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EN 1.4818 Stainless Steel vs. AISI 316Ti Stainless Steel

Both EN 1.4818 stainless steel and AISI 316Ti stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4818 stainless steel and the bottom bar is AISI 316Ti stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
41
Fatigue Strength, MPa 280
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
82
Shear Strength, MPa 480
400
Tensile Strength: Ultimate (UTS), MPa 700
580
Tensile Strength: Yield (Proof), MPa 330
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
470
Maximum Temperature: Mechanical, °C 1050
940
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.0
Embodied Energy, MJ/kg 44
55
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 22
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
190
Resilience: Unit (Modulus of Resilience), kJ/m3 270
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.5
4.0
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.080
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 20
16 to 18
Iron (Fe), % 65.6 to 71.8
61.3 to 72
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 9.0 to 11
10 to 14
Nitrogen (N), % 0.12 to 0.2
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 1.0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.7