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EN 1.3963 Alloy vs. SAE-AISI A4 Steel

Both EN 1.3963 alloy and SAE-AISI A4 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 1.3963 alloy and the bottom bar is SAE-AISI A4 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
73
Tensile Strength: Ultimate (UTS), MPa 440
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.9
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.8
Embodied Energy, MJ/kg 66
24
Embodied Water, L/kg 110
59

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
25 to 73
Strength to Weight: Bending, points 16
23 to 46
Thermal Shock Resistance, points 110
23 to 67

Alloy Composition

Carbon (C), % 0 to 0.050
1.0 to 1.1
Chromium (Cr), % 0 to 0.25
0.9 to 2.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.5 to 64.9
92 to 95.5
Manganese (Mn), % 0 to 0.5
1.8 to 2.2
Molybdenum (Mo), % 0 to 1.0
0.9 to 1.4
Nickel (Ni), % 35 to 37
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0.1 to 0.2
0 to 0.030