MakeItFrom.com
Menu (ESC)

R05240 Alloy vs. EN 1.7729 Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.7729 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Elongation at Break, % 25
17
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 57
73
Tensile Strength: Ultimate (UTS), MPa 270
910
Tensile Strength: Yield (Proof), MPa 170
750

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Specific Heat Capacity, J/kg-K 190
470
Thermal Expansion, µm/m-K 6.8
13

Otherwise Unclassified Properties

Density, g/cm3 14
7.8
Embodied Water, L/kg 460
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
150
Resilience: Unit (Modulus of Resilience), kJ/m3 90
1500
Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
32
Strength to Weight: Bending, points 6.8
27
Thermal Shock Resistance, points 18
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.010
0.17 to 0.23
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
94.8 to 97
Manganese (Mn), % 0
0.35 to 0.75
Molybdenum (Mo), % 0 to 0.020
0.9 to 1.1
Nickel (Ni), % 0 to 0.010
0 to 0.2
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.0050
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 57.9 to 65
0
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.010
0.070 to 0.15
Tungsten (W), % 0 to 0.050
0
Vanadium (V), % 0
0.6 to 0.8