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Alloy 400 Stainless Steel Coil Tubing Price

Short Description:

Monel 400 is a nickel-copper alloy with about 67% Ni – 23% Cu that is resistant to sea water and steam at high temperatures as well as to caustic solutions. This nickel alloy is a solid solution alloy that can only be hardened by cold working. Alloy 400 exhibits characteristics like good corrosion resistance, good weldability and high strength. Its low corrosive property even in rapidly flowing brackish or seawater combined with excellent resistance to stress-corrosion cracking in most freshwaters, and resistance to a variety of corrosive conditions resulted into its wide use in marine applications and other non-oxidizing chloride solutions.

Above all, this nickel alloy is even resistant to hydrochloric and hydrofluoric acids when they are de-aerated. As would be expected from its high copper content, Monel 400 UNS N04400 Products are rapidly attacked by nitric acid and ammonia systems.


Product Detail

Product Tags

Monel 400 Composition

Monel 400 WERKSTOFF NR. 2.4360 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, Monel 400 AMS 7233 products are low in strength in the annealed condition so, a variety of tempers may be used to increase the strength. SIHE STAINLESS STEEL is a global leader in manufacturing, stocking, and supplying variety of Monel alloy 400 products from its inventory. Starting from off shelf on-time delivery to all ranges of industrial products of steel and with its array of grades we provide solutions for rapidly growing markets.

MONEL® ALLOY 400 UNS N04400 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

ASTM Specifications of MONEL® ALLOY 400

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

MONEL 400 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..

Alloy 400 Trivia
*Alloy 400 is slightly magnetic at room temperature.
Other common names: Alloy 400

Monel 400 Melting Point
Melting Point : 2370-2460° F.

Monel 400 Equivalent

STANDARD

UNS

WERKSTOFF NR.

AFNOR

EN

JIS

BS

GOST

Monel 400

N04400

2.4360

NU-30M

NiCu30Fe

NW 4400

NA 13

МНЖМц 28-2,5-1,5

This nickel-copper chemistry features a high intensity single-phase solid solution metallurgical structure. Alloy 400 has greater corrosion resistance than nickel under reducing conditions and is more resistant than copper under oxidizing conditions. Due to its performance, this grade has been widely used in applications requiring strong resistance to corrosive environments featuring acids, alkalies, and high temperature steam. It is all but immune to the stress corrosion cracking (SCC) induced by chlorides and most freshwater conditions.

Considered a very tough material as measured by impact testing, alloy 400 tubing has excellent mechanical properties in sub-zero conditions. Even when the alloy is cooled to the temperature of liquid hydrogen, it does not undergo a ductile-to-brittle transformation. On the warmer side of the temperature range, alloy 400 performs well in temperatures up to 1000° F.

Product Specifications

ASTM B163, B165 / ASME SB163 / NACE MR0175

Size Range

Outside Diameter (OD) Wall Thickness
.125”–1.000” .035″–.065″

Cold finished and bright annealed tube.

Chemical Requirements
Alloy 400 (UNS N04400)
Composition %

Ni
Nickel
Cu
Copper
Fe
Iron
Mn
Manganese
C
Carbon
Si
Silicon
S
Sulfur
63.0 min 28.0–34.0 2.5 max 2.0 max 0.3 max 0.5 max 0.024 max

Dimensional Tolerances

OD OD Tolerance Wall Tolerance
.094"–.1875" excl +.003”/-.000” ± 10%
.1875"–.500" excl +.004”/-.000” ± 10%
.500”–1.250” incl +.005”/-.000” ± 10%

Mechanical Properties

Yield Strength: 28 ksi min
Tensile Strength: 70 ksi min
Elongation (min 2"): 35%

Factoy Photos

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Inspection

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Shipping & Packing

0000254SMo--stainless-steel-coiled-tube

Test Report

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