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SAE-AISI M30 Steel vs. R60704 Alloy

SAE-AISI M30 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 (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M30 steel and the bottom bar is R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
97
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 78
36
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
470

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Specific Heat Capacity, J/kg-K 450
270
Thermal Conductivity, W/m-K 24
22
Thermal Expansion, µm/m-K 12
6.0

Otherwise Unclassified Properties

Density, g/cm3 8.2
6.7
Embodied Water, L/kg 120
460

Common Calculations

Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 27 to 74
20
Strength to Weight: Bending, points 24 to 46
20
Thermal Diffusivity, mm2/s 6.6
12
Thermal Shock Resistance, points 25 to 67
58

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.050
Chromium (Cr), % 3.5 to 4.3
0.2 to 0.4
Cobalt (Co), % 4.5 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 75.2 to 80.9
0.2 to 0.4
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 7.8 to 9.0
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), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.0 to 2.0
Tungsten (W), % 1.3 to 2.3
0
Vanadium (V), % 1.0 to 1.4
0
Zirconium (Zr), % 0
93 to 98.8