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EN 1.8959 Steel vs. S38815 Stainless Steel

Both EN 1.8959 steel and S38815 stainless steel are iron alloys. They have 64% 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 1.8959 steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
34
Fatigue Strength, MPa 220
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 350
410
Tensile Strength: Ultimate (UTS), MPa 570
610
Tensile Strength: Yield (Proof), MPa 340
290

Thermal Properties

Latent Heat of Fusion, J/g 250
370
Maximum Temperature: Mechanical, °C 420
860
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.7
19
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.6
3.8
Embodied Energy, MJ/kg 21
54
Embodied Water, L/kg 52
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
170
Resilience: Unit (Modulus of Resilience), kJ/m3 300
220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.19
0 to 0.030
Chromium (Cr), % 0.35 to 0.85
13 to 15
Copper (Cu), % 0.2 to 0.6
0.75 to 1.5
Iron (Fe), % 94.9 to 99
56.1 to 67
Manganese (Mn), % 0.45 to 1.6
0 to 2.0
Molybdenum (Mo), % 0 to 0.35
0.75 to 1.5
Nickel (Ni), % 0 to 0.7
13 to 17
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.55
5.5 to 6.5
Sulfur (S), % 0 to 0.040
0 to 0.020
Zirconium (Zr), % 0 to 0.17
0