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S44735 Stainless Steel vs. Grade 1 Titanium

S44735 stainless steel belongs to the iron alloys classification, while grade 1 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
120
Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 21
28
Fatigue Strength, MPa 300
170
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 82
39
Shear Strength, MPa 390
200
Tensile Strength: Ultimate (UTS), MPa 630
310
Tensile Strength: Yield (Proof), MPa 460
220

Thermal Properties

Latent Heat of Fusion, J/g 310
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Expansion, µm/m-K 11
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 21
37
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 4.4
31
Embodied Energy, MJ/kg 61
510
Embodied Water, L/kg 180
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
79
Resilience: Unit (Modulus of Resilience), kJ/m3 520
230
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
35
Strength to Weight: Axial, points 23
19
Strength to Weight: Bending, points 21
23
Thermal Shock Resistance, points 20
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 28 to 30
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 60.7 to 68.4
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.6 to 4.2
0
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.2 to 1.0
99.095 to 100
Residuals, % 0
0 to 0.4