ISO 9001 · EN 9100 certified EN 10204 3.1 MTC · 30+ years
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Monel 400 Welded Pipe & Tube

Monel 400 welded pipe & tube, certified and in stock.

UNS N04400 · W.Nr. 2.4360 — Seawater valves, pumps, propeller shafts, HF acid service — the marine veteran.

EN 10204 3.1 MTC Heat-lot flexibility
N04400UNS
240 MPaMin. yield
550 MPaMin. tensile
480 °CMax service
Monel 400 Welded Pipe & Tube — TrueGrade Metals
UNS N04400
Material data

Monel 400 — key properties.

Nominal published values for the annealed condition. Certified heat lots ship with actual MTC values.

PropertyValue
Density8.80 g/cm³
Min. yield strength (annealed)240 MPa
Min. tensile strength (annealed)550 MPa
Max service temperature480 °C
Nominal chemistryNi ≥ 63% · Cu 28–34% · Fe ≤ 2.5%
Supply range

Dimensions & standards.

Available range

8 – 1219 mm · 0.5 – 20 mm · up to 18 m · 100% ET / UT · RT optional

Full welded pipe & tube page →

Governing standards

ASTM B705 · ASTM B775 · ASTM B704 · ASTM B751 · ASTM B515 · ASTM B619 · ASTM B626

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Other forms in Monel 400

Pipe, fittings, bar, sheet, wire and forgings — consolidated into one PO with matching heats.

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Why TrueGrade

What you get on every order.

FAQ

Common questions.

What sizes of Monel 400 welded pipe & tube do you stock?

Standard sizes per the welded pipe & tube range (see table above) are stocked or on a frequent smelting schedule for Monel 400. Non-standard dimensions are made to order — confirm with your inquiry.

What certificate comes with Monel 400 (UNS N04400)?

Every heat ships with EN 10204 3.1 MTC: ladle + product chemistry, mechanical results, dimensional data and heat number. Third-party witnessed 3.2 available on request.

Is Monel 400 suitable for my application?

Typical service for Monel 400: Seawater valves, pumps, propeller shafts, HF acid service — the marine veteran. If your medium, temperature or pressure differs, our metallurgists verify grade selection free of charge before quoting.

Get your price

Quote Monel 400 welded pipe & tube in 24 hours.

Dimensions, quantity, standard — that is all we need. A named metallurgist replies with pricing, lead time and MTC sample.

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