Monel Products Supplier
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- Precision-engineered Monel 400 & K500 pipes, tubes, sheets, bars, fittings and flanges — certified to ASTM/ASME, ready in stock, and shipped worldwide.
- ISO 9001:2015 Certified • 25+ Years in Alloy Supply • PED / NORSOK Compliant • Third-Party Inspection Welcome
Table of Contents
- Monel Products we supply
- Monel Products Specifications
- Monel Products Mechanical Properties
- Monel Products Physical Properties
- Properties of Monel
- Grades of Monel
- Applications & Industries Served
- Monel 400 vs Monel K500
- Monel vs Stainless Steel
- Quality, Manufacturing & Certifications
- FAQ’s About Monel
Monel Products Supplier, Manufacturer & Exporter in India
Monel is a high-performance nickel-copper alloy prized for its outstanding resistance to corrosion, seawater, and harsh chemical environments where ordinary stainless steel simply fails. At Kalpaturu Piping, we manufacture, stock, and export a complete range of Monel products engineered for the industries that demand absolute reliability at marine, offshore oil & gas, chemical processing, desalination, and aerospace. Our portfolio spans Monel 400 (UNS N04400) and the age-hardenable Monel K500 (UNS N05500) across pipes, tubes, sheets, plates, round bars, forged and buttweld fittings, flanges, and fasteners. Every batch is produced to ASTM, ASME, and international standards, backed by EN 10204 3.1 material test certificates and full traceability. As a trusted Monel products supplier in India, we combine deep metallurgical expertise with a large ready inventory, competitive pricing, and on-time global delivery. Whether you need a single custom-cut length or a bulk project consignment, our technical team helps you select the right grade, size, and finish and delivers it with certification you can rely on.
Monel Products We Supply
- Specifications
- Chemical Composition (%)
- Mechanical Properties
- Physical Properties
- Equivalent Grades
- Properties of Monel Products
Monel Products Specifications
|
Standard |
Grade |
Form |
Size Range |
Schedule / Thickness |
End / Finish |
|
ASTM B127 / SB127 |
400, K500 |
Sheets & Plates |
0.5–50 mm thick |
Custom |
Hot/Cold Rolled, Polished |
|
ASTM B164 / SB164 |
400, K500 |
Rods, Bars & Wire |
Dia 3–200 mm |
— |
Bright, Black, Annealed |
|
ASTM B165 / SB165 |
400, K500 |
Pipes & Tubes |
1/2″–12″ NB |
SCH 5S–XXS |
Plain / Bevelled / Threaded |
|
ASTM B366 / SB366 |
400, K500 |
Buttweld Fittings |
1/2″–24″ |
SCH 5S–XXS |
Bevelled / Plain End |
|
ASTM B163 / SB163 |
400 |
Heat-Exchanger Tubes |
OD 6–114 mm |
0.7–12 mm |
Bright Annealed, Pickled |
|
ASTM B564 / SB564 |
400, K500 |
Flanges |
1/2″–48″ |
Class 150–2500 |
Forged, Machined |
|
ASTM F467 / F468 |
400, K500 |
Fasteners |
M3–M64 |
— |
Plain / PTFE Coated |
Monel Products Chemical Composition (%)
| Element | Monel 400 (N04400) | Monel K500 (N05500) |
|---|---|---|
| Nickel (Ni) | 63.0 min | 63.0 min |
| Copper (Cu) | 28.0 – 34.0 | 27.0 – 33.0 |
| Iron (Fe) | 2.5 max | 2.0 max |
| Manganese (Mn) | 2.0 max | 1.5 max |
| Carbon (C) | 0.30 max | 0.25 max |
| Silicon (Si) | 0.5 max | 0.5 max |
| Sulphur (S) | 0.024 max | 0.010 max |
| Aluminium (Al) | — | 2.30 – 3.15 |
| Titanium (Ti) | — | 0.35 – 0.85 |
Monel Products Mechanical Properties
| Property | Monel 400 | Monel K500 (Aged) |
| Tensile Strength | ≥ 480 MPa (70 ksi) | ≥ 965 MPa (140 ksi) |
