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EN 1.4017 Stainless Steel vs. Grade 1 Titanium

EN 1.4017 stainless steel belongs to the iron alloys classification, while grade 1 titanium belongs to the titanium 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 EN 1.4017 stainless steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 14
28
Fatigue Strength, MPa 220
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
39
Shear Strength, MPa 350
200
Tensile Strength: Ultimate (UTS), MPa 580
310
Tensile Strength: Yield (Proof), MPa 390
220

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 870
320
Melting Completion (Liquidus), °C 1440
1660
Melting Onset (Solidus), °C 1390
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 30
20
Thermal Expansion, µm/m-K 10
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 2.2
31
Embodied Energy, MJ/kg 31
510
Embodied Water, L/kg 120
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
79
Resilience: Unit (Modulus of Resilience), kJ/m3 380
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 8.1
8.2
Thermal Shock Resistance, points 20
24

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 78.3 to 82.8
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 1.2 to 1.6
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
99.095 to 100
Residuals, % 0
0 to 0.4