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EN 1.4849 Stainless Steel vs. EN 1.8151 Steel

Both EN 1.4849 stainless steel and EN 1.8151 steel are iron alloys. They have 41% of their average alloy composition in common. There are 23 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 EN 1.4849 stainless steel and the bottom bar is EN 1.8151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200 to 540
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 480
670 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 1020
410
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
50
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 42
2.2
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.1
1.8
Embodied Energy, MJ/kg 100
25
Embodied Water, L/kg 200
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
24 to 70
Strength to Weight: Bending, points 17
22 to 45
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 11
20 to 58

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.4 to 0.5
Chromium (Cr), % 18 to 21
0.4 to 0.8
Iron (Fe), % 32.6 to 43.5
95.9 to 97.2
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
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
1.3 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0.1 to 0.2