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SAE-AISI A7 Steel vs. SAE-AISI 50B60 Steel

Both SAE-AISI A7 steel and SAE-AISI 50B60 steel are iron alloys. They have 86% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A7 steel and the bottom bar is SAE-AISI 50B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
610 to 630

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37
45
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 13
1.4
Embodied Energy, MJ/kg 200
19
Embodied Water, L/kg 100
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 77
22 to 23
Strength to Weight: Bending, points 25 to 48
20 to 21
Thermal Diffusivity, mm2/s 10
12
Thermal Shock Resistance, points 27 to 72
20

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 2.0 to 2.9
0.56 to 0.64
Chromium (Cr), % 5.0 to 5.8
0.4 to 0.6
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.4 to 87.7
97.3 to 98.1
Manganese (Mn), % 0 to 0.8
0.75 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0

Comparable Variants