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ACI-ASTM CK20 Steel vs. SAE-AISI 1536 Steel

Both ACI-ASTM CK20 steel and SAE-AISI 1536 steel are iron alloys. They have 53% 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 ACI-ASTM CK20 steel and the bottom bar is SAE-AISI 1536 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 37
14 to 18
Fatigue Strength, MPa 220
240 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 530
640 to 720
Tensile Strength: Yield (Proof), MPa 260
360 to 600

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.4
Embodied Energy, MJ/kg 62
19
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
93 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 170
340 to 950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
23 to 25
Strength to Weight: Bending, points 19
21 to 23
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 13
20 to 23

Alloy Composition

Carbon (C), % 0 to 0.2
0.3 to 0.37
Chromium (Cr), % 23 to 27
0
Iron (Fe), % 46.7 to 58
98 to 98.5
Manganese (Mn), % 0 to 2.0
1.2 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0 to 0.050