Monel 400
Ni-Cu alloy with outstanding seawater and HF acid resistance for marine and chemical service.
Introduction
§01 — GeneralMonel 400 is a nickel-copper alloy widely specified for seawater, chemical and marine applications. It offers excellent corrosion resistance in a wide range of media including seawater, hydrofluoric acid, sulfuric acid and alkalis. It is non-magnetic and retains strength across a broad temperature range.
Quick Facts
- UNS
- N04400
- Density
- 8.8 g/cm³
- Max Service Temp
- 540°C
- Series
- Monel
Available Product Forms
§02 — FormsKey Characteristics
§03 — FeaturesTypical Uses
§04 — ApplicationsFrequently Asked Questions
Monel 400 FAQWhat is Monel 400 used for?
Monel 400 is a Monel alloy used in Seawater piping and pumps and HF acid alkylation units. It offers Excellent seawater corrosion resistance and Resistant to HF acid and alkalis.
What is the chemical composition of Monel 400?
Monel 400 is a controlled-composition Monel alloy supplied to ASTM B164 and ASTM B127. Contact us for full mill test certificate with heat-specific chemistry.
What forms is Monel 400 available in?
Monel 400 is regularly supplied in Forging, Wire, Flange, Bar & Rod, Plate & Sheet, Strip, Pipe & Tube. Custom forms and dimensions available on request.
What is the maximum service temperature of Monel 400?
Monel 400 is rated for service up to 540°C. Contact our metallurgy team for specific application recommendations.
Need Monel 400 material?
Request a quote with your specification — grade, form, dimensions and quantity.