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SAE-AISI 8645 Steel vs. SAE-AISI 1010 Steel

Both SAE-AISI 8645 steel and SAE-AISI 1010 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8645 steel and the bottom bar is SAE-AISI 1010 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 23
22 to 31
Fatigue Strength, MPa 280 to 350
150 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 380 to 400
230 to 250
Tensile Strength: Ultimate (UTS), MPa 600 to 670
350 to 400
Tensile Strength: Yield (Proof), MPa 390 to 560
190 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
47
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 50
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
82 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 840
100 to 290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
12 to 14
Strength to Weight: Bending, points 20 to 22
14 to 15
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 18 to 20
11 to 13

Alloy Composition

Carbon (C), % 0.43 to 0.48
0.080 to 0.13
Chromium (Cr), % 0.4 to 0.6
0
Iron (Fe), % 96.5 to 97.7
99.18 to 99.62
Manganese (Mn), % 0.75 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0 to 0.050

Comparable Variants