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R60704 Alloy vs. SAE-AISI 1090 Steel

R60704 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI 1090 steel 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 R60704 alloy and the bottom bar is SAE-AISI 1090 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 16
11
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
72
Tensile Strength: Ultimate (UTS), MPa 470
790 to 950
Tensile Strength: Yield (Proof), MPa 270
520 to 610

Thermal Properties

Latent Heat of Fusion, J/g 240
240
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
50
Thermal Expansion, µm/m-K 6.0
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
82 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 370
730 to 1000
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 20
28 to 34
Strength to Weight: Bending, points 20
24 to 27
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 58
25 to 31

Alloy Composition

Carbon (C), % 0 to 0.050
0.85 to 1.0
Chromium (Cr), % 0.2 to 0.4
0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
98 to 98.6
Manganese (Mn), % 0
0.6 to 0.9
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 93 to 98.8
0