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AISI 304L Stainless Steel vs. EN 1.4434 Stainless Steel

Both AISI 304L stainless steel and EN 1.4434 stainless steel are iron alloys. They have a moderately high 94% 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 AISI 304L stainless steel and the bottom bar is EN 1.4434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 350
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.7 to 46
41
Fatigue Strength, MPa 170 to 430
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 370 to 680
450
Tensile Strength: Ultimate (UTS), MPa 540 to 1160
660
Tensile Strength: Yield (Proof), MPa 190 to 870
310

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 540
980
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
21
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.2
Embodied Energy, MJ/kg 44
57
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 20
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 240
220
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 1900
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 41
23
Strength to Weight: Bending, points 19 to 31
21
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 12 to 25
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 18 to 20
16.5 to 19.5
Iron (Fe), % 65 to 74
59.2 to 69.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 8.0 to 12
10.5 to 14
Nitrogen (N), % 0 to 0.1
0.1 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015