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EN 1.4418 Stainless Steel vs. AISI 316Ti Stainless Steel

Both EN 1.4418 stainless steel and AISI 316Ti stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 32 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 EN 1.4418 stainless steel and the bottom bar is AISI 316Ti stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 20
41
Fatigue Strength, MPa 350 to 480
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
82
Shear Strength, MPa 530 to 620
400
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
580
Tensile Strength: Yield (Proof), MPa 540 to 790
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
470
Maximum Temperature: Mechanical, °C 870
940
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.0
Embodied Energy, MJ/kg 39
55
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 20
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
190
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 36
20
Strength to Weight: Bending, points 26 to 28
20
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 31 to 36
13

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 15 to 17
16 to 18
Iron (Fe), % 73.2 to 80.2
61.3 to 72
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.5
2.0 to 3.0
Nickel (Ni), % 4.0 to 6.0
10 to 14
Nitrogen (N), % 0 to 0.020
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.7