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ACI-ASTM CH20 Steel vs. SAE-AISI 1030 Steel

Both ACI-ASTM CH20 steel and SAE-AISI 1030 steel are iron alloys. They have 61% 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 CH20 steel and the bottom bar is SAE-AISI 1030 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
14 to 22
Fatigue Strength, MPa 290
210 to 320
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 610
530 to 590
Tensile Strength: Yield (Proof), MPa 350
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1410
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
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.7
1.4
Embodied Energy, MJ/kg 53
18
Embodied Water, L/kg 180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 300
230 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
19 to 21
Strength to Weight: Bending, points 21
18 to 20
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 15
17 to 19

Alloy Composition

Carbon (C), % 0 to 0.2
0.28 to 0.34
Chromium (Cr), % 22 to 26
0
Iron (Fe), % 54.7 to 66
98.7 to 99.12
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
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