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EN 1.0031 Steel vs. S30615 Stainless Steel

Both EN 1.0031 steel and S30615 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.0031 steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
39
Fatigue Strength, MPa 160
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 200
470
Tensile Strength: Ultimate (UTS), MPa 310
690
Tensile Strength: Yield (Proof), MPa 210
310

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 400
960
Melting Completion (Liquidus), °C 1470
1370
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 53
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
19
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.4
3.7
Embodied Energy, MJ/kg 18
53
Embodied Water, L/kg 45
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
220
Resilience: Unit (Modulus of Resilience), kJ/m3 120
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 11
25
Strength to Weight: Bending, points 13
23
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 9.8
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0 to 0.1
0.16 to 0.24
Chromium (Cr), % 0
17 to 19.5
Iron (Fe), % 98.8 to 100
56.7 to 65.3
Manganese (Mn), % 0 to 0.7
0 to 2.0
Nickel (Ni), % 0
13.5 to 16
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.35
3.2 to 4.0
Sulfur (S), % 0 to 0.045
0 to 0.030