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EN 1.3961 Alloy vs. SAE-AISI D4 Steel

Both EN 1.3961 alloy and SAE-AISI D4 steel are iron alloys. They have 64% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 D4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
8.4 to 15
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
74
Shear Strength, MPa 300
460 to 1210
Tensile Strength: Ultimate (UTS), MPa 450
760 to 2060
Tensile Strength: Yield (Proof), MPa 310
470 to 1540

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
8.0
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.8
3.3
Embodied Energy, MJ/kg 66
49
Embodied Water, L/kg 110
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
100 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
27 to 75
Strength to Weight: Bending, points 16
24 to 47
Thermal Shock Resistance, points 130
23 to 63

Alloy Composition

Carbon (C), % 0 to 0.050
2.1 to 2.4
Chromium (Cr), % 0 to 0.25
11 to 13
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.7 to 65
80.6 to 86.3
Manganese (Mn), % 0 to 0.5
0 to 0.6
Molybdenum (Mo), % 0 to 1.0
0.7 to 1.2
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 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030
Vanadium (V), % 0
0 to 1.0