DIN EN 1.4401 Material X5CrNiMo17-12-2 Aço Inoxidável

DIN EN 1.4401 Material X5CrNiMo17-12-2 Stainless Steel

DIN EN 1.4401 Material X5CrNiMo17-12-2 Stainless Steel Sheet

DIN EN 1.4401 Material X5CrNiMo17-12-2 Stainless Steel

The material DIN EN 1.4401 (X5CrNiMo17-12-2) is an austenitic stainless steel containing molybdenum. Due to the chemical composition of molybdenum, its corrosion resistance is greater than 1.4301 (X5CrNi18-10), especially in environments containing chlorides and non-oxidizing acids. 1.4404 (X2CrNiMo17-12-2) is an ultra-low carbon version of 1.4401 stainless steel, which has better corrosion resistance in welded structures.

Datasheet and specifications

The following tables and lists provide the technical data sheet of 1.4401 stainless steel, including chemical composition, physical and mechanical properties, heat treatment, welding, etc.

Chemical composition

The chemical composition of the DIN EN 1.4401 material is listed in the following table based on casting analysis.

Chemical composition, %
Steel grade (steel number) Standard C, ≤ Yes, ≤ Mn, ≤ P, ≤ S, ≤ Cr No Mo N, ≤
X5CrNiMo17-12-2 (1.4401) EN 10088-2; EN 10088-3 0.07 1.00 2.00 0.045 0.030 16.5-18.5 10.0-13.0 2.00-2.50 0.10

Physical properties

The physical properties of DIN 1.4401 material are given in the following lists, including density, thermal expansion, modulus of elasticity, thermal conductivity, specific heat capacity and electrical resistance.

Grades:

  • 10 -6 ·K -1 = 10 -6 /K
  • 1Ω mm²/m = 1 μΩ m
  • 1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
  • 1 GPa = 1kN/mm2
  • 1 MPa = 1 N/mm2
Physical properties
Density, g/cm3 8.0
Magnetic No
Electrical resistivity, μΩ·m 0.75 (20℃)
Specific heat capacity, J/(kg·K) 500 (20℃)
Thermal conductivity, (W/m·K) 15.0 (20℃)
Modulus of elasticity, Gpa 200 (20℃)
194 (100℃)
186 (200℃)
179 (300℃)
172 (400℃)
165 (500℃)
Average coefficient of thermal expansion, (10 -6 /K) 16.0 (20-100℃)
16.5 (20-200℃)
17.0 (20-300℃)
17.5 (20-400℃)
18.0 (20-500℃)

Mechanical properties

Mechanical properties of material 1.4401 stainless steel at room temperature in solution annealed condition and resistance to intergranular corrosion.

Mechanical properties (solution annealed)
Country (Region) Standard Steel grade (steel number) Diameter (d) or Thickness

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