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EN 1.4841 Stainless Steel vs. Grade 37 Titanium

EN 1.4841 stainless steel belongs to the iron alloys classification, while grade 37 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 1.4841 stainless steel and the bottom bar is grade 37 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 32
22
Fatigue Strength, MPa 200
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
40
Shear Strength, MPa 430
240
Tensile Strength: Ultimate (UTS), MPa 650
390
Tensile Strength: Yield (Proof), MPa 260
250

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 1150
310
Melting Completion (Liquidus), °C 1380
1650
Melting Onset (Solidus), °C 1340
1600
Specific Heat Capacity, J/kg-K 490
550
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
8.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
6.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 4.3
31
Embodied Energy, MJ/kg 62
500
Embodied Water, L/kg 190
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
76
Resilience: Unit (Modulus of Resilience), kJ/m3 170
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 21
26
Thermal Diffusivity, mm2/s 4.0
8.4
Thermal Shock Resistance, points 15
29

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.0
Carbon (C), % 0 to 0.2
0 to 0.080
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 47.1 to 55.5
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 19 to 22
0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 1.5 to 2.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
96.9 to 99
Residuals, % 0
0 to 0.4