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EN 1.7230 Steel vs. S64512 Stainless Steel

Both EN 1.7230 steel and S64512 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 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 S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 12
17
Fatigue Strength, MPa 320 to 460
540
Impact Strength: V-Notched Charpy, J 29 to 30
47
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 720 to 910
1140
Tensile Strength: Yield (Proof), MPa 510 to 740
890

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
750
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
28
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.3
Embodied Energy, MJ/kg 20
47
Embodied Water, L/kg 51
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 97
180
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1460
2020
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 32
40
Strength to Weight: Bending, points 23 to 27
31
Thermal Diffusivity, mm2/s 12
7.5
Thermal Shock Resistance, points 21 to 27
42

Alloy Composition

Carbon (C), % 0.3 to 0.37
0.080 to 0.15
Chromium (Cr), % 0.8 to 1.2
11 to 12.5
Iron (Fe), % 96.7 to 98.3
80.6 to 84.7
Manganese (Mn), % 0.5 to 0.8
0.5 to 0.9
Molybdenum (Mo), % 0.15 to 0.3
1.5 to 2.0
Nickel (Ni), % 0
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4