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R60704 Alloy vs. EN 1.6220 Steel

R60704 alloy belongs to the otherwise unclassified metals classification, while EN 1.6220 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 EN 1.6220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 16
23 to 25
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 470
550 to 580
Tensile Strength: Yield (Proof), MPa 270
340

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
52
Thermal Expansion, µm/m-K 6.0
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 370
300 to 310
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 20
19 to 20
Strength to Weight: Bending, points 20
19 to 20
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 58
16 to 17

Alloy Composition

Carbon (C), % 0 to 0.050
0.17 to 0.23
Chromium (Cr), % 0.2 to 0.4
0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
96.7 to 98.8
Manganese (Mn), % 0
1.0 to 1.6
Nickel (Ni), % 0
0 to 0.8
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 93 to 98.8
0