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Grade 6 Titanium vs. EN 1.4961 Stainless Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.4961 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is EN 1.4961 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 11
39
Fatigue Strength, MPa 290
190
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
76
Shear Strength, MPa 530
420
Tensile Strength: Ultimate (UTS), MPa 890
610
Tensile Strength: Yield (Proof), MPa 840
220

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 310
890
Melting Completion (Liquidus), °C 1580
1430
Melting Onset (Solidus), °C 1530
1390
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.8
16
Thermal Expansion, µm/m-K 9.4
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
21
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 30
4.0
Embodied Energy, MJ/kg 480
57
Embodied Water, L/kg 190
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
190
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
22
Strength to Weight: Bending, points 46
20
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 65
14

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 0
15 to 17
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
65.6 to 72.3
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
12 to 14
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.3 to 0.6
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0