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Alloy 400

A nickel-copper grade, Alloy 400 combines high strength and corrosion resistance.

Superb corrosion resistance in a wide range of media including seawater, hydroflouric acid, fluorine, sulphuric acid and alkalis.

Inventory

Product FormSize range fromSize range to
Alloy 400 round bar4.76 mm279 mm
Alloy 400 round tubing3.175 mm19.05 mm
Alloy 400 sheet & plate0.5 mm76.2 mm
Alloy 400 pipe0.25 in8 in
Alloy 400 pipe fittings0.25 in8 in
Alloy 400 flanges0.25 in8 in

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Pipe

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Pipe Fittings

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Flanges

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Sheet & Plate

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Round Bar

Chemical Analysis

%CSiMnSFeNiCu
Min000006328
Max0.30.520.0242.57034

Applications

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Perfect for applications in the Chemical Processing Industry

Alloy 400 can be used in a variety of applications, here are just a few examples:

  • Packed columns
  • Pressure vessels and reactors
  • Brine heaters
  • Heat exchangers
  • Salt production equipment
  • Pump and valve components
  • Pipe work and pipe spools

About Alloy 400

Alloy 400 from NeoNickel has superb corrosion resistance, particularly in neutral and alkaline salts. It is also one of a limited number of alloys that can be used in conjunction with hydrofluoric acid and fluorine. With high nickel content, this alloy is immune to chloride-induced stress corrosion cracking. The alloy also has good mechanical properties from sub-zero temperatures up to 549°C.

This alloy also performs excellently in seawater, with improved resistance to cavitation corrosion compared with other copper-base alloys. It’s often used to handle sulphuric acid up to 80% concentration at room temperature and up to 15% sulphuric acid at boiling temperatures.

Check out our Technical Resource: Burst Pressure Tables using Alloy 400 Seamless Tube.

 

Properties

Density:
8.80 g/cm³
Melting Range:
1300 - 1350 °C
Hardness:
60-80 HRB
Specific Heat Capacity:
427 J/kg.°C
Electrical Resistivity:
0.511 µΩ.m
Curie Temperature:
21-49°C
Poisson's Transus:
0.32

Specifications

UNS Number:
N04400
W.Nr.Number:
2.4630
Standards:
ASTM B127, B163, B164, B165, B564, B725, B730, B366, AMS 4675, 4730, AMS 4544, 4731
Download the Alloy 400 Data Sheet Download

Request a Quote

Fill in our online form to get a fast quote. Got a technical question? Contact us on techsales@neonickel.com or for more general enquiries please email us at enquiries@neonickel.com