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SAE-AISI D4 Steel vs. EN 1.6771 Steel

Both SAE-AISI D4 steel and EN 1.6771 steel are iron alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.4 to 15
8.0 to 8.7
Fatigue Strength, MPa 310 to 920
440 to 680
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
930 to 1180
Tensile Strength: Yield (Proof), MPa 470 to 1540
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 31
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.3
1.9
Embodied Energy, MJ/kg 49
25
Embodied Water, L/kg 100
58

Common Calculations

PREN (Pitting Resistance) 15
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
75 to 93
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 75
33 to 41
Strength to Weight: Bending, points 24 to 47
27 to 31
Thermal Diffusivity, mm2/s 8.3
13
Thermal Shock Resistance, points 23 to 63
27 to 35

Alloy Composition

Carbon (C), % 2.1 to 2.4
0.27 to 0.33
Chromium (Cr), % 11 to 13
0.8 to 1.2
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.6 to 86.3
92.2 to 95
Manganese (Mn), % 0 to 0.6
0.6 to 1.0
Molybdenum (Mo), % 0.7 to 1.2
0.3 to 0.6
Nickel (Ni), % 0 to 0.3
3.0 to 4.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0 to 1.0
0

Comparable Variants