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R60802 Alloy vs. ASTM A387 Grade 91 Class 2

R60802 alloy belongs to the otherwise unclassified metals classification, while ASTM A387 grade 91 class 2 belongs to the iron alloys. There are 20 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 ASTM A387 grade 91 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 22
20
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 430
670
Tensile Strength: Yield (Proof), MPa 270
470

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
26
Thermal Expansion, µm/m-K 6.0
13

Otherwise Unclassified Properties

Density, g/cm3 6.5
7.8
Embodied Water, L/kg 290
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
120
Resilience: Unit (Modulus of Resilience), kJ/m3 380
580
Stiffness to Weight: Axial, points 8.3
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 53
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Carbon (C), % 0
0.080 to 0.12
Chromium (Cr), % 0.050 to 0.15
8.0 to 9.5
Iron (Fe), % 0.070 to 0.2
87.3 to 90.3
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0.030 to 0.080
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0.2 to 0.5
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 1.2 to 1.7
0
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.18 to 0.25
Zirconium (Zr), % 97.8 to 98.7
0 to 0.010
Residuals, % 0 to 0.11
0