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EN 1.0303 Steel vs. S38815 Stainless Steel

Both EN 1.0303 steel and S38815 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.0303 steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 25
34
Fatigue Strength, MPa 150 to 230
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 220 to 260
410
Tensile Strength: Ultimate (UTS), MPa 290 to 410
610
Tensile Strength: Yield (Proof), MPa 200 to 320
290

Thermal Properties

Latent Heat of Fusion, J/g 250
370
Maximum Temperature: Mechanical, °C 400
860
Melting Completion (Liquidus), °C 1470
1360
Melting Onset (Solidus), °C 1430
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
19
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 1.4
3.8
Embodied Energy, MJ/kg 18
54
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
170
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 10 to 15
22
Strength to Weight: Bending, points 12 to 16
21
Thermal Shock Resistance, points 9.2 to 13
15

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0 to 0.3
Carbon (C), % 0.020 to 0.060
0 to 0.030
Chromium (Cr), % 0
13 to 15
Copper (Cu), % 0
0.75 to 1.5
Iron (Fe), % 99.335 to 99.71
56.1 to 67
Manganese (Mn), % 0.25 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
13 to 17
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.1
5.5 to 6.5
Sulfur (S), % 0 to 0.025
0 to 0.020