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Monel 400



UNS N04400

Monel 400 has a wonderful corrosion resistance by many reducing media such as sulfuric and hydrochloric acids. Generally, Monel 400 has a more resistantance to corrosion by oxidizing media than higher copper alloys. Monel 400 resists pitting and stress corrosion cracking in most fresh and industrial waters. It has good resistance in flowing seawater, but under stagnant conditions, pitting and crevice corrosion is induced. Monel 400 is probably the most resistant to hydrofluoric acid in all concentrations up to the boiling points. Monel 400 is not able for its toughness, it does not show embrittlement tendency at cryogenic temperatures. It is work hardenable. 

Monel 400 is applied in these field, like Chemical process equipment, crude oil stills, gasoline and fresh water tanks, marine engineering equipment, valves, pumps and fasteners.

Forms of Monel 400 Available at BAIDE ALLOY
• Sheet
• Plate
• Bar
• Pipe & Tube (welded & seamless)
• Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
• Wire

Monel 400 Chemical composition:

Alloy % Ni Cu Fe C Mn Si S
Monel400 Min. 63 28

34 2.5 0.3 2 0.5 0.024

Monel 400 Physical properties:

Density 8.83 g/cm³
Melting point 1300-1390 ℃

Monel 400 Alloy minimum mechanical properties in the room temperature:

Alloy state Tensile strength Rm N/mm² Yield strength
R P0. 2 N/mm²
A 5 %
Monel400 480 170 35

ASTM Specifications

Pipe Smls Pipe Welded Tube Smls Sheet/Plate Bar Forging Fitting
B165 B725 B163 B127 B164 B564 B366

Product Inquiry

Alloy Fasteners

Contact Us

Tel: 0086-523-89558188, 89550188  
Fax: 0086-523-89555688
Email: sales@jsbdalloy.com
Factory Add:
Alloy Industrial Park of Shiyan Town, Dongtai, Jiangsu, China
Office Add:
Room 110, Building 1, No. 98 Fenghuang West Road, Taizhou City, Jiangsu China.


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