| Yield Strength (0.2%) | ≥ 170 MPa (25 ksi) | ≥ 655 MPa (95 ksi) |
| Elongation | ≥ 35 % | ≥ 20 % |
| Hardness | 110 – 150 HB | 250 – 315 HB |
| Density | 8.80 g/cm³ | 8.44 g/cm³ |
Monel Products Physical Properties
| Property | Value (Monel 400) |
|---|---|
| Density | 8.80 g/cm³ |
| Melting Range | 1300 – 1350 °C |
| Electrical Resistivity | 547 nΩ·m |
| Thermal Conductivity | 21.8 W/m·K |
| Modulus of Elasticity | 179 GPa |
| Magnetic Permeability | Non-magnetic to slightly magnetic |
Monel Products Equivalent Grade Standards
| Standard | Monel 400 | Monel K500 |
|---|---|---|
| UNS | N04400 | N05500 |
| Werkstoff (WNR) | 2.4360 / 2.4361 | 2.4375 |
| British (BS) | NA 13 | NA 18 |
| AFNOR | NU-30M | NU-30AT |
| EN | NiCu30Fe | NiCu30Al |
| Product Form | Condition | Tensile Strength (ksi) | Yield Strength (ksi) | Elongation (%) | Brinell Hardness (HB) | Rockwell Hardness | Tensile Strength (MPa) | Yield Strength (MPa) |
| Rod & Bar | Annealed | 75–90 | 25–50 | 35–60 | 110–149 | 60–80 HRB | 517–620 | 172–345 |
| Rod & Bar | Hot-Finished* | 80–110 | 40–100 | 30–60 | 140–241 | 75–100 HRB | 552–758 | 276–690 |
| Rod & Bar | Hot-Finished Hexagons (>2⅛ in.) & Angles | 75–100 | 30–55 | 30–50 | 130–184 | 72–90 HRB | 517–690 | 207–379 |
| Rod & Bar | Cold-Drawn, Stress-Relieved | 84–120 | 55–100 | 22–40 | 160–225 | 85–100 HRB | 579–827 | 379–690 |
| Plate | Hot Rolled | 75–95 | 40–75 | 30–45 | 125–215 | 70–96 HRB | 517–655 | 276–517 |
| Plate | Hot Rolled, Annealed | 70–85 | 28–50 | 35–50 | 110–140 | 60–76 HRB | 482–586 | 193–345 |
| Sheet | Annealed | 70–85 | 30–45 | 35–45 | — | 65–80 HRB | 482–586 | 207–310 |
| Sheet | Cold Rolled, Hard | 100–120 | 90–110 | 2–15 | — | ≥93 HRB | 690–827 | 621–758 |
| Cold Rolled Strip | Annealed | 70–85 | 25–45 | 35–55 | — | ≤68 HRB | 482–586 | 172–310 |
| Cold Rolled Strip | Spring Temper | 100–140 | 90–130 | 2–15 | — | ≥98 HRB | 690–965 | 621–896 |
| Seamless Pipe & Tube | Cold Drawn, Annealed | 70–85 | 25–45 | 35–50 | — | ≤75 HRB | 482–586 | 172–310 |
| Seamless Pipe & Tube | Cold Drawn, Stress-Relieved | 100–120 | 55–100 | 15–35 | — | 85–100 HRB | 690–827 | 379–690 |
| Cold Drawn Wire | Annealed | 70–95 | 30–55 | 25–45 | — | — | 482–655 | 207–379 |
Grades of Monel Products
|
Standard |
Grade |
Form |
Size Range |
Schedule / Thickness |
End / Finish |
|---|---|---|---|---|---|
|
ASTM B127 / SB127 |
400, K500 |
Sheets & Plates |
0.5–50 mm thick |
Custom |
Hot/Cold Rolled, Polished |
|
ASTM B164 / SB164 |
400, K500 |
Rods, Bars & Wire |
Dia 3–200 mm |
— |
Bright, Black, Annealed |
|
ASTM B165 / SB165 |
400, K500 |
Pipes & Tubes |
1/2″–12″ NB |
SCH 5S–XXS |
Plain / Bevelled / Threaded |
|
ASTM B366 / SB366 |
400, K500 |
Buttweld Fittings |
1/2″–24″ |
SCH 5S–XXS |
Bevelled / Plain End |
|
ASTM B163 / SB163 |
400 |
Heat-Exchanger Tubes |
OD 6–114 mm |
0.7–12 mm |
Bright Annealed, Pickled |
|
ASTM B564 / SB564 |
400, K500 |
Flanges |
1/2″–48″ |
Class 150–2500 |
Forged, Machined |
|
ASTM F467 / F468 |
400, K500 |
Fasteners |
M3–M64 |
— |
Plain / PTFE Coated |
Monel vs Stainless Steel
For chloride-rich and seawater environments, Monel outperforms 316/316L stainless steel by resisting pitting and stress-corrosion cracking that commonly attack stainless. While stainless steel is more economical for general service, Monel is the specified choice where failure is not an option — making it the preferred material for marine, offshore, and acid-handling applications.
