: 8–10, Nb+Ta: 3.15–4.15, Fe: ≤5.0 | Ni: 57–60, Cr: 20–24, W: 13–15, Mo: 1–3, Co: ≤5, Mn: ≤0.5 | Ni: 70–75, Cr: 18–21, Ti: 1.8–2.7, Al: 1.0–1.8, Fe: ≤3.0 |
| Tensile Strength (MPa) | 550–720 (Annealed) | 930–1030 (Annealed) | 760–895 (Annealed) | 900–1100 (Aged) |
| Yield Strength (MPa) | 240–345 (Annealed) | 517–690 (Annealed) | 345–415 (Annealed) | 600–850 (Aged) |
| Elongation (%) | ≥35 (in 50mm) | ≥35 (in 50mm) | ≥40 (in 50mm) | ≥15 (in 50mm) |
| Hardness | Rockwell B70–90 | Rockwell B85–100 | Rockwell B85–95 | Rockwell C25–35 |
| Density (g/cm³) | 8.47 | 8.44 | 8.97 | 8.19 |
| Melting Range (°C) | 1320–1370 | 1290–1350 | 1315–1370 | 1360–1425 |
| Thermal Conductivity (W/m·K) | 14.9 (20°C) | 12.0 (20°C) | 11.7 (20°C) | 12.5 (20°C) |
| Thermal Expansion (10⁻⁶/°C) | 13.3 (20–100°C) | 13.3 (20–100°C) | 12.6 (20–100°C) | 13.8 (20–100°C) |
| Max Service Temperature (°C) | 1100 (Oxidizing) | 980 (Oxidizing) | 1150 (Continuous Air Exposure) | 750 (Continuous) |
| Corrosion Resistance | Excellent oxidation resistance; resists chlorine stress cracking. | Resists pitting, chloride stress corrosion, and acids. | Outstanding oxidation and carburization resistance. | Good oxidation resistance; resists sulfidation. |
| Creep Rupture Strength | 80 MPa (100h at 600°C) | 200 MPa (100h at 650°C) | 120 MPa (100h at 980°C) | 120 MPa (100h at 700°C) |
| Heat Treatment | Annealing: 870–980°C (air cooling). | Solution Annealing: 1093–1177°C (rapid cooling). | Solution Annealing: 1230°C (rapid cooling). | Aging: 700–800°C for 16h. |
| Surface Finishes | Annealed & Pickled, Polished (Ra ≤0.8μm). | Same as Inconel 600. | Annealed & Descaled, Polished. | Hot Rolled, Pickled & Passivated. |
| Pipe Dimensions | – OD: 10.3–1200mm – Wall Thickness: 1.24–50mm – Length: 5–12m. | Same as Inconel 600. | – OD: 10.3–600mm – Wall Thickness: 1.24–30mm. | – OD: 10.3–500mm – Wall Thickness: 1.24–25mm. |
| Key Applications | Heat exchanger tubes, furnace components, nuclear reactors. | Aerospace exhaust systems, chemical processing pipes. | Gas turbine combustors, industrial furnace tubes. | Gas turbine blades, exhaust valves, high-temperature piping. |
High Temperature Alloy Pipe (Inconel®, Haynes®, Nimonic®, etc.) Applications
| Industry | Critical Use Cases | High-Temperature Alloy Pipe Advantage |
|---|---|---|
| Aerospace | Jet engine exhaust ducts, combustor liners | 0.02mm oxidation depth after 1,000h at 1,100°C (2,012°F). |
| Oil & Gas | Sour gas pipelines, flare stack components | Resists H₂S >10,000 ppm at 200°C (392°F). |
| Chemical Processing | Ethylene cracker tubes, sulfuric acid reactors | Withstands 1,200°C (2,192°F) in H₂S/CO-rich environments. |
| Nuclear | Reactor coolant channels, spent fuel systems | Immunity to radiation-induced embrittlement per ASME III. |
High Temperature Alloy Pipe (Inconel®, Haynes®, Nimonic®, etc.) Product Packaging
High Temperature Alloy Pipe (Inconel®, Haynes®, Nimonic®, etc.) are engineered for aerospace turbines, nuclear reactors, and high-stress industrial applications (operating up to 1,300°C). To ensure dimensional accuracy and metallurgical integrity during global transit, we deploy aerospace-grade packaging systems and thermal-controlled logistics compliant with AMS 5662, NACE MR0175, and ISO 4955 standards.
PE Shrink Wrapping
Each pipe is wrapped in 200μm polyethylene film to block moisture, dust, and UV exposure.
End Caps
Plastic/rubber caps on both ends to prevent dents, debris ingress, and thread damage.
Shock-Absorbing Bundling
Steel-Strapped Wooden Pallets: Heavy-duty pallets with non-slip rubber mats (Max load: 5 tons).
QR-coded tags
QR-coded tags linked to Mill Test Certificates (MTC), EN 10204 3.1 standards, and pipe batch history.
High Temperature Alloy Pipe (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 differ from 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 methods 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 pipes certified for aerospace engines?
Full compliance includes:
- AMS 5599/AMS 5362 (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 hydrotest data
- Blockchain-validated EN 10204 3.1/3.2 certifications
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