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SAE-AISI S7 Steel vs. EN 1.7035 Steel

Both SAE-AISI S7 steel and EN 1.7035 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 23 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 SAE-AISI S7 steel and the bottom bar is EN 1.7035 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 74
73
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
530 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 260
250
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 40
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.4
Embodied Energy, MJ/kg 31
19
Embodied Water, L/kg 65
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 72
19 to 66
Strength to Weight: Bending, points 22 to 46
19 to 43
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 22 to 66
16 to 54

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.38 to 0.45
Chromium (Cr), % 3.0 to 3.5
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 94.9
97 to 98.1
Manganese (Mn), % 0.2 to 0.9
0.6 to 0.9
Molybdenum (Mo), % 1.3 to 1.8
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0 to 0.3
0

Comparable Variants