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ACI-ASTM CA28MWV Steel vs. SAE-AISI 4130 Steel

Both ACI-ASTM CA28MWV steel and SAE-AISI 4130 steel are iron alloys. They have 86% 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 CA28MWV steel and the bottom bar is SAE-AISI 4130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
200 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
13 to 26
Fatigue Strength, MPa 470
320 to 660
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1080
530 to 1040
Tensile Strength: Yield (Proof), MPa 870
440 to 980

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
420
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
43
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 100
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
500 to 2550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
19 to 37
Strength to Weight: Bending, points 30
19 to 29
Thermal Diffusivity, mm2/s 6.6
12
Thermal Shock Resistance, points 40
16 to 31

Alloy Composition

Carbon (C), % 0.2 to 0.28
0.28 to 0.33
Chromium (Cr), % 11 to 12.5
0.8 to 1.1
Iron (Fe), % 81.4 to 85.8
97.3 to 98.2
Manganese (Mn), % 0.5 to 1.0
0.4 to 0.6
Molybdenum (Mo), % 0.9 to 1.3
0.15 to 0.25
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0