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R60704 Alloy vs. SAE-AISI 4130 Steel

R60704 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI 4130 steel belongs to the iron alloys. There are 20 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 R60704 alloy and the bottom bar is SAE-AISI 4130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 16
13 to 26
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 470
530 to 1040
Tensile Strength: Yield (Proof), MPa 270
440 to 980

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
43
Thermal Expansion, µm/m-K 6.0
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
83 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 370
500 to 2550
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 20
19 to 37
Strength to Weight: Bending, points 20
19 to 29
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 58
16 to 31

Alloy Composition

Carbon (C), % 0 to 0.050
0.28 to 0.33
Chromium (Cr), % 0.2 to 0.4
0.8 to 1.1
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
97.3 to 98.2
Manganese (Mn), % 0
0.4 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.25
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 93 to 98.8
0