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R60802 Alloy vs. SAE-AISI H12 Steel

R60802 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI H12 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R60802 alloy and the bottom bar is SAE-AISI H12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 430
690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
36
Thermal Expansion, µm/m-K 6.0
12

Otherwise Unclassified Properties

Density, g/cm3 6.5
7.9
Embodied Water, L/kg 290
76

Common Calculations

Stiffness to Weight: Axial, points 8.3
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
24 to 65
Strength to Weight: Bending, points 19
22 to 42
Thermal Diffusivity, mm2/s 12
9.8
Thermal Shock Resistance, points 53
22 to 60

Alloy Composition

Carbon (C), % 0
0.3 to 0.4
Chromium (Cr), % 0.050 to 0.15
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0.070 to 0.2
87.8 to 91.7
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0.030 to 0.080
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.2 to 1.7
0
Tungsten (W), % 0
1.0 to 1.7
Vanadium (V), % 0
0 to 0.5
Zirconium (Zr), % 97.8 to 98.7
0
Residuals, % 0 to 0.11
0