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EN 1.0031 Steel vs. EN 1.4104 Stainless Steel

Both EN 1.0031 steel and EN 1.4104 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.0031 steel and the bottom bar is EN 1.4104 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 28
11 to 23
Fatigue Strength, MPa 160
230 to 310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 200
400 to 450
Tensile Strength: Ultimate (UTS), MPa 310
630 to 750
Tensile Strength: Yield (Proof), MPa 210
350 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
860
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 18
30
Embodied Water, L/kg 45
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
77 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 120
310 to 800
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 11
23 to 27
Strength to Weight: Bending, points 13
21 to 24
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 9.8
22 to 27

Alloy Composition

Carbon (C), % 0 to 0.1
0.1 to 0.17
Chromium (Cr), % 0
15.5 to 17.5
Iron (Fe), % 98.8 to 100
78.8 to 84.1
Manganese (Mn), % 0 to 0.7
0 to 1.5
Molybdenum (Mo), % 0
0.2 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.045
0.15 to 0.35