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SAE-AISI 4028 Steel vs. R60704 Alloy

SAE-AISI 4028 steel belongs to the iron alloys classification, while R60704 alloy belongs to the otherwise unclassified metals. 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 SAE-AISI 4028 steel and the bottom bar is R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
97
Elongation at Break, % 14 to 23
16
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 490 to 630
470
Tensile Strength: Yield (Proof), MPa 260 to 520
270

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 49
22
Thermal Expansion, µm/m-K 12
6.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 47
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 95
64
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 720
370
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17 to 22
20
Strength to Weight: Bending, points 18 to 21
20
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 16 to 20
58

Alloy Composition

Carbon (C), % 0.25 to 0.3
0 to 0.050
Chromium (Cr), % 0
0.2 to 0.4
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 98.1 to 98.7
0.2 to 0.4
Manganese (Mn), % 0.7 to 0.9
0
Molybdenum (Mo), % 0.2 to 0.3
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0.035 to 0.050
0
Tin (Sn), % 0
1.0 to 2.0
Zirconium (Zr), % 0
93 to 98.8