Section 1: Product Overview
Incoloy pipe fittings are iron-nickel-chromium alloy fittings specifically designed for high-temperature applications with excellent oxidation resistance and creep strength. Our Incoloy fittings meet ASTM B366, ASTM B564, and ASME B16.9 standards, making them the ideal choice for heat exchangers, furnace components, petrochemical processing, and thermal equipment.
As a reliable Incoloy fitting manufacturer, we provide Incoloy 800, 800H, and 825 grades in various fitting types.
Section 2: Key Features
- Excellent high-temperature oxidation resistance up to 1100°C
- Good creep rupture strength for prolonged high-heat exposure
- Resistant to carburization and sulfidation
- Excellent thermal fatigue resistance
- ASTM B366 certified manufacturing process
- Complete material test reports (MTR) provided
Section 3: Available Grades Overview
| Grade | UNS No. | Key Feature | Main Applications |
|---|
| Incoloy 800 | N08800 | Heat resistant | Heat exchangers, furnace |
| Incoloy 800H | N08810 | High carbon – creep strength | High-temperature furnace |
| Incoloy 825 | N08825 | Acid resistant | Chemical processing |
Section 4: Chemical Composition (All Grades)
| Element | 800 | 800H | 825 |
|---|
| Ni (Nickel) | 30.0-35.0 | 30.0-35.0 | 38.0-46.0 |
| Cr (Chromium) | 19.0-23.0 | 19.0-23.0 | 19.0-23.5 |
| Fe (Iron) | ≥39.5 | ≥39.5 | ≥22.0 |
| Mo (Molybdenum) | – | – | 2.5-3.5 |
| Cu (Copper) | ≤0.75 | ≤0.75 | 1.5-3.0 |
| Al (Aluminum) | 0.15-0.60 | 0.15-0.60 | 0.1-0.5 |
| Ti (Titanium) | 0.15-0.60 | 0.15-0.60 | 0.6-1.2 |
| C (Carbon) | ≤0.10 | 0.05-0.10 | ≤0.05 |
| Mn (Manganese) | ≤1.0 | ≤1.0 | ≤1.0 |
| Si (Silicon) | ≤1.0 | ≤1.0 | ≤0.5 |
Section 5: Mechanical Properties (All Grades)
| Property | 800 | 800H | 825 |
|---|
| Tensile Strength | ≥515 MPa | ≥450 MPa | ≥586 MPa |
| Yield Strength | ≥205 MPa | ≥180 MPa | ≥241 MPa |
| Elongation | ≥30% | ≥25% | ≥30% |
| Hardness | 95 HRB max | 95 HRB max | 95 HRB max |
Section 6: Fitting Types & Specifications
Available Fitting Types
| Type | Description | Angle/Type |
|---|
| Elbow | Pipe bend | 90°, 45°, 180° |
| Tee | Branch connection | Equal, Reducing |
| Reducer | Size change | Concentric, Eccentric |
| Cap | Pipe end closure | – |
Size Range
| Parameter | Range |
|---|
| Diameter | 1/2″ (DN15) – 24″ (DN600) |
| Wall Thickness | Sch5s, Sch10s, Sch40s, Sch80s, Sch160 |
Section 7: Applications by Grade
| Grade | Recommended Applications |
|---|
| 800 | Heat exchangers, furnace tubes, petrochemical processing |
| 800H | High-temperature furnace components, radiant tubes |
| 825 | Chemical processing, acid tanks, seawater equipment |
Section 8: Why Choose Us
- ISO 9001:2015 certified manufacturer
- Mill test certificates provided
- Competitive pricing direct from factory
- Quick lead times – typically 2-3 weeks
- Full fitting types – Elbows, Tees, Reducers, Caps
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