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EN 1.6511 Steel vs. S32101 Stainless Steel

Both EN 1.6511 steel and S32101 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 32 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 1.6511 steel and the bottom bar is S32101 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
34
Fatigue Strength, MPa 480
400
Poisson's Ratio 0.29
0.28
Rockwell C Hardness 55
27
Shear Modulus, GPa 73
78
Shear Strength, MPa 600
490
Tensile Strength: Ultimate (UTS), MPa 990
740
Tensile Strength: Yield (Proof), MPa 770
500

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
1000
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 36
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.6
Embodied Energy, MJ/kg 21
38
Embodied Water, L/kg 53
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230
Resilience: Unit (Modulus of Resilience), kJ/m3 1590
640
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 35
27
Strength to Weight: Bending, points 28
24
Thermal Diffusivity, mm2/s 9.9
4.0
Thermal Shock Resistance, points 29
20

Alloy Composition

Carbon (C), % 0.32 to 0.4
0 to 0.040
Chromium (Cr), % 0.9 to 1.2
21 to 22
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 95.6 to 97.2
67.3 to 73.3
Manganese (Mn), % 0.5 to 0.8
4.0 to 6.0
Molybdenum (Mo), % 0.15 to 0.3
0.1 to 0.8
Nickel (Ni), % 0.9 to 1.2
1.4 to 1.7
Nitrogen (N), % 0
0.2 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030