Alleima® Alloy 400 Tube and pipe, seamless Skip to content

• High strength and toughness
• Good bendability
• Excellent corrosion resistance in many environments

Standards

• UNS: N04400
• W.Nr.: 2.4360

Product standards

- ASTM B163, ASTM B165-05

Chemical composition (nominal)

Chemical composition (nominal) %

C	Si	Mn	S	Ni
≤0.3	≤0.5	≤2	≤0.024	≥63

Applications

Alleima® Alloy 400 is used in a wide variety of applications in the chemical, nuclear and oil and gas industries, including heat-exchangers, pumps and valves, reboiler tubes and control lines.

Forms of supply

Alleima® Alloy 400 tubing is supplied in the annealed condition in lengths of 6 m.

Mechanical properties

At 20°C (68°F)

1 MPa = N/mm²
1) R_p0.2 and R_p1.0 correspond to 0.2% offset and 1.0% offset yield strength, respectively.
2) Based on L₀ = 5.65 √S₀ where L₀ is the original gauge length and S₀ the original cross-section area.

Physical properties

Density

8.83 g/cm³, 0.32 lb/in³

Thermal conductivity

21.8 W.m -1.°K-1

Specific heat capacity

427 J.kg-1.°K-1

Thermal expansion

13.9 mm/m/°C

Modulus of elasticity

173 GPa

Electrical Resistivity

5.47 μΩ/cm