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Table of Content
Specification of Monel Socket Weld Fittings
Chemical composition of monel threaded fittings
| Grade | Mn | Ni | C | S | Cu | Fe | Si |
|---|---|---|---|---|---|---|---|
| Monel 400 | 2.0 max | 63.0 min | 0.3 max | 0.02 max | 28.0 – 34.0 | 1.0 – 2.5 | 0.5 max |
| Monel K500 | 1.5 max | 63.00 min | 0.25 max | 0.010 max | 27.00-33.00 | 0.5-2 | 0.5 max |
Types of monel socket weld fittings
Alloy 400 threaded tee
UNS No N04400 forged fitting
Monel 400 Threaded Elbow
Monel K500 Forged Tees
Equivalent grade of UNS N04400 forged fitting
| STANDARD | UNS | EN | GOST | AFNOR | BS | WERKSTOFF NR. | JIS |
|---|---|---|---|---|---|---|---|
| Monel 400 | N04400 | NiCu30Fe | МНЖМц 28-2,5-1,5 | NU-30M | NA 13 | 2.4360 | NW 4400 |
| Monel K500 | N05500 | - | - | - | - | 2.4375 | - |
Mechanical properties of alloy 400 socket weld fitting
| Element | Yield strength (0.2%Offset) | Density | Elongation | Tensile strength | Melting point |
|---|---|---|---|---|---|
| Monel 400 | Psi-35000,MPa-240 | 8.8g/cm3 | 40% | Psi–80000,MPa–550 | 1350°C(2460°F) |
| Monel K500 | Psi-115000, MPa-790 | 8.44g/cm3 | 20% | Psi-160000, MPa-1100 | 1350°C(2460°F) |
Specification of Monel Threaded Fittings
Applications of monel forged fittings
Frequently asked questions
1. What is the standard for forged fittings?
→ ASME B16. 11
2. What is the pressure rating for forged fittings?
→ 3,000 psi and 600 psi
3. How are forged steel fittings made?
→ Using a forging process