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SAE-AISI 94B17 Steel vs. ACI-ASTM CA28MWV Steel

Both SAE-AISI 94B17 steel and ACI-ASTM CA28MWV 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 SAE-AISI 94B17 steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
11
Fatigue Strength, MPa 200
470
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 440
1080
Tensile Strength: Yield (Proof), MPa 270
870

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 410
740
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
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
3.1
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 49
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
1920
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
38
Strength to Weight: Bending, points 16
30
Thermal Diffusivity, mm2/s 10
6.6
Thermal Shock Resistance, points 13
40

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.15 to 0.2
0.2 to 0.28
Chromium (Cr), % 0.3 to 0.5
11 to 12.5
Iron (Fe), % 97.1 to 98.3
81.4 to 85.8
Manganese (Mn), % 0.75 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 0.080 to 0.15
0.9 to 1.3
Nickel (Ni), % 0.3 to 0.6
0.5 to 1.0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3