Monel 400 vs Monel K500 (Quick Comparison)
|
Factor |
Monel 400 |
Monel K500 |
|---|---|---|
|
Strengthening |
Solid-solution |
Age-hardenable |
|
Tensile Strength |
Moderate (~480 MPa) |
High (~965 MPa) |
|
Corrosion Resistance |
Excellent |
Excellent |
|
Best For |
General corrosion service |
High-strength + corrosion |
|
Cost |
Lower |
Higher |
|
Typical Use |
Valves, tubing, vessels |
Shafts, springs, fasteners |
Monel Products Applications & Industries Served
- Marine & Shipbuilding — pump shafts, seawater valves, propeller shafts, and heat exchangers.
- Oil & Gas — offshore drilling risers, wellhead components, and refinery piping.
- Chemical Processing — reactors, vessels, and piping for hydrofluoric and sulphuric acid service.
- Desalination — brine heaters and evaporator tubing for freshwater plants.
- Aerospace — springs, fasteners, and structural components for airframes.
- Power Generation — feedwater heaters and steam generator components.
Quality, Manufacturing & Certifications
Our Monel products move through a controlled, auditable process at every stage:
- Raw material sourced from accredited primary mills with certified heat numbers.
- Positive Material Identification (PMI) and spectro-analysis on incoming stock.
- Precision forming, heat treatment, and dimensional inspection to ASTM/ASME.
- Hydrostatic, ultrasonic, and eddy-current testing as applicable.
- Final documentation: EN 10204 3.1/3.2, MTC, and dispatch traceability.
Certifications & Approvals
ISO 9001:2015
PED 2014/68/EU
NORSOK
NACE MR0175
BV
SGS
Lloyd’s
TÜV
DNV
FAQ’s About Monel Products
What is Monel used for?
Monel is widely used in marine engineering, chemical processing, oil & gas, aerospace, power generation, and heat exchanger applications due to its excellent resistance to seawater, acids, alkalis, and high-temperature corrosion. It is commonly manufactured into pipes, tubes, fittings, flanges, fasteners, plates, bars, and valves for demanding industrial environments.
Who is the manufacturer of Monel in India?
Several manufacturers and suppliers in India produce and supply Monel products in grades such as Monel 400 and Monel K500. These products are available in various forms, including pipes, tubes, fittings, flanges, fasteners, plates, sheets, bars, and rods, and are supplied in accordance with international ASTM, ASME, and UNS specifications for domestic and export markets.
What type of material is Monel?
Monel is a high-performance nickel-copper alloy primarily composed of nickel and copper, with small amounts of iron, manganese, silicon, and other elements. It is known for its outstanding corrosion resistance, high strength, excellent toughness, and good mechanical properties, making it suitable for harsh marine, chemical, and industrial applications.
Which Monel grade is better — 400 or K500?
Neither is universally ‘better’; they suit different needs. Monel 400 is ideal for general corrosion-resistant service and easy weldability. Monel K500 offers the same corrosion resistance plus much higher strength and hardness through age-hardening, making it the choice for shafts, springs, and fasteners under load.
