Nickel Alloy 400/Monel 400 UNS N04400:-

At Harsh Steel Monel 400 (UNS N04400) is available in Monel 400 wire, Monel 400 Round bar, Monel 400 Forged bar, Monel 400 hex bar, Monel 400 Flat bar, Monel 400 Circles, Monel 400 Ring, Monel 400 Tube, Monel 400 seamless Pipe, Monel 400 Welded / ERW Pipe, Monel 400 Sheet, Monel 400 Plate, Monel 400 Coil, Monel 400 Flanges, Monel 400 fasteners, Monel 400 Socket weld Fittings, Monel 400 ferrule fittings, Monel 400 Buttweld fittings Like cap, elbow, tee, Reducer. For all stock availability contact Sales.

Alloy Name Trade Name UNS No. British Specs American Specs
Nickel Alloy 400 Monel 400 UNS N04400 BS 3072
BS 3073
BS 3074
BS 3075
BS 3076
AMS 4574 Tube
AMS 4575 (Tube *)
AMS 4675 Bar and Forgings
AMS 4730 Wire
AMS 4731 Wire and Ribbon
AMS 4544 Sheet, Strip and Plate

Monel 400 is a nickel-copper Alloy (about 67% Ni – 23% Cu) that may be resilient in order to seashore sea water and also steam on excessive conditions as well as in order to sodium and also caustic solutions. Monel 400 can be a solid alloy that will merely possibly be hard through cold working. This nickel alloy displays traits like good corrosion resistance, good weldability and high strength. A low corrosion rate throughout easily streaming brackish or even seawater combined with exceptional weight in order to stress-corrosion breaking generally in most freshwaters, and it is weight in order to a number of corrosive problems generated it's broad easy use in maritime software along with non-oxidizing chloride solutions. This specific dime mix is very resilient in order to hydrochloric and also hydrofluoric acids once they tend to be de-aerated. Because would be estimated coming from it's excessive real estate agent content, mix four hundred is actually easily bombarded through nitric chemical p and also ammonia systems.

Monel 400 features fantastic mechanised attributes on subzero conditions, can be used throughout conditions approximately 1000° F, and it is melting stage is actually 2370-2460° F. On the other hand, alloy 400 is actually reduced energy from the annealed ailment thus, a number of attitudes can often increase the energy.

In what forms is Monel 400 Available at Harsh Steel?

  • Monel 400 Sheet
  • Monel 400 Plate
  • Monel 400 Bar
  • Monel 400 Pipe & Tube (welded & seamless)
  • Monel 400 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)
  • Monel 400 Wire

What are the characteristics of Monel 400?

  • Resistant to seawater and steam at high temperatures
  • Excellent resistance to rapidly flowing brackish water or seawater
  • Excellent resistance to stress corrosion cracking in most freshwaters
  • Particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated
  • Offers some resistance to hydrochloric and sulfuric acids at modest temperatures and concentrations,
    but is seldom the material of choice for these acids
  • Excellent resistance to neutral and alkaline salt
  • Resistance to chloride induced stress corrosion cracking
  • Good mechanical properties from sub-zero temperatures up to 1020° F
  • High resistance to alkalis

Nickel 200 and 201 deliver corrosion amount of resistance within lowering and simple advertising together with within oxidizing atmospheres provided that the actual oxidizing advertising makes it possible for the actual formation of a passive oxide film. This oxide film makes up about the actual components exceptional amount of resistance within caustic environments. Deterioration prices within both equally marine and rural atmospheres are incredibly low. The amount of resistance connected with Nickel 200 and 201 to be able to corrosion by distilled and normal seas is very useful. And yes it likewise offers exceptional support within going sea water actually at excessive pace, but in at standstill as well as very low-velocity sea water severe local episode may occur beneath fouling microorganisms as well as different remains. Within warm water devices in which the water is made up of fractional carbon and atmosphere using some size, corrosion prices will probably be at first excessive however will minimize eventually when conditions favor the actual formation of a protective film.

