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R60802 Alloy vs. SAE-AISI 4320 Steel

R60802 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI 4320 steel belongs to the iron alloys. There are 20 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 R60802 alloy and the bottom bar is SAE-AISI 4320 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 22
21 to 29
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 430
570 to 790
Tensile Strength: Yield (Proof), MPa 270
430 to 460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
46
Thermal Expansion, µm/m-K 6.0
11

Otherwise Unclassified Properties

Density, g/cm3 6.5
7.9
Embodied Water, L/kg 290
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 380
480 to 560
Stiffness to Weight: Axial, points 8.3
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
20 to 28
Strength to Weight: Bending, points 19
19 to 24
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 53
19 to 27

Alloy Composition

Carbon (C), % 0
0.17 to 0.22
Chromium (Cr), % 0.050 to 0.15
0.4 to 0.6
Iron (Fe), % 0.070 to 0.2
95.8 to 97
Manganese (Mn), % 0
0.45 to 0.65
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0.030 to 0.080
1.7 to 2.0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.2 to 1.7
0
Zirconium (Zr), % 97.8 to 98.7
0
Residuals, % 0 to 0.11
0