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EN 1.5501 Steel vs. EN 1.4849 Stainless Steel

Both EN 1.5501 steel and EN 1.4849 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.5501 steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 150
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 17
4.5
Fatigue Strength, MPa 180 to 270
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 390 to 510
480
Tensile Strength: Yield (Proof), MPa 260 to 420
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1020
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
12
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
42
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
7.1
Embodied Energy, MJ/kg 18
100
Embodied Water, L/kg 46
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 83
18
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 460
160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 18
17
Strength to Weight: Bending, points 15 to 18
17
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 11 to 15
11

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.13 to 0.16
0.3 to 0.5
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.4 to 99.269
32.6 to 43.5
Manganese (Mn), % 0.6 to 0.8
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030