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SAE-AISI 1340 Steel vs. AISI 316Ti Stainless Steel

Both SAE-AISI 1340 steel and AISI 316Ti stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 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 SAE-AISI 1340 steel and the bottom bar is AISI 316Ti stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 23
41
Fatigue Strength, MPa 220 to 390
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
82
Shear Strength, MPa 340 to 440
400
Tensile Strength: Ultimate (UTS), MPa 540 to 730
580
Tensile Strength: Yield (Proof), MPa 300 to 620
230

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
940
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.0
Embodied Energy, MJ/kg 19
55
Embodied Water, L/kg 48
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 1040
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 26
20
Strength to Weight: Bending, points 19 to 23
20
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 17 to 23
13

Alloy Composition

Carbon (C), % 0.38 to 0.43
0 to 0.080
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 97.2 to 97.9
61.3 to 72
Manganese (Mn), % 1.6 to 1.9
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
10 to 14
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0 to 0.7