Alloy 400 (UNS N04400) is a nickel-copper alloy with excellent resistance to a wide range of corrosive environments. It is resistant to chloride stress corrosion cracking and has high strength and toughness over a wide range of temperatures.

What Is Monel 400 Pipe Fittings?
Monel 400 pipe fittings are nickel-copper alloys that are hardened by the cold working procedure. Monel fittings are high-strength components exhibiting superior toughness and resistances across different systems. These fittings are highly tolerant to corrosive media and high-temperature systems. The fittings across this grade offer enhanced weldability and can withstand a range of stress-corrosion cracking in water. The pipe fittings play an important role in influencing the characteristics of the flow. These fittings show high resistance to hydrochloric and hydrofluoric acids.
UNS N04400 Elbow Vs Werkstoff Nr. 2.4360 End Cap
Elbows and end caps are versatile components, which play a critical role in protecting piping modules and influencing the characteristics of the flow. A UNS N04400 elbow is employed to change the direction of the flow of fluids and gases across different piping systems. Werkstoff Nr. 2.4360 end cap is designed to seal hydraulic ends in piping modules. These fittings help in effectively protecting piping modules against corrosion and damage during transportation and storage.
Alloy 400 Buttweld Fittings Oil And Gas Application
Alloy 400 buttweld fittings are robust components possessing high strength coupled with excellent resistance against corrosion and oxidation. The fittings in this range are suitable for oil and gas applications as they can withstand high pressures and elevated temperatures. These fittings exhibit high tolerance to hydrochloric and hydrofluoric acids while being resistant to pitting and crevice corrosion. They are widely seen in oil and gas extraction, drilling, storage, refining, pipelines, pumps, cooling tanks, etc.
Difference Between Alloy 400 Tee And Monel 400 Fittings
Pipe fittings are piping equipment that helps in shaping the characteristics of the flow while facilitating their protection across different systems. Monel 400 fittings are high-strength fittings, which can effectively change the direction of the flow, join pipes of different sizes, reduce the flow or divert the flow. Alloy 400 tee is part of the Monel 400 fittings. These components are made up of three branched ports, which help in supplying fluids and gases across three different channels. The fittings can either be equal or reduced.
Table of Content
ASTM B366 UNS N04400 Monel Fittings Specification
| Thickness | SCH20, SCH10, SCH30, SCH60,STD SCH40, XS, SCH 100, SCH 80, SCH 120, SCH 160, SCH 140, XXS available with NACE MR 01-75 |
|---|---|
| Specifications | Astm B366 |
| size | Seamless Butt Weld Fittings: 1/2 Inch - 10 Inch Welded Butt Weld Fittings: 1/2 Inch - 48 Inch |
| Dimensions | ASME B16.28, ANSI/ASME B16.9, MSS-SP-43, BS4504, BS4504, BS10, BS1560 |
| Type | DN15 to DN1200 |
| Bending Radius | R=2D, 1D, 3D, 6D, 5D, 10D 8D, or Custom MSS Sp-43 Monel 400 Pipe Fitting |
| Size Range | ½" NB to 24" NB in Sch 40s, 10s, 80s, XXS, 160s. (DN6~DN100) |
| Elbows | Standard: ASME B16.28, ASME B16.9, DIN2605 MSS SP-75 ASME B16.25, JISB2312 JISB2311 JISB2313, GB, BS, ISO Angle : 30deg, 22.5 deg, 45 deg, 180 deg, 90 deg, 1.0D, 2.0D, 1.5D, 2.5D, 4D, 3D, 5D,7D-40D, 6D . |
| Manufacturing process | Cast, Forge, Press,Push, etc. |
| Connection | Welding |
| Key markets and industries |
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| Specialized manufacturer of | 45º Elbows, 90º Elbows, Tees, Reducers,Crosses, Pipe Cap, Pipe Bend, Stub End |
| Test Certificates | Raw Materials Certificate EN 10204/3.1B Third Party Inspection Report, etc100% Radiography Test Report |
| uses and Application |
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| We provide Material Test Certificates (MTC) as per EN 10204 3.2, and EN 10204 3.1 Test Certificates certifying NACE MR0103, NACE MR0175 | |
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Monel 400 Long Radius Elbow
Alloy 400 Pipe Fittings
Standards of Monel 400 Fittings
| UNS: | N04400 |
| Specifications: | ASTM B366 |
Monel 400 Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni |
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.024 max | 28.00 – 34.00 | 2.50 max | 63.00 min |
Well-known Monel 400 Pipe Fittings Manufacturer in India. For final ASTM B366 UNS N04400 Price List Please Call on +91 22 6636 3099.
