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R60705 Alloy vs. SAE-AISI M3 Class 1 Steel

R60705 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI M3 class 1 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R60705 alloy and the bottom bar is SAE-AISI M3 class 1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
77
Tensile Strength: Ultimate (UTS), MPa 540
770 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Specific Heat Capacity, J/kg-K 270
440
Thermal Conductivity, W/m-K 17
26
Thermal Expansion, µm/m-K 6.3
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.3
Embodied Water, L/kg 450
100

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 22
26 to 72
Strength to Weight: Bending, points 22
22 to 44
Thermal Diffusivity, mm2/s 9.5
7.2
Thermal Shock Resistance, points 63
24 to 67

Alloy Composition

Carbon (C), % 0 to 0.050
1.0 to 1.1
Chromium (Cr), % 0 to 0.2
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
76.9 to 82.9
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 to 6.5
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0
2.3 to 2.8
Zirconium (Zr), % 91 to 98
0