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EN 1.4313 Stainless Steel vs. Grade 4 Titanium

EN 1.4313 stainless steel belongs to the iron alloys classification, while grade 4 titanium belongs to the titanium alloys. There are 31 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 1.4313 stainless steel and the bottom bar is grade 4 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 12 to 17
17
Fatigue Strength, MPa 340 to 510
340
Impact Strength: V-Notched Charpy, J 55 to 70
23
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Shear Strength, MPa 460 to 600
390
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
640
Tensile Strength: Yield (Proof), MPa 580 to 910
530

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 780
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 25
19
Thermal Expansion, µm/m-K 10
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.4
31
Embodied Energy, MJ/kg 34
500
Embodied Water, L/kg 110
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
1330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 27 to 36
40
Strength to Weight: Bending, points 23 to 28
37
Thermal Diffusivity, mm2/s 6.7
7.6
Thermal Shock Resistance, points 27 to 36
46

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 12 to 14
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 78.5 to 84.2
0 to 0.5
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0.3 to 0.7
0
Nickel (Ni), % 3.5 to 4.5
0
Nitrogen (N), % 0 to 0.020
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
98.6 to 100
Residuals, % 0
0 to 0.4