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EN 1.4020 Stainless Steel vs. Grade 12 Titanium

EN 1.4020 stainless steel belongs to the iron alloys classification, while grade 12 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4020 stainless steel and the bottom bar is grade 12 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
170
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 13 to 34
21
Fatigue Strength, MPa 340 to 540
280
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
39
Shear Strength, MPa 510 to 680
330
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
530
Tensile Strength: Yield (Proof), MPa 430 to 950
410

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 890
320
Melting Completion (Liquidus), °C 1390
1660
Melting Onset (Solidus), °C 1350
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Expansion, µm/m-K 17
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 7.6
4.5
Embodied Carbon, kg CO2/kg material 2.5
31
Embodied Energy, MJ/kg 37
500
Embodied Water, L/kg 150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
770
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 28 to 41
32
Strength to Weight: Bending, points 25 to 32
32
Thermal Shock Resistance, points 16 to 23
37

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 16.5 to 19
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62.8 to 71.8
0 to 0.3
Manganese (Mn), % 11 to 14
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0.5 to 2.5
0.6 to 0.9
Nitrogen (N), % 0.2 to 0.45
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
97.6 to 99.2
Residuals, % 0
0 to 0.4