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EN 1.7767 Steel vs. SAE-AISI D2 Steel

Both EN 1.7767 steel and SAE-AISI D2 steel are iron alloys. They have 89% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7767 steel and the bottom bar is SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
5.0 to 16
Fatigue Strength, MPa 320 to 340
310 to 860
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Shear Strength, MPa 420 to 430
460 to 1160
Tensile Strength: Ultimate (UTS), MPa 670 to 690
760 to 2000
Tensile Strength: Yield (Proof), MPa 460 to 500
470 to 1510

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
31
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
4.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.4
Embodied Energy, MJ/kg 33
50
Embodied Water, L/kg 64
100

Common Calculations

PREN (Pitting Resistance) 6.4
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
92 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
570 to 5940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
27 to 72
Strength to Weight: Bending, points 22
24 to 46
Thermal Diffusivity, mm2/s 11
8.3
Thermal Shock Resistance, points 19 to 20
25 to 67

Alloy Composition

Carbon (C), % 0.1 to 0.15
1.4 to 1.6
Chromium (Cr), % 2.8 to 3.3
11 to 13
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 93.8 to 95.8
81.3 to 86.9
Manganese (Mn), % 0.3 to 0.6
0 to 0.6
Molybdenum (Mo), % 0.9 to 1.1
0.7 to 1.2
Nickel (Ni), % 0 to 0.25
0 to 0.3
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.15
0 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0 to 1.1