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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Jiangsu Mittel Steel Industrial Limited Supply all kinds of Stainless Steel Sheet/Plate/Coil/Round ,Flat ,Angle Bar/Stainless steel Seamless pipe /welded pipe /Elbow/Flange /Galvanized Steel sheet
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Monel 400 Stainless Steel Round Tube , Stainless Seamless Pipe 6m Length

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Monel 400 Stainless Steel Round Tube , Stainless Seamless Pipe 6m Length

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Brand Name : MITTEL

Model Number : Monel 400

Certification : ISO SGS

Place of Origin : China

MOQ : 50KGS

Price : 25 USD/KG

Payment Terms : L/C, T/T

Supply Ability : 50 Tons

Delivery Time : 7 days

Packaging Details : Export Packing

OD : 8-426mm

Thickness : 0.5-60mm

Length : 6m

Surface : NO.1

Type : Seamless

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Monel 400 Stainless Steel Round Tube , Stainless Seamless Pipe 6m Length

MONEL ALLOY 400

UNS N04400
Other common names: Alloy 400

Monel 400 is a nickel-copper alloy (about 67% Ni – 23% Cu) that is resistant to sea water and steam at high temperatures as well as to salt and caustic solutions. Alloy 400 is a solid solution alloy that can only be hardened by cold working. This nickel alloy exhibits characteristics like good corrosion resistance, good weldability and high strength. A low corrosion rate in rapidly flowing brackish or seawater combined with excellent resistance to stress-corrosion cracking in most freshwaters, and its resistance to a variety of corrosive conditions led to its wide use in marine applications and other non-oxidizing chloride solutions. This nickel alloy is particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated. As would be expected from its high copper content, alloy 400 is rapidly attacked by nitric acid and ammonia systems.
Monel 400 has great mechanical properties at subzero temperatures, can be used in temperatures up to 1000° F, and its melting point is 2370-2460° F. However, alloy 400 is low in strength in the annealed condition so, a variety of tempers may be used to increase the strength.

In what forms is Monel 400 ?
· 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)

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

Chemical Composition (%)

C Mn S Si Ni Cu Fe
.30 max 2.00 max .024 max .50 max 63.0 min 28.0-34.0 2.50 max


Corrosion Resistant Monel 400
Alloy 400 is virtually immune to chloride ion stress corrosion cracking in typical environments. Generally, its corrosion resistance is very good in reducing environments, but poor in oxidizing conditions. It is not useful in oxidizing acids, such as nitric acid and nitrous. Nevertheless, it is resistant to most alkalis, salts, waters, food products, organic substances and atmospheric conditions at normal and elevated temperatures.
This nickel alloy is attacked in sulfur-bearing gases above approximately 700° F and molten sulfur attacks the alloy at temperatures over approximately 500° F.
Monel 400 offers about the same corrosion resistance as nickel but with higher maximum working pressures and temperatures and at a lower cost due to its superior ability to be machined.

In what applications is Monel 400 used?
· Marine engineering
· Chemical and hydrocarbon processing equipment
· Gasoline and freshwater tanks
· Crude petroleum stills
· De-aerating heaters
· Boiler feed water heaters and other heat exchangers
· Valves, pumps, shafts, fittings, and fasteners
· Industrial heat exchangers
· Chlorinated solvents
· Crude oil distillation towers

Fabrication with Monel 400
Alloy 400 can easily be welded by gas-tungsten arc, gas metal arc or shielded metal arc processes using appropriate filler metals. There is no need for post weld heat treatment, however, thorough cleaning after welding is critical for optimum corrosion resistance, otherwise there is the risk of contamination and embrittlement.
Finished fabrications can be produced to a wide range of mechanical properties when proper control of the amount of hot or cold working and the selection of appropriate thermal treatments is done.
Like most other nickel alloys, Monel 400 is typically tough to machine and will work harden. However, excellent results can e obtained if you make the correct choices for tooling and machining

ASTM Specifications

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


Mechanical Properties
Typical room temperature Tensile Properties of Annealed Material

Product
Form
Condition Tensile (ksi) .2% Yield
(ksi)
Elongation
(%)
Hardness (HRB)
Rod & Bar Annealed 75-90 25-50 60-35 60-80
Rod & Bar Cold-Drawn Stress Relieved 84-120 55-100 40-22 85-20 HRC
Plate Annealed 70-85 28-50 50-35 60-76
Sheet Annealed 70-85 30-45 45-35 65-80
Tube & Pipe Seamless Annealed 70-85 25-45 50-35 75 max *

*The ranges shown are composites for various product sizes and therefore are not suitable for specification purposes. Hardness values are suitable for specification purposes provided tensile properties are not also specified..

Monel 400 Stainless Steel Round Tube , Stainless Seamless Pipe 6m LengthMonel 400 Stainless Steel Round Tube , Stainless Seamless Pipe 6m Length


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