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EN 1.3961 Alloy vs. SAE-AISI S7 Steel

Both EN 1.3961 alloy and SAE-AISI S7 steel are iron alloys. They have 64% of their average alloy composition in common. There are 19 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 1.3961 alloy 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 0.3
0.29
Shear Modulus, GPa 72
74
Tensile Strength: Ultimate (UTS), MPa 450
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
5.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.3
Embodied Energy, MJ/kg 66
31
Embodied Water, L/kg 110
65

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
24 to 72
Strength to Weight: Bending, points 16
22 to 46
Thermal Shock Resistance, points 130
22 to 66

Alloy Composition

Carbon (C), % 0 to 0.050
0.45 to 0.55
Chromium (Cr), % 0 to 0.25
3.0 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.7 to 65
91.6 to 94.9
Manganese (Mn), % 0 to 0.5
0.2 to 0.9
Molybdenum (Mo), % 0 to 1.0
1.3 to 1.8
Nickel (Ni), % 35 to 37
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Vanadium (V), % 0
0 to 0.3