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EN 1.4612 Stainless Steel vs. Grade 33 Titanium

EN 1.4612 stainless steel belongs to the iron alloys classification, while grade 33 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4612 stainless steel and the bottom bar is grade 33 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11
23
Fatigue Strength, MPa 860 to 950
250
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Shear Strength, MPa 1010 to 1110
240
Tensile Strength: Ultimate (UTS), MPa 1690 to 1850
390
Tensile Strength: Yield (Proof), MPa 1570 to 1730
350

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 790
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Expansion, µm/m-K 11
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 16
55
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 3.6
33
Embodied Energy, MJ/kg 50
530
Embodied Water, L/kg 140
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 210
86
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 60 to 65
24
Strength to Weight: Bending, points 40 to 43
26
Thermal Shock Resistance, points 58 to 63
30

Alloy Composition

Aluminum (Al), % 1.4 to 1.8
0
Carbon (C), % 0 to 0.015
0 to 0.080
Chromium (Cr), % 11 to 12.5
0.1 to 0.2
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 71.5 to 75.5
0 to 0.3
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 1.8 to 2.3
0
Nickel (Ni), % 10.2 to 11.3
0.35 to 0.55
Nitrogen (N), % 0 to 0.010
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.010 to 0.020
Phosphorus (P), % 0 to 0.010
0
Ruthenium (Ru), % 0
0.020 to 0.040
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0.2 to 0.5
98.1 to 99.52
Residuals, % 0
0 to 0.4