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EN 1.4618 Stainless Steel vs. AISI 304LN Stainless Steel

Both EN 1.4618 stainless steel and AISI 304LN stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4618 stainless steel and the bottom bar is AISI 304LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 51
7.8 to 46
Fatigue Strength, MPa 240 to 250
200 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 480 to 500
400 to 680
Tensile Strength: Ultimate (UTS), MPa 680 to 700
580 to 1160
Tensile Strength: Yield (Proof), MPa 250 to 260
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 900
960
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
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
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.7
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) 19
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
140 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 25
21 to 41
Strength to Weight: Bending, points 22 to 23
20 to 31
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 15 to 16
13 to 26

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
18 to 20
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 62.7 to 72.5
65 to 73.9
Manganese (Mn), % 5.5 to 9.5
0 to 2.0
Nickel (Ni), % 4.5 to 5.5
8.0 to 12
Nitrogen (N), % 0 to 0.15
0.1 to 0.16
Phosphorus (P), % 0 to 0.070
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030