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AISI 304LN Stainless Steel vs. EN 1.7149 Steel

Both AISI 304LN stainless steel and EN 1.7149 steel are iron alloys. They have 72% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.7149 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580 to 1160
500 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 150
52

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 41
18 to 52
Strength to Weight: Bending, points 20 to 31
18 to 36
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 13 to 26
15 to 42

Alloy Composition

Carbon (C), % 0 to 0.030
0.17 to 0.22
Chromium (Cr), % 18 to 20
1.0 to 1.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65 to 73.9
96.5 to 97.7
Manganese (Mn), % 0 to 2.0
1.1 to 1.4
Nickel (Ni), % 8.0 to 12
0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.3
Sulfur (S), % 0 to 0.030
0.020 to 0.040