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EN 1.4378 Stainless Steel vs. AISI 304L Stainless Steel

Both EN 1.4378 stainless steel and AISI 304L stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4378 stainless steel and the bottom bar is AISI 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
160 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 34
6.7 to 46
Fatigue Strength, MPa 340 to 550
170 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 510 to 680
370 to 680
Tensile Strength: Ultimate (UTS), MPa 760 to 1130
540 to 1160
Tensile Strength: Yield (Proof), MPa 430 to 970
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 910
540
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 39
44
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 23
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
71 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 2370
92 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
19 to 41
Strength to Weight: Bending, points 24 to 31
19 to 31
Thermal Shock Resistance, points 16 to 23
12 to 25

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 19
18 to 20
Iron (Fe), % 61.2 to 69
65 to 74
Manganese (Mn), % 11.5 to 14.5
0 to 2.0
Nickel (Ni), % 2.3 to 3.7
8.0 to 12
Nitrogen (N), % 0.2 to 0.4
0 to 0.1
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030