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Ganpat Metal manufactures and supplies certified Monel Butt Weld Fittings conforming to ASTM B366 / ASME SB366 Grade WPN (Monel 400, UNS N04400). As a nickel-copper solid-solution alloy, Monel 400 provides exceptional resistance to fast-flowing seawater, brackish water, boiling hydrofluoric acid (HF), sulfuric acid, alkaline solutions, and non-oxidizing salts.
Our Monel butt weld fittings range encompasses 90° and 45° elbows, straight tees, reducing tees, concentric and eccentric reducers, end caps, and stub ends. Manufactured in seamless and welded construction with ASME B16.9 dimensional conformance, Monel 400 fittings undergo full annealing to relieve forming stresses and maintain optimal elongation and toughness down to sub-zero temperatures.
Available in sizes from 1/2" NB to 24" NB across schedules 10S, 40S, 80S, and 160, all Monel fittings are supplied with EN 10204 Type 3.1 Mill Test Certificates and optional third-party inspection from our central Mumbai warehouse.
GM handles enquiries for Monel Butt Weld Fittings where buyers need to match fitting types (elbows, tees, reducers, end caps), nominal pipe sizes (NPS / DN), wall thickness schedules, and material grade to piping isometric drawings or project purchase specifications. The supplied inventory covers seamless and 100% X-ray welded fittings from 1/2" NB up to 48" NB across all schedules from Sch 10S to Sch XXS.
Grade selection should be based on the design pressure, service temperature, fluid media corrosivity, and mechanical strength requirements of the piping system. Buyers should also confirm the applicable manufacturing standard (ASME B16.9 / MSS-SP-43), weld bevel preparation (ASME B16.25), supplementary inspection requirements (radiography, PMI, hydrotest), and test documentation before finalizing an order.
| Parameter | Specification |
|---|---|
| Standard Specifications | ASTM B366 / ASME SB366, ASME B16.9, MSS-SP-43 |
| Available Grades | ASTM B366 WPN (Monel 400, UNS N04400) |
| Fitting Types | 90°/45° LR Elbows, Equal/Reducing Tees, Concentric/Eccentric Reducers, End Caps |
| Size Range | 1/2" NB to 24" NB (Seamless & Welded) |
| Schedule / Thickness | Sch 10S, Sch 40S, Sch 80S, Sch 160 |
| Corrosion Resistance | Superior resistance to marine biofouling, flowing seawater, and HF acid |
| Heat Treatment | Annealed at 760°C - 870°C followed by air or water quench |
| End Preparation | Beveled Ends to ASME B16.25 (37.5° ± 2.5°) |
| Testing & Certification | 100% PMI, Liquid Penetrant (PT), Radiography (RT), Hydrostatic test |
| Documentation | EN 10204 Type 3.1 / 3.2 Mill Test Certificate, NACE MR0175 / ISO 15156 |
Standard chemical composition limits conform to international metallurgical standards.
| Grade | Ni min | Cu | Fe max | Mn max | C max | Si max | S max |
|---|---|---|---|---|---|---|---|
| Monel 400 | 63.0 | 28.0 – 34.0 | 2.5 | 2.0 | 0.30 | 0.50 | 0.024 |
Minimum mechanical property requirements in designated standard delivery condition:
| Grade | Tensile Strength (min) | Yield Strength 0.2% (min) | Elongation (min) | Hardness (max) |
|---|---|---|---|---|
| Monel 400 (Annealed) | 485 MPa (70 ksi) | 195 MPa (28 ksi) | 35% | 150 HBW / 75 HRB |
| Standard / Country | Designation |
|---|---|
| Monel 400 | UNS N04400 • W.Nr. 2.4360 • EN NiCu30Fe • Alloy 400 • BS 3076 NA13 |
| Form / Type | Size Range | Length / Dimensions | Condition / Standard |
|---|---|---|---|
| 90° Long Radius (LR) Elbow | 1/2" to 48" NB (DN15 - DN1200) | Sch 5S to Sch XXS | ASME B16.9 / R = 1.5D |
| 45° Long Radius (LR) Elbow | 1/2" to 48" NB (DN15 - DN1200) | Sch 5S to Sch XXS | ASME B16.9 / Standard Radius |
| 90° Short Radius (SR) Elbow | 1/2" to 36" NB (DN15 - DN900) | Sch 10S to Sch XXS | ASME B16.9 / R = 1.0D |
| Equal / Straight Tee | 1/2" to 48" NB (DN15 - DN1200) | Sch 5S to Sch XXS | ASME B16.9 / Center-to-End C = M |
| Reducing Tee | 1/2" x 3/8" to 48" x 40" NB | Sch 5S to Sch XXS | ASME B16.9 / Branch Dimension M |
| Concentric Reducer | 1/2" x 3/8" to 48" x 40" NB | Sch 5S to Sch XXS | ASME B16.9 / In-line Center Flow Axis |
| Eccentric Reducer | 1/2" x 3/8" to 48" x 40" NB | Sch 5S to Sch XXS | ASME B16.9 / Flat Side for Horizontal Lines |
| End Cap | 1/2" to 48" NB (DN15 - DN1200) | Sch 5S to Sch XXS | ASME B16.9 / Ellipsoidal Head Profile |
| Stub End (Lap Joint) | 1/2" to 24" NB (DN15 - DN600) | Sch 5S to Sch 80 | MSS-SP-43 / ASME B16.9 Short/Long Pattern |
Custom dimensions, special cuts, and tailored surface conditions available on request.
Estimate butt weld fitting weights by fitting type, nominal pipe size (NPS) and schedule.
Ganpat Metal manufactures and supplies certified Monel Butt Weld Fittings for industrial buyers across India. All materials are sourced from premium quality mills, fully tested for chemistry, mechanical properties, and dimensional tolerances, and supplied with complete traceable Mill Test Certificates.
Whether you require standard stock dimensions or customized sizes, Ganpat Metal maintains deep inventories in Mumbai and provides rapid dispatch, custom cut-to-length services, and third-party inspection support.
India
UAE
Saudi Arabia
Oman
Australia
Malaysia
Singapore
Bangladesh
Egypt
Brazil
Russia
Kazakhstan
| Requirement | Details to Provide |
|---|---|
| Fitting Type | 90°/45° LR Elbow, Equal Tee, Reducing Tee, Reducer, Cap, Stub End |
| Grade | ASTM B366 Monel 400 (UNS N04400) |
| Size (NPS / DN) | 1/2" NB to 24" NB |
| Schedule / Wall | Sch 10S, Sch 40S, Sch 80S, Sch 160 |
| Construction | Seamless or 100% X-Ray Welded (ASME B16.9) |
| End Preparation | Beveled Ends (ASME B16.25) or Plain Square Cut |
| Quantity | Required number of pieces or BOM list |
| Documentation | EN 10204 Type 3.1 / 3.2 MTC with full melt analysis & PMI |
