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AISI 304H Stainless Steel vs. EN 1.5408 Steel

Both AISI 304H stainless steel and EN 1.5408 steel are iron alloys. They have 72% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 304H stainless steel and the bottom bar is EN 1.5408 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
64 to 69
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580
460 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
48
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 150
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
16 to 57
Strength to Weight: Bending, points 20
17 to 39
Thermal Diffusivity, mm2/s 4.5
13
Thermal Shock Resistance, points 13
13 to 48

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.040 to 0.1
0.28 to 0.32
Chromium (Cr), % 18 to 20
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 66.6 to 74
97.7 to 98.8
Manganese (Mn), % 0 to 2.0
0.8 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.12
Nickel (Ni), % 8.0 to 10.5
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 to 0.025