Nickel 200 hundred is generally on a support at temps below 600° F. At increased temps Nickel 200 hundred merchandise may have problems with graphitization which can result in severely compromised properties. Whenever functioning temps are hoped for to be able to exceed 600° F, carbon written content gets to be critical. The lower carbon written content connected with Nickel 201 tends to make the actual materials repellent to be able to graphitization and as a consequence fewer at the mercy of embrittlement. Nickel 200/201 are generally accepted with regard to structure connected with strain wrecks and elements beneath ASME Boiler and Pressure . Nickel 200 is usually accepted with regard to support up to 600° F though Nickel 201 is usually accepted with regard to support up to 1230° F. Reduction point is usually 2615-2635° F.

Technical Data Sheet

Chemical Composition Limits
Weight% C S Ni+Co Fe Mn Si Cu
Monel 400 0.30 max 0.024 max 63.0 max 2.50 max 2.0 max 0.50 max 28-34

Monel 400 (UNS N04400) is a nickel-copper alloy with high strength(comparable to structural steel) and toughness. Monel 400 also has excellent corrosion resistance in a range of media including seawater, hydrofluoric acid, sulphuric acid and alkalis. Used for marine engineering, chemical, hydrocarbon processing equipment, and heat exchangers.

Typical Mechanical Properties

Material Form and Condition Tensile Strength MPa Yield Strength (0.2% Offset) MPa Elongation (%) Hardness Rockwell B
Monel 400 Annealed Rod and Bar 517-620 172-345 60-35 60-80
Monel 400 Hot Rolled Plate Annealed 482-586 193-345 50-35 60-76
Monel 400 Sheet Annealed 482-586 207-310 45-35 65-80
Monel 400 Tube Cold drawn Annealed Seamless 482-586 172-310 50-35 75 max


Monel 400 Bar ASTM B 164, QQ N 281, DIN 17752, AMS 4675
Monel 400 Sheet ASTM B 127, QQ N 281, BS3072NA13, AMS 4544, DIN 17750
Monel 400 Plate ASTM B 127, QQN 281, BS3072NA13, AMS 4544, DIN 17750
Monel 400 Strip BS3073NA13, ASTM B127, AMS 4544, DIN 17750
Monel 400 Pipe ASTM B 185
Monel 400 Tube ASTM B165, AMS 4574, AMS 4575
Monel 400 Forging ASTM B564, DIN 17752, AMS 4675
Monel 400 Other W.Nr 2.4360, UNS N04400, NACE MR-01-75, Wire AMS 4730 Monel 400 (tradename)

Harsh Steel export Monel 400 to below countries.

Harsh steel is a major stockist and Exporter of Nickel alloy 400 to many countries of the world such as Singapore, Brisbane, Sydney, Melbourne, Australia, Houston, TX, San Diego, San Francisco, Atlanta, USA, Brentford, United Kingdom, Phoenix, Ireland, New Zealand and Canada, Western Australia , Queensland, New South Wales, South Australia, Victoria, Australian Capital Territory, Tasmania, Northern Territory, Ontario, British Columbia, Yukon Territory, Alberta, Manitoba, Saskatchewan, Newfoundland, Prince Edward Island, New Brunswick, Nova Scotia, Eastern Cape, Gauteng, Kwazulu-Natal, Western Cape, England, Scotland, Wales, Northern Ireland, Lagos, Abuja Capital Territory, Vadodara, Mumbai, Chennai, New Delhi, Mahape, Gurgaon, Noida, Bangalore, Coimbatore, Cochin, Ash Sharqiyah, Ar Riyad, Makkah, Dhahran, Riyadh, Jiddah, Jeddah, Masqat, Kwazulu-Natal, Gauteng, Western Cape, Free State, Eastern Cape, Alberta, Saskatchewan, British Columbia, Newfoundland, New Brunswick, Manitoba, Ontario, Nova Scotia, Quebec, Calgary, Edmonton, Vancouver, Toronto, Birmingham, Brentford, Manchester, Bristol, Sheffield, Milton Keynes, London, Poplar, Edinburgh, Thames Ditton.

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