MakeItFrom.com
Menu (ESC)

S21904 Stainless Steel vs. Grade C-2 Titanium

S21904 stainless steel belongs to the iron alloys classification, while grade C-2 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 S21904 stainless steel and the bottom bar is grade C-2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
180
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17 to 51
17
Fatigue Strength, MPa 380 to 550
200
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
390
Tensile Strength: Yield (Proof), MPa 390 to 910
310

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 980
320
Melting Completion (Liquidus), °C 1400
1660
Melting Onset (Solidus), °C 1350
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 14
21
Thermal Expansion, µm/m-K 17
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
37
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 3.0
31
Embodied Energy, MJ/kg 43
510
Embodied Water, L/kg 160
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
61
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25 to 36
24
Strength to Weight: Bending, points 23 to 29
26
Thermal Diffusivity, mm2/s 3.8
8.8
Thermal Shock Resistance, points 15 to 21
30

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.1
Chromium (Cr), % 19 to 21.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 59.5 to 67.4
0 to 0.2
Manganese (Mn), % 8.0 to 10
0
Nickel (Ni), % 5.5 to 7.5
0 to 0.050
Nitrogen (N), % 0.15 to 0.4
0
Oxygen (O), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.8 to 100
Residuals, % 0
0 to 0.4