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EN 1.4412 Stainless Steel vs. Grade 1 Titanium

EN 1.4412 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4412 stainless steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
120
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
28
Fatigue Strength, MPa 190
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 79
39
Tensile Strength: Ultimate (UTS), MPa 490
310
Tensile Strength: Yield (Proof), MPa 230
220

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1000
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 16
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.1
31
Embodied Energy, MJ/kg 56
510
Embodied Water, L/kg 160
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
79
Resilience: Unit (Modulus of Resilience), kJ/m3 140
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 3.9
8.2
Thermal Shock Resistance, points 11
24

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 18 to 20
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 60.4 to 69
0 to 0.2
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 10 to 13
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 1.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.095 to 100
Residuals, % 0
0 to 0.4