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R60704 Alloy vs. ACI-ASTM CG12 Steel

R60704 alloy belongs to the otherwise unclassified metals classification, while ACI-ASTM CG12 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 ACI-ASTM CG12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 16
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
78
Tensile Strength: Ultimate (UTS), MPa 470
550
Tensile Strength: Yield (Proof), MPa 270
220

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 6.0
16

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
180
Resilience: Unit (Modulus of Resilience), kJ/m3 370
120
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 58
12

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.12
Chromium (Cr), % 0.2 to 0.4
20 to 23
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
60.3 to 70
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
10 to 13
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 93 to 98.8
0