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EN 1.3505 Steel vs. SAE-AISI S7 Steel

Both EN 1.3505 steel and SAE-AISI S7 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.3505 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 72
74
Tensile Strength: Ultimate (UTS), MPa 600 to 690
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
40
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
5.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.3
Embodied Energy, MJ/kg 20
31
Embodied Water, L/kg 52
65

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
24 to 72
Strength to Weight: Bending, points 20 to 22
22 to 46
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 18 to 20
22 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0.45 to 0.55
Chromium (Cr), % 1.4 to 1.6
3.0 to 3.5
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 97.1 to 98.3
91.6 to 94.9
Manganese (Mn), % 0.25 to 0.45
0.2 to 0.9
Molybdenum (Mo), % 0 to 0.1
1.3 to 1.8
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0.2 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 0.3