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SAE-AISI 1008 Steel vs. ACI-ASTM CK35MN Steel

Both SAE-AISI 1008 steel and ACI-ASTM CK35MN steel are iron alloys. They have 48% of their average alloy composition in common. There are 30 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 1008 steel and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 93 to 100
190
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 22 to 33
40
Fatigue Strength, MPa 150 to 220
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 330 to 370
650
Tensile Strength: Yield (Proof), MPa 190 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 62
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.9
Embodied Energy, MJ/kg 18
81
Embodied Water, L/kg 45
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 91
210
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 260
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 12 to 13
22
Strength to Weight: Bending, points 13 to 15
21
Thermal Diffusivity, mm2/s 17
3.3
Thermal Shock Resistance, points 10 to 12
14

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.035
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 99.31 to 99.7
43.4 to 51.8
Manganese (Mn), % 0.3 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 0
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.020