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EN 1.8550 Steel vs. EN 1.4854 Stainless Steel

Both EN 1.8550 steel and EN 1.4854 stainless steel are iron alloys. They have 41% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8550 steel and the bottom bar is EN 1.4854 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
45
Fatigue Strength, MPa 470
310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 600
520
Tensile Strength: Ultimate (UTS), MPa 1000
750
Tensile Strength: Yield (Proof), MPa 760
340

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 440
1170
Melting Completion (Liquidus), °C 1450
1370
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 40
11
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
5.7
Embodied Energy, MJ/kg 23
81
Embodied Water, L/kg 67
220

Common Calculations

PREN (Pitting Resistance) 2.3
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
270
Resilience: Unit (Modulus of Resilience), kJ/m3 1550
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
26
Strength to Weight: Bending, points 29
23
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 29
18

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 1.5 to 1.8
24 to 26
Iron (Fe), % 94.4 to 96.3
33.6 to 40.6
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.85 to 1.2
34 to 36
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
1.2 to 2.0
Sulfur (S), % 0 to 0.035
0 to 0.015