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EN 1.7230 Steel vs. S32520 Stainless Steel

Both EN 1.7230 steel and S32520 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7230 steel and the bottom bar is S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 12
28
Fatigue Strength, MPa 320 to 460
460
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 720 to 910
860
Tensile Strength: Yield (Proof), MPa 510 to 740
630

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
1100
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 44
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
4.0
Embodied Energy, MJ/kg 20
55
Embodied Water, L/kg 51
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 97
220
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1460
960
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 32
31
Strength to Weight: Bending, points 23 to 27
26
Thermal Diffusivity, mm2/s 12
4.1
Thermal Shock Resistance, points 21 to 27
24

Alloy Composition

Carbon (C), % 0.3 to 0.37
0 to 0.030
Chromium (Cr), % 0.8 to 1.2
24 to 26
Copper (Cu), % 0
0.5 to 2.0
Iron (Fe), % 96.7 to 98.3
57.3 to 66.8
Manganese (Mn), % 0.5 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.15 to 0.3
3.0 to 4.0
Nickel (Ni), % 0
5.5 to 8.0
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020