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EN 1.6511 Steel vs. S32750 Stainless Steel

Both EN 1.6511 steel and S32750 stainless steel are iron alloys. They have 66% 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 S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 12
17
Fatigue Strength, MPa 480
360
Poisson's Ratio 0.29
0.27
Rockwell C Hardness 55
28
Shear Modulus, GPa 73
81
Shear Strength, MPa 600
530
Tensile Strength: Ultimate (UTS), MPa 990
860
Tensile Strength: Yield (Proof), MPa 770
590

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 36
15
Thermal Expansion, µm/m-K 13
12

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
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
4.1
Embodied Energy, MJ/kg 21
56
Embodied Water, L/kg 53
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1590
860
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 35
31
Strength to Weight: Bending, points 28
26
Thermal Diffusivity, mm2/s 9.9
4.0
Thermal Shock Resistance, points 29
25

Alloy Composition

Carbon (C), % 0.32 to 0.4
0 to 0.030
Chromium (Cr), % 0.9 to 1.2
24 to 26
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 95.6 to 97.2
58.1 to 66.8
Manganese (Mn), % 0.5 to 0.8
0 to 1.2
Molybdenum (Mo), % 0.15 to 0.3
3.0 to 5.0
Nickel (Ni), % 0.9 to 1.2
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.035
0 to 0.020