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SAE-AISI 1090 Steel vs. R60704 Alloy

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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