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SAE-AISI A2 Steel vs. R60704 Alloy

SAE-AISI A2 steel belongs to the iron alloys classification, while R60704 alloy belongs to the otherwise unclassified metals. 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 SAE-AISI A2 steel and the bottom bar is R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
97
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
36
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
470

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 38
22
Thermal Expansion, µm/m-K 11
6.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 73
460

Common Calculations

Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25 to 73
20
Strength to Weight: Bending, points 23 to 46
20
Thermal Diffusivity, mm2/s 10
12
Thermal Shock Resistance, points 25 to 71
58

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.050
Chromium (Cr), % 4.8 to 5.5
0.2 to 0.4
Copper (Cu), % 0 to 0.25
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 89.4 to 93.3
0.2 to 0.4
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.0 to 2.0
Vanadium (V), % 0.15 to 0.5
0
Zirconium (Zr), % 0
93 to 98.8