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EN 1.7230 Steel vs. S32760 Stainless Steel

Both EN 1.7230 steel and S32760 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 S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 12
28
Fatigue Strength, MPa 320 to 460
450
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 720 to 910
850
Tensile Strength: Yield (Proof), MPa 510 to 740
620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
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
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
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
4.1
Embodied Energy, MJ/kg 20
57
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
930
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 32
30
Strength to Weight: Bending, points 23 to 27
25
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 21 to 27
23

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 1.0
Iron (Fe), % 96.7 to 98.3
57.6 to 65.8
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
3.0 to 4.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
0.5 to 1.0