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EN 1.4849 Stainless Steel vs. EN 1.5538 Steel

Both EN 1.4849 stainless steel and EN 1.5538 steel are iron alloys. They have a modest 40% 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 1.4849 stainless steel and the bottom bar is EN 1.5538 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 480
530 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 42
2.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.1
1.4
Embodied Energy, MJ/kg 100
19
Embodied Water, L/kg 200
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
19 to 64
Strength to Weight: Bending, points 17
19 to 42
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 11
16 to 53

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.3 to 0.5
0.35 to 0.4
Chromium (Cr), % 18 to 21
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 32.6 to 43.5
97.2 to 98.5
Manganese (Mn), % 0 to 2.0
1.2 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
0
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025