Why Fabricators Pick Our Monel Pipe Mill Stock First?

PMI Checked Ni-Cu Heats

Every coil is spot-tested for nickel & copper ratio before it enters the pipe mill.

Annealed To ASTM B165 Norms

Correct heat cycle keeps ductility and corrosion resistance fully intact on delivery.

Seamless, Welded & Hex Stock

Round, hexagonal & thin-wall Monel sections rolled to your bore & wall class.

Heat-Wise Traceability

Every length carries a heat number matched to its mill test certificate.

Ready Stock, Quick Dispatch

Fast-moving NB sizes cut, bevelled & boxed within days of confirmed order.

Monel Pipe Quick Facts

  • 1Pipe Family: Seamless, Welded, ERW, Hollow & Hexagonal Sections
  • 2Size Coverage: 1/2″ NB to 12″ NB | Sch 10 to XXS
  • 3Governing Standard: ASTM B165, ASTM B725, UNS N04400 / N05500
  • 4Surface Options: Hot Rolled, Bright Annealed, Polished, Cold Drawn
  • 5Common Marking: Monel 400, K-500, N04400, N05500, Monel®
  • 6Service Use: Marine, Exhaust, Chemical Processing & Sour Gas Lines
Monel Pipe

Or call our Mumbai office: +91 22 6743 7134 • Monel pipe dispatched with heat-wise MTC

Every coil starts as certified UNS N04400 or N05500 stock. We track each heat number from melt to finished length. Buyers need a dependable Monel Pipe Supplier in India nearby. We solution anneal, PMI-test and certify every finished Monel ERW Pipe run. Our range covers Monel Seamless Pipe, Monel Welded Pipe and hexagonal sections. Monel Alloy Pipes handle marine shafting, exhaust routing and acid duty. Mild steel and 316L tube corrode fast in these lines. As an established Monel Pipe manufacturer in India, we deliver fast. Custom Monel Pipe drawings and ready stock ship the same day.

Mumbai · Nickel-Copper Alloy Pipe & Tube Exporter

Monel Pipe – Seamless, Welded & ERW Nickel-Copper Piping Solutions

Ganpat Industrial rolls and draws Monel Seamless Pipe, Monel Welded Pipe and Monel Exhaust Pipe ranges for fabricators who cannot afford a pitted or eroded joint in marine, exhaust, acid-handling and offshore piping across India, the GCC and Southeast Asia.

  • ✓ISO 9001:2015
  • ✓NACE MR0175 / ISO 15156
  • ✓ASTM B165 & B725 Certified
  • ✓Mill Test Certificate 3.1
  • ✓Third-Party Inspection Approved

 

 

High Strength Monel Alloy Welded Pipes Supplier in India, Refer Specification

Monel Pipe Specification

Monel Seamless Pipe Size Range

  • NB: 1/2″ – 12″ (OD 21.3mm – 323.9mm)
  • Monel Alloy Round Pipe & Monel Hexagonal Pipe on request
  • Wall Thickness: Sch 10 to Sch XXS
  • Standard & drawing-based custom sizes

ASTM B165 Monel Pipe Standard

  • ASTM B165 Monel Seamless Pipes
  • ASTM B725 / ASME SB725 Welded Pipe
  • ASTM B730 Welded Tube Reference
  • MSS SP-95 Fitting Compatibility

Monel Alloy Welded Pipe Route

  • Welded Pipe OD: 21.3mm – 323.9mm (1/2″ – 12″ NB)
  • Solution Annealed & Pickled
  • Hot Rolled / Cold Drawn Finish
  • Precision Sizing & Cutting

Monel Alloy Polished Pipe Finish

  • Hot Rolled (Mill Finish)
  • Pickled & Passivated
  • Mechanically Polished
  • Monel Cold Finished Pipe Option

Custom Monel Pipe Material

  • UNS N04400 / N05500 Base Stock
  • Ni-Cu Solution-Annealed Chemistry
  • Monel Hollow & Bush Hex Pipe Sections
  • Custom ASTM B165 Drawing Match

Monel Thin Wall Pipe Testing Coverage

  • PMI Testing
  • Corrosion Test (ASTM G28)
  • Radiography & Ultrasonic Test
  • Third-Party Inspection

 

Monel Pipe Grades & Alloy Family

Pick the exact chemistry your process fluid needs – every grade is stocked as Monel Alloy Pipes ready for pipe-mill draw.

