Section 1: Product Overview
Monel pipe fittings are copper-nickel alloy fittings with exceptional resistance to seawater and various corrosive media. Our Monel fittings meet ASTM B366, ASTM B564, and ASME B16.9 standards, making them the preferred choice for marine, offshore, chemical processing, and oil refinery applications.
As a leading Monel fitting manufacturer, we provide Monel 400 and K-500 grades in various fitting types.
Section 2: Key Features
- Excellent resistance to seawater and brine solutions
- Good corrosion resistance to acids and alkalis
- High strength with good ductility
- Resistant to stress corrosion cracking
- Non-magnetic in all conditions
- ASTM B366 certified manufacturing process
- Complete material test reports (MTR) provided
Section 3: Available Grades Overview
| Grade | UNS No. | Key Feature | Main Applications |
|---|
| Monel 400 | N04400 | Seawater resistant | Seawater pumps, marine |
| Monel K-500 | N05500 | Precipitation hardening | High strength applications |
Section 4: Chemical Composition (All Grades)
| Element | 400 | K-500 |
|---|
| Ni (Nickel) | ≥63.0 | ≥63.0 |
| Cu (Copper) | 28.0-34.0 | 27.0-34.0 |
| Fe (Iron) | ≤2.5 | ≤2.0 |
| Mn (Manganese) | ≤2.0 | ≤1.5 |
| Si (Silicon) | ≤0.5 | ≤0.5 |
| C (Carbon) | ≤0.30 | ≤0.25 |
| Al (Aluminum) | – | 2.0-3.5 |
| Ti (Titanium) | – | 0.35-0.85 |
Section 5: Mechanical Properties (All Grades)
| Property | 400 | K-500 |
|---|
| Tensile Strength | ≥515 MPa | ≥896 MPa |
| Yield Strength | ≥195 MPa | ≥655 MPa |
| Elongation | ≥35% | ≥20% |
| Hardness | 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 |
|---|
| 400 | Seawater pumps, marine hardware, chemical containers, oil refinery |
| K-500 | Propeller shafts, high-strength fasteners, aerospace components |
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
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