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SAE-AISI D3 Steel vs. ASTM Grade HK Steel

Both SAE-AISI D3 steel and ASTM grade HK steel are iron alloys. They have 65% 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 D3 steel and the bottom bar is ASTM grade HK steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 9.8 to 15
11
Fatigue Strength, MPa 310 to 940
150
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
500
Tensile Strength: Yield (Proof), MPa 480 to 1550
270

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 31
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
4.4
Embodied Energy, MJ/kg 48
63
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 13
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 180
48
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 74
18
Strength to Weight: Bending, points 24 to 47
18
Thermal Diffusivity, mm2/s 8.3
3.9
Thermal Shock Resistance, points 23 to 63
11

Alloy Composition

Carbon (C), % 2.0 to 2.4
0.2 to 0.6
Chromium (Cr), % 11 to 13.5
24 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.3 to 87
44.8 to 57.8
Manganese (Mn), % 0 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
18 to 22
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0