MakeItFrom.com
Menu (ESC)

EN 1.4318 Stainless Steel vs. AISI 308L Stainless Steel

Both EN 1.4318 stainless steel and AISI 308L stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4318 stainless steel and the bottom bar is AISI 308L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 44
34
Fatigue Strength, MPa 340
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 520
380
Tensile Strength: Ultimate (UTS), MPa 740
580
Tensile Strength: Yield (Proof), MPa 380
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 910
1010
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.2
Embodied Energy, MJ/kg 39
45
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 20
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
160
Resilience: Unit (Modulus of Resilience), kJ/m3 360
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16.5 to 18.5
19.5 to 22
Iron (Fe), % 70.2 to 77.4
63.8 to 70.5
Manganese (Mn), % 0 to 2.0
1.0 to 2.5
Nickel (Ni), % 6.0 to 8.0
9.0 to 11
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.25 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030