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AISI 347LN Stainless Steel vs. Grade 36 Titanium

AISI 347LN stainless steel belongs to the iron alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI 347LN stainless steel and the bottom bar is grade 36 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
11
Fatigue Strength, MPa 200
300
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 77
39
Shear Strength, MPa 400
320
Tensile Strength: Ultimate (UTS), MPa 590
530
Tensile Strength: Yield (Proof), MPa 230
520

Thermal Properties

Latent Heat of Fusion, J/g 290
370
Maximum Temperature: Mechanical, °C 940
320
Melting Completion (Liquidus), °C 1430
2020
Melting Onset (Solidus), °C 1380
1950
Specific Heat Capacity, J/kg-K 480
420
Thermal Expansion, µm/m-K 16
8.1

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.3
Embodied Carbon, kg CO2/kg material 3.5
58
Embodied Energy, MJ/kg 49
920
Embodied Water, L/kg 150
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
59
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1260
Stiffness to Weight: Axial, points 14
9.3
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
23
Thermal Shock Resistance, points 13
45

Alloy Composition

Carbon (C), % 0.0050 to 0.020
0 to 0.030
Chromium (Cr), % 17 to 19
0
Hydrogen (H), % 0
0 to 0.0035
Iron (Fe), % 64.3 to 73.7
0 to 0.030
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 13
0
Niobium (Nb), % 0.2 to 0.5
42 to 47
Nitrogen (N), % 0.060 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
52.3 to 58
Residuals, % 0
0 to 0.4