Monel 400 Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80,000 , MPa – 550 | Psi – 35,000 , MPa – 240 | 40 % |
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UNS N04400 Equivalent
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Monel 400 | 2.4360 | N04400 | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 | NU-30M | NiCu30Fe |
Monel Alloy 400 Properties
| Property | Metric Units |
| Melting Range | 1300-1350°C |
| Density | 8,800 kg/m³ @ 20°C |
| Coefficient of Thermal Expansion | 13.9 x 10 -6 / °C (20°C) |
| Curie Temperature | 20-50°C |
| Themal Conductivity | 21.8 W/m. °C @ 20°C |
| Thermal Capacity (Specific Heat) | 427 J/kg. °C @ 20°C |
| Electrical Conductivity | 32 % IACS |
| Electrical Resistivity | 0.547 microhm.m @ 20°C |
| Modulus of Elasticity (tension) | 179 GPa @ 20°C |
| Modulus of Rigidity (torsion) | 65.5 GPa @ 20°C |
| Poisson’s Ratio | 0.32 |
Monel 400 Pipe Fittings Size
| Outer Diameter And Inside Diameter | Equivalent | Diameter Of Pipe Nominal | Typical Threads In Inches |
| 5/16 | 0.313 | 1/16 | 27 |
| 13/32 | 0.405 | 1/8 | 27 |
| 35/64 | 0.540 | 1/4 | 18 |
| 43/64 | 0.675 | 3/8 | 18 |
| 27/32 | 0.840 | 1/2 | 14 |
| 1-3/64 | 1.050 | 3/4 | 14 |
| 1-5/16 | 1.315 | 1 | 11-1/2 |
1-21/32 | 1.660 | 1-1/4 | 11-1/2 |
| 1-29/32 | 1.900 | 1-1/2 | 11-1/2 |
| 2-3/8 | 2.375 | 2 | 11-1/2 |
| 2-7/8 | 2.875 | 2-1/2 | 8 |
| 3-1/2 | 3.500 | 3 | 8 |
| 4 | 4.000 | 3-1/2 | 8 |
ASTM B366 Monel 400 Density
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.8 gm/cm3 | 0.318 lb/in3 |
Monel 400 Buttweld Fittings Annealing Temperature
MONEL 400 alloy may be annealed at 926°C (1700°F).
Monel 400 Allowable Stress
| Metal Temperature, °F | -20~100 | 200 | 300 | 400 | 500 | 600 |
| Max. Allowable Stress, ksi | 16.7 | 14.6 | 13.6 | 13.2 | 13.1 | 13.1 |
| Metal Temperature, °F | 650 | 700 | 750 | 800 | 850 | 900 |
| Max. Allowable Stress, ksi | 13.1 | 13.0 | 12.9 | 12.7 | 11.0 | 8.0 |
Check Hardness Of Monel Alloy 400 Long/ Short Radius Elbow and Monel K500 2D/ 3D/9D Tube Bends Supplier & Manufacturers In Mumbai, India.
