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SAE-AISI S7 Steel vs. SAE-AISI 1037 Steel

Both SAE-AISI S7 steel and SAE-AISI 1037 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 (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is SAE-AISI 1037 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
580 to 640

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
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
8.1

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 72
20 to 23
Strength to Weight: Bending, points 22 to 46
20 to 21
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 22 to 66
18 to 20

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.32 to 0.38
Chromium (Cr), % 3.0 to 3.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 94.9
98.5 to 99
Manganese (Mn), % 0.2 to 0.9
0.7 to 1.0
Molybdenum (Mo), % 1.3 to 1.8
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Vanadium (V), % 0 to 0.3
0