Monel 400

UNS N04400

Widest general corrosion resistance, most common pipe grade

Monel K-500

UNS N05500

Age-hardened, up to 3x yield strength of Monel 400

Monel R-405

UNS N04405

Sulphur-added, free-machining variant for hex & bar stock

Monel 404

UNS N04404

Low Curie point, chosen for magnetic-sensitive components

ASTM B165 Monel Pipe Price Per Kg – What Decides The Rate?

•Alloy Grade (Monel 400 / K-500)
•Seamless Vs Welded / ERW Process
•Bore, Wall Schedule & Length
•Surface Finish & Testing Level
•Order Quantity & Delivery Terms

Get A Live Per-Kg Rate TodayShare your NB size, schedule and quantity for a Monel pipe quote.

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Buy Monel Exhaust Pipe with OD 6-200 mm in Monel 400/K-500 Grades At Factory Price for Marine & Chemical Processing

Monel Pipe Thickness & Schedule Chart

NB Size Vs Wall Thickness By Schedule (mm) – Reference Values
NB (Inch) OD (mm) Sch 10 Sch 40 Sch 80 Sch XXS
1/2″ 21.30 2.11 2.77 3.73 7.47
1″ 33.40 2.77 3.38 4.55 9.09
2″ 60.30 2.77 3.91 5.54 11.07
4″ 114.30 3.05 6.02 8.56 17.12
6″ 168.30 3.40 7.11 10.97 21.95
8″ 219.10 3.76 8.18 12.70 22.23

Is Monel Pipe Magnetic? Quick Buyer Facts

Virtually Non-Magnetic

Monel 400 pipe stays non-magnetic across normal service and ambient conditions

K-500 Surface Film Exception

Cold work on Monel K-500 may raise a thin magnetic skin, removable by pickling

Preferred For Sensor-Adjacent Lines

Chosen where nearby survey, MRI or compass equipment forbids stray magnetism

 

HSN Code & GST Rate On Monel Alloy Pipe

Product HSN Code GST Rate
Monel Alloy Pipe (Nickel Alloy Tube/Pipe) 75071200 18%

Testing Methods For Monel Alloy Pipe

Every genuine Monel alloy pipe mill should show you these checks on paper before shipment.

PMI Testing

Positive Material Identification confirms Ni & Cu ratio on every heat

Pitting Corrosion Test

ASTM G28 exposure verifies pitting & intergranular resistance

Radiography (RT) & UT

Weld seam & body checked for porosity, inclusion or lamination

Hydrostatic Pressure Test

Every length pressure-tested to confirm leak-free weld and body

Flattening & Flaring Test

Confirms ductility of welded and ERW seam per ASTM B725

Dimensional Inspection

OD, wall & length checked against drawing on every lot

Need A Custom Monel Pipe Wall Matched?Share your NB, OD & schedule list – get a factory-price quote within 24 hours.

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Types Of Monel Pipe We Supply

As an active Monel Pipe Supplier in India, we stock every pipe style used across marine and corrosive process.

Monel Seamless Pipe
Monel Seamless Pipe

ASTM B165

Monel Alloy Welded Pipe
Monel Alloy Welded Pipe

ASTM B725

ASTM B725 Monel ERW Pipe
ASTM B725 Monel ERW Pipe

ASME SB725

Monel Hexagonal Pipe
Monel Hexagonal Pipe

Custom Drawing

Monel Bush Hex Pipe
Monel Bush Hex Pipe

Bush & Bar Fit

Monel Thin Wall Pipe
Monel Thin Wall Pipe

Light Gauge

Monel Hollow Pipe
Monel Hollow Pipe

Structural / Custom

Monel Hot Rolled Pipe
Monel Hot Rolled Pipe

Hot Worked

Weekly Delivery Of Monel Pipe In Below Countries

Export To Continent Port Shipping Time

Morocco
Africa Durban Port 15-33 Days

Peru
South America Santos Port 23-55 Days

Monel Pipe Weight Chart (Kg/Meter)

Approximate Sch 40 running weight – confirm exact figure against your mill test certificate.

