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R60704 Alloy vs. SAE-AISI M4 Steel

R60704 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI M4 steel belongs to the iron alloys. 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 R60704 alloy and the bottom bar is SAE-AISI M4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
76
Tensile Strength: Ultimate (UTS), MPa 470
770 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Specific Heat Capacity, J/kg-K 270
440
Thermal Conductivity, W/m-K 22
25
Thermal Expansion, µm/m-K 6.0
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.3
Embodied Water, L/kg 460
110

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 20
26 to 72
Strength to Weight: Bending, points 20
23 to 45
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 58
24 to 68

Alloy Composition

Carbon (C), % 0 to 0.050
1.3 to 1.4
Chromium (Cr), % 0.2 to 0.4
3.8 to 4.8
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
75.9 to 81.4
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.3 to 5.5
Nickel (Ni), % 0
0 to 0.3
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
Tin (Sn), % 1.0 to 2.0
0
Tungsten (W), % 0
5.3 to 6.5
Vanadium (V), % 0
3.8 to 4.5
Zirconium (Zr), % 93 to 98.8
0