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EN 1.7201 Steel vs. S64512 Stainless Steel

Both EN 1.7201 steel and S64512 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.7201 steel and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 160
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 430 to 1300
1140

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 45
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 8.3
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
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

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 46
40
Strength to Weight: Bending, points 16 to 34
31
Thermal Diffusivity, mm2/s 12
7.5
Thermal Shock Resistance, points 13 to 38
42

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.080 to 0.15
Chromium (Cr), % 0.9 to 1.2
11 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.9 to 98.3
80.6 to 84.7
Manganese (Mn), % 0.6 to 0.9
0.5 to 0.9
Molybdenum (Mo), % 0.15 to 0.25
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 0.3
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4