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EN 1.0225 Steel vs. SAE-AISI S7 Steel

Both EN 1.0225 steel and SAE-AISI S7 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.0225 steel and the bottom bar is SAE-AISI S7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 440 to 500
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 250
260
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 52
40
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
5.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 18
31
Embodied Water, L/kg 46
65

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 18
24 to 72
Strength to Weight: Bending, points 16 to 18
22 to 46
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 14 to 16
22 to 66

Alloy Composition

Carbon (C), % 0 to 0.21
0.45 to 0.55
Chromium (Cr), % 0
3.0 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98 to 100
91.6 to 94.9
Manganese (Mn), % 0 to 1.4
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.35
0.2 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.030
Vanadium (V), % 0
0 to 0.3

Comparable Variants