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SAE-AISI 50B60 Steel vs. ACI-ASTM CF3M Steel

Both SAE-AISI 50B60 steel and ACI-ASTM CF3M steel are iron alloys. They have 68% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 50B60 steel and the bottom bar is ACI-ASTM CF3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 20
55
Fatigue Strength, MPa 240 to 330
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 610 to 630
520
Tensile Strength: Yield (Proof), MPa 350 to 530
260

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
990
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
16
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.8
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 48
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 100
240
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 750
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 23
18
Strength to Weight: Bending, points 20 to 21
18
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 20
12

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.56 to 0.64
0 to 0.030
Chromium (Cr), % 0.4 to 0.6
17 to 21
Iron (Fe), % 97.3 to 98.1
59.9 to 72
Manganese (Mn), % 0.75 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
9.0 to 13
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.040