2″ NB – Sch 40

~6.1 kg/m

OD 60.3mm, wall 3.91mm

4″ NB – Sch 40

~18.0 kg/m

OD 114.3mm, wall 6.02mm

6″ NB – Sch 40

~31.6 kg/m

OD 168.3mm, wall 7.11mm

8″ NB – Sch 40

~47.6 kg/m

OD 219.1mm, wall 8.18mm

Pressure Rating Of Monel Seamless Pipe

Barlow’s Formula Basis

P = 2 × S × t ÷ D sets the theoretical allowable pressure

Wall Schedule Driven

Sch 10 to XXS wall directly raises the safe working pressure

ASME B16.5 Flange Class

Rated from Class 150 to Class 1500 depending on flange group

Temperature De-Rating

Allowable pressure falls gradually as design temperature climbs above ambient

Need Weight Confirmed For Your Full Order List?Send NB, schedule & length – we return a signed weight sheet same day.

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Monthly Delivery Of Monel Pipe In Below Countries

Export To Continent Port Shipping Time

Spain
Europe Port of Hamburg 33-34 Days

Germany
Europe Port of Rotterdam 20-45 Days

Malaysia
Asia Port of Shanghai 19-23 Days

Chemical Composition Of Monel 400 Pipe

Reference chemistry for the Monel pipe family as per ASTM B165 / B725.

Grade Ni Cu Fe Mn C Si Al Ti
Monel 400 Bal. 28.0-34.0 2.5 Max 2.0 Max 0.3 Max 0.5 Max – –
Monel K-500 Bal. 27.0-33.0 2.0 Max 1.5 Max 0.25 Max 0.5 Max 2.30-3.15 0.35-0.85
Monel R-405 Bal. 28.0-34.0 2.5 Max 2.0 Max 0.3 Max 0.5 Max – –
Monel 404 52.0-57.0 Bal. 0.5 Max 0.10 Max 0.15 Max 0.10 Max 0.05 Max –

Mechanical Properties Of ASTM B165 Monel Pipe

Tensile Strength

≥ 480 MPa

70 ksi Min, Annealed

Yield Strength (0.2%)

≥ 170 MPa

25 ksi Min, Annealed

Elongation

≥ 35%

High Ductility

Hardness (Max)

≤ 100 HRB

Hot Finished / Annealed

Need A Certified Tensile & Hardness Report?Send size, quantity & standard for a free document review.

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Monel Pipe Equivalent Grades

ASTM / UNS

  • ASTM B165 Monel Seamless Pipes
  • ASTM B725 / B730 Reference
  • UNS N04400 / N05500
  • AWS A5.14 ERNiCu-7

DIN / WNr

  • WNr 2.4360 (Monel 400)
  • WNr 2.4375 (Monel K-500)
  • NiCu30Fe Base Chemistry
  • DIN 17752 / DIN 17751 Reference

BS / Trade Name

  • BS 3072-3076 NA13 / NA18
  • Monel® 400 / K-500® (Registered Trade Name)
  • Often searched as Alloy 400 / K500 Pipe

Test Certification Offered With Monel Pipe

Mill Test Certificate 3.1

Chemistry, hardness & tensile results traced to heat number

Every Order

PMI Test Report

Positive Material Identification confirming Ni & Cu content

On Request

Corrosion Test Report

ASTM G28 pitting & intergranular results on request

On Request

Radiography (RT) Report

Weld seam film record for welded & ERW pipe orders

Welded / ERW

Certificate Of Origin

For customs clearance & import duty processing

Export Orders

Need A Third-Party Witnessed Test Certificate?We coordinate SGS, Bureau Veritas or TUV inspection on request.

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Surface Finish Options For Monel Pipe

Monel Hot Rolled Pipe

Hot-worked mill finish for larger diameter structural runs

Bright Annealed

Bright finish straight after the solution annealing cycle

Pickled & Passivated

Acid pickling removes heat scale and restores the oxide film

Monel Alloy Polished Pipe

Mirror-smooth interior bore for marine & sanitary process lines

Cold Drawn / Cold Finished

Tight-tolerance uniform wall for thin wall & hexagonal pipe

Welding Methods For Monel Alloy Welded Pipe

GTAW / TIG Longitudinal Weld

Used for Monel Alloy Welded Pipe up to 8″ NB

Standard

Electric Resistance Weld (ERW)

High-speed seam for ASTM B725 Monel ERW Pipe runs

Fast Delivery

Electric Fusion Weld (EFW)

Larger diameter Monel welded pipe with full radiography

Large NB

Orbital Automatic Welding

Consistent penetration for exhaust & sanitary Monel pipe runs

Precision Duty

Post-Weld Stress Relief

Restores full corrosion resistance across the weld heat-affected zone

Every Weld

Monel 400 Vs Monel K-500 Pipe – Which To Choose?

