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EN 1.4557 Stainless Steel vs. AISI 304LN Stainless Steel

Both EN 1.4557 stainless steel and AISI 304LN stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 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 1.4557 stainless steel and the bottom bar is AISI 304LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
7.8 to 46
Fatigue Strength, MPa 260
200 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 560
580 to 1160
Tensile Strength: Yield (Proof), MPa 300
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1090
960
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 29
16
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
3.1
Embodied Energy, MJ/kg 76
44
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 45
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 210
140 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
21 to 41
Strength to Weight: Bending, points 19
20 to 31
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 12
13 to 26

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19.5 to 20.5
18 to 20
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
65 to 73.9
Manganese (Mn), % 0 to 1.2
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
8.0 to 12
Nitrogen (N), % 0.18 to 0.24
0.1 to 0.16
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030