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EN 1.3956 Stainless Steel vs. Grade C-3 Titanium

EN 1.3956 stainless steel belongs to the iron alloys classification, while grade C-3 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 stainless steel and the bottom bar is grade C-3 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 27
13
Fatigue Strength, MPa 240
260
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 650
500
Tensile Strength: Yield (Proof), MPa 330
430

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1080
320
Melting Completion (Liquidus), °C 1420
1660
Melting Onset (Solidus), °C 1380
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Expansion, µm/m-K 13
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 22
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 4.8
31
Embodied Energy, MJ/kg 68
510
Embodied Water, L/kg 180
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
65
Resilience: Unit (Modulus of Resilience), kJ/m3 270
880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 23
31
Strength to Weight: Bending, points 21
31
Thermal Shock Resistance, points 18
39

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.1
Chromium (Cr), % 20.5 to 23.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 51.9 to 62.1
0 to 0.25
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0 to 0.050
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Oxygen (O), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.8 to 100
Vanadium (V), % 0.1 to 0.3
0
Residuals, % 0
0 to 0.4