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R58150 Titanium vs. EN 1.6957 Steel

R58150 titanium belongs to the titanium alloys classification, while EN 1.6957 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R58150 titanium and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 13
18
Fatigue Strength, MPa 330
530
Poisson's Ratio 0.32
0.29
Reduction in Area, % 68
46
Shear Modulus, GPa 52
73
Shear Strength, MPa 470
570
Tensile Strength: Ultimate (UTS), MPa 770
930
Tensile Strength: Yield (Proof), MPa 550
780

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 320
450
Melting Completion (Liquidus), °C 1760
1460
Melting Onset (Solidus), °C 1700
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 8.4
13

Otherwise Unclassified Properties

Base Metal Price, % relative 48
5.0
Density, g/cm3 5.4
7.9
Embodied Carbon, kg CO2/kg material 31
2.1
Embodied Energy, MJ/kg 480
29
Embodied Water, L/kg 150
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
160
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 40
33
Strength to Weight: Bending, points 35
27
Thermal Shock Resistance, points 48
27

Alloy Composition

Carbon (C), % 0 to 0.1
0.22 to 0.32
Chromium (Cr), % 0
1.2 to 1.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
92.7 to 94.7
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 14 to 16
0.25 to 0.45
Nickel (Ni), % 0
3.4 to 4.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.15
Sulfur (S), % 0
0 to 0.0070
Titanium (Ti), % 83.5 to 86
0
Vanadium (V), % 0
0.050 to 0.15