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EN 1.0308 Steel vs. S32003 Stainless Steel

Both EN 1.0308 steel and S32003 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 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 1.0308 steel and the bottom bar is S32003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 130
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 7.8 to 28
28
Fatigue Strength, MPa 140 to 200
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 230 to 260
480
Tensile Strength: Ultimate (UTS), MPa 360 to 440
730
Tensile Strength: Yield (Proof), MPa 190 to 340
510

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1010
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 18
42
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 95
180
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 300
660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
26
Strength to Weight: Bending, points 14 to 16
23
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 11 to 14
21

Alloy Composition

Carbon (C), % 0 to 0.17
0 to 0.030
Chromium (Cr), % 0
19.5 to 22.5
Iron (Fe), % 98.2 to 100
68.2 to 75.9
Manganese (Mn), % 0 to 1.2
0 to 2.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
3.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.020