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AISI 304LN Stainless Steel vs. EN 1.4438 Stainless Steel

Both AISI 304LN stainless steel and EN 1.4438 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 AISI 304LN stainless steel and the bottom bar is EN 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 7.8 to 46
41
Fatigue Strength, MPa 200 to 440
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 400 to 680
420
Tensile Strength: Ultimate (UTS), MPa 580 to 1160
620
Tensile Strength: Yield (Proof), MPa 230 to 870
250

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 960
1000
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.4
Embodied Energy, MJ/kg 44
60
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 21
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 270
200
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1900
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 41
22
Strength to Weight: Bending, points 20 to 31
20
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 13 to 26
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 18 to 20
17.5 to 19.5
Iron (Fe), % 65 to 73.9
57.3 to 66.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 8.0 to 12
13 to 16
Nitrogen (N), % 0.1 to 0.16
0 to 0.1
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