Monel 400 Pipe
  • Solid-solution Ni-Cu base, easy to fabricate
  • Excellent seawater & hydrofluoric acid resistance
  • Lower cost, wider ready-stock availability
  • Best for general marine & process piping
VS
Monel K-500 Pipe
  • Age-hardened with Al & Ti additions
  • Up to 3x yield & 2x tensile strength of 400
  • Higher cost, longer lead time on age-harden lots
  • Best for shafts, fasteners & high-load components

Need An Exact Pressure Rating Certificate?Send OD, wall thickness & design temperature – we calculate and confirm.

Talk To Our Engineer →

NACE MR0175 Sour-Service Compliance For Monel Pipe

Offshore and gas-field buyers ask for this compliance sheet before any Monel K-500 order is confirmed.

Controlled Age-Hardening Cycle

Heat treatment window is tightly controlled to limit hardness for sour duty

≤ 35 HRC Hardness

Every K-500 lot is hardness-checked so no pipe crosses the sour-service limit

ISO 15156-3 Recognised

Chemistry & hardness combination accepted for global offshore contracts

Need A Signed NACE Compliance Statement?Send project name & PO reference – we prepare it against your order.

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How To Choose A Genuine ASTM B165 Monel Pipe?

Ask For Heat-Wise MTC 3.1

Certificate must show chemistry, tensile & heat number matching the pipe marking

Step 1

Request PMI Spot Verification

Ni & Cu reading on the pipe body must match the MTC values

Step 2

Check End-Stamp Markings

Grade, standard, heat number & manufacturer logo should be die-stamped

Step 3

Verify Third-Party Inspection

SGS, BV or TUV report confirms independent test results

Step 4

Application Of Monel Seamless & Welded Pipe

Reach out to our export desk, already shipping into these process sectors every month.

Marine & Offshore Shafting Lines

Seawater & Desalination Piping

Chemical & Acid Handling Lines

Sour Gas & Refinery Pipelines

Marine & Automotive Exhaust Routing

Pulp & Paper Bleach Circuits

Power Plant Feedwater Heater Piping

Valve & Pump Trim Piping

Not Sure Which Monel Grade Fits Your Line?Share your process fluid & temperature – we confirm the right pipe grade.

Ask Our Engineer →

Packing & Export Documentation For Monel Pipe

Wooden Crate / Bundle Packing

End Caps To Prevent Bore Damage

Packing List, Invoice & COO

FCL / LCL Sea & Air Freight

Frequently Asked Questions

What is the Monel pipe price per kilogram?

Price depends on grade, size, wall thickness and quantity – share specs for an exact rate.

What ASTM B165 Monel pipe sizes do you stock?

Available from 1/2 inch to 12 inch NPS, Schedule 10 through XXS wall thickness.

Is Monel Welded Pipe magnetic in nature?

Monel 400 pipe stays non-magnetic; Monel K-500 may show a thin removable magnetic film.

Which Monel grade offers higher strength?

Age-hardened Monel K-500 delivers nearly triple the yield strength of standard Monel 400 pipe.

Which standard governs Monel ERW pipe dimensions?

ASTM B165 governs seamless Monel pipe; ASTM B725 covers welded and ERW pipe sizing.

Sales Representatives Are Available to Provide Prompt Quotes

Regions Country
South Carolina USA
North America USA, Canada, Mexico
South America Brazil, Argentina, Colombia
North Africa Egypt, Morocco, Algeria
West Africa Nigeria, Ghana, Senegal
East Africa Kenya, Ethiopia, Tanzania
Middle East Saudi Arabia, Iran, Iraq
South Asia India, Pakistan, Bangladesh
East Asia China, Japan, South Korea
Melanesia Fiji, Papua New Guinea

ganpat industrial corporation

6 Reasons to choose Ganpat Industrial Corporation

  1. Distributor of Heat Exchanger parts and Alloys for High Temperature applications.
  2. Stockholder and importer of Ferrous and non ferrous metals.
  3. Wide stock of prime quality austenitic and Ferritic Stainless Steel for Extreme pressure environment.
  4. Marine grade steel at lowest price in Mumbai.
  5. Compare Price per KG in India and China.
  6. Offer Resale price to local suppliers, traders and wholesalers in UAE, Saudi Arabia, Egypt, and USA