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EN 1.4874 Stainless Steel vs. EN 1.5408 Steel

Both EN 1.4874 stainless steel and EN 1.5408 steel are iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4874 stainless steel and the bottom bar is EN 1.5408 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 480
460 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1150
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
48
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.4
Embodied Energy, MJ/kg 110
19
Embodied Water, L/kg 290
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
16 to 57
Strength to Weight: Bending, points 16
17 to 39
Thermal Diffusivity, mm2/s 3.3
13
Thermal Shock Resistance, points 11
13 to 48

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.35 to 0.65
0.28 to 0.32
Chromium (Cr), % 19 to 22
0 to 0.3
Cobalt (Co), % 18.5 to 22
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 23 to 38.9
97.7 to 98.8
Manganese (Mn), % 0 to 2.0
0.8 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0.080 to 0.12
Nickel (Ni), % 18 to 22
0
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 2.0 to 3.0
0