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SAE-AISI D4 Steel vs. EN 1.8505 Steel

Both SAE-AISI D4 steel and EN 1.8505 steel are iron alloys. They have 86% of their average alloy composition in common. There are 29 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 D4 steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.4 to 15
13
Fatigue Strength, MPa 310 to 920
540
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 460 to 1210
630
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
1050
Tensile Strength: Yield (Proof), MPa 470 to 1540
860

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 31
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.6
Embodied Energy, MJ/kg 49
22
Embodied Water, L/kg 100
65

Common Calculations

PREN (Pitting Resistance) 15
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 75
37
Strength to Weight: Bending, points 24 to 47
30
Thermal Diffusivity, mm2/s 8.3
11
Thermal Shock Resistance, points 23 to 63
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 2.1 to 2.4
0.28 to 0.35
Chromium (Cr), % 11 to 13
1.5 to 1.8
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.6 to 86.3
95.4 to 97.1
Manganese (Mn), % 0 to 0.6
0.4 to 0.7
Molybdenum (Mo), % 0.7 to 1.2
0.2 to 0.4
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0 to 1.0
0