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SAE-AISI A7 Steel vs. R60901 Alloy

SAE-AISI A7 steel belongs to the iron alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A7 steel and the bottom bar is R60901 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
98
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
37
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
500 to 580

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 37
17
Thermal Expansion, µm/m-K 12
6.3

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.6
Embodied Water, L/kg 100
270

Common Calculations

Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 29 to 77
21 to 25
Strength to Weight: Bending, points 25 to 48
21 to 24
Thermal Diffusivity, mm2/s 10
9.7
Thermal Shock Resistance, points 27 to 72
58 to 67

Alloy Composition

Carbon (C), % 2.0 to 2.9
0
Chromium (Cr), % 5.0 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.4 to 87.7
0
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0
2.4 to 2.8
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0
Zirconium (Zr), % 0
96.8 to 97.5
Residuals, % 0
0 to 0.29

Comparable Variants