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EN 1.7230 Steel vs. S32050 Stainless Steel

Both EN 1.7230 steel and S32050 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7230 steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 12
46
Fatigue Strength, MPa 320 to 460
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 720 to 910
770
Tensile Strength: Yield (Proof), MPa 510 to 740
370

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
6.0
Embodied Energy, MJ/kg 20
81
Embodied Water, L/kg 51
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 97
290
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1460
330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 32
27
Strength to Weight: Bending, points 23 to 27
23
Thermal Diffusivity, mm2/s 12
3.3
Thermal Shock Resistance, points 21 to 27
17

Alloy Composition

Carbon (C), % 0.3 to 0.37
0 to 0.030
Chromium (Cr), % 0.8 to 1.2
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 96.7 to 98.3
43.1 to 51.8
Manganese (Mn), % 0.5 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.15 to 0.3
6.0 to 6.6
Nickel (Ni), % 0
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020