Monel 400 Brinell Hardness
| Properties | Metric | Imperial |
|---|---|---|
| Brinell hardness | 125-215 | 125-215 |
| Rockwell B hardness | 70-96 | 70-96 |
Alloy 400 Corrosion Resistance
Alloy 400 (UNS N04400) is a nickel-copper alloy with excellent resistance to a wide range of corrosive environments. It is resistant to chloride stress corrosion cracking and has high strength and toughness over a wide range of temperatures.
UNS N04400 Heat Treatment
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Monel 400 Melting Point
Monel alloy 400 has a specific gravity of 8.80, a melting range of 1300–1350 °C
Monel 400 Long Radius Elbow Modulus Of Elasticity
| Properties | Metric | Imperial |
|---|---|---|
| Modulus of elasticity | 179 GPa | 26000 ksi |
ASTM B366 Monel 400 Thermal Expansion Coefficient
| Property | Metric Units |
|---|---|
| Coefficient of Thermal Expansion | 13.9 x 10 -6 / °C (20°C) |
Alloy 400 Pipe Fittings Types
Monel 400 Welding Electrode
Monel Is Often Welded Via Gas Tungsten Arc, Gas Metal Arc, And Submerged Arc Welding.
Monel 400 Pipe Fittings Machinability
The Machinability Of Monel 400 Is Difficult As It Work-hardens During Machining. The Conventional Machining Techniques Used On Iron Alloys May Be Used For This Alloy.
Is Alloy 400 Magnetic
The Alloy Is Slightly Magnetic At Room Temperature. Monel 400 Is Widely Used In The Chemical, Oil And Marine Industries.
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ASME SB366 UNS N04400 Monel Tube Fittings Documentation
Monel 400 Socket weld Fittings Types
PED Certified Monel Fittings Manufacturers in India, Weight Of 2.4360 Eccentric/ Concentric Reducer In MM.
Test Certificate of Monel 400 Pipe Fittings
Alloy 400 Tube Fittings Marking

Monel 400 Forged Fittings Services
Alloy 400 Fittings Price
| Description | Per Unit (INR) |
|---|---|
| ALLOY FITTING FITTING TYPE LAPJOINT STUB END SIZE DIA 4X LG 3 X THK 0.237 IN MATERIAL MONEL 400 ASTM B 366 WP | 24,089 |
| SWAGE NIPPLE SCH XSS IN ASTM MONEL B1652 X 1 MONEL K 400 (METAL FITTINGS) | 13,157 |
| FITTING TYPE LAP JOINT STUB END SIZE DIA3 X LG2-1/2XTHK 0.12 IN MATERIAL MONEL400 ASTM B366 WPNC OR WPNCW STANDARD ANS | 6,125 |
| PIPE FITTINGS & FLANGES:NIPPLE PIPE TYPESEAMLESS SIZE 1/2 INCH LENGTH 6 INCH CONNECTION TBE MATERIAL MONEL 400 ASTM B16 | 2,173 |
| NICKEL - ALLOY STEEL FITTINGS END TYPE STUB LAP JOINT SZ DIA 16IN MATERIAL MONEL400 ASTM B366 GR WPNC OR WPNC-W STANDAR | 60,999 |
| NICKEL - ALLOY STEEL FITTINGS TEE PIPE REDUCER SIZE 16 X 16 X 6 IN CONNECTION BWMATERIAL MONEL 400 ASTM B366 RATING SCH | 220,666 |
| FITTINGS : MONEL 400 EQUAL TEE 1/2 NPT(F) X (F) 3000# -8NTTT. | 2,045 |
| FITTINGS : MONEL 400 PLUG 1/2 NPT (M)-8N PLUG | 335 |
| FITTINGS : MONEL-400 REDUCING BRANCH TEE1 NB SW 16STTB8S X 1/2 NBSW-3000# | 4,323 |
| FITTINGS : MONEL-400 ELBOW-1/2 NBSW-3000#8SWELU | 1,646 |
Monel Fittings Hs Code
| Hs Code | Description |
| 75072000 | Tube or Pipe Fittings |