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EN 1.4525 Stainless Steel vs. Grade 1 Titanium

EN 1.4525 stainless steel belongs to the iron alloys classification, while grade 1 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4525 stainless steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 5.6 to 13
28
Fatigue Strength, MPa 480 to 540
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
39
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
310
Tensile Strength: Yield (Proof), MPa 840 to 1120
220

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 860
320
Melting Completion (Liquidus), °C 1430
1660
Melting Onset (Solidus), °C 1390
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 18
20
Thermal Expansion, µm/m-K 11
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.8
31
Embodied Energy, MJ/kg 39
510
Embodied Water, L/kg 130
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
79
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 36 to 45
19
Strength to Weight: Bending, points 29 to 33
23
Thermal Diffusivity, mm2/s 4.7
8.2
Thermal Shock Resistance, points 34 to 41
24

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 2.5 to 4.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 70.4 to 79
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 3.5 to 5.5
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
99.095 to 100
Residuals, % 0
0 to 0.4