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EN 1.4527 Stainless Steel vs. EN 1.8550 Steel

Both EN 1.4527 stainless steel and EN 1.8550 steel are iron alloys. They have 47% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4527 stainless steel and the bottom bar is EN 1.8550 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11
Fatigue Strength, MPa 170
470
Impact Strength: V-Notched Charpy, J 67
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 480
1000
Tensile Strength: Yield (Proof), MPa 190
760

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 32
3.4
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.7
Embodied Energy, MJ/kg 78
23
Embodied Water, L/kg 210
67

Common Calculations

PREN (Pitting Resistance) 29
2.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 95
1550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
36
Strength to Weight: Bending, points 17
29
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 12
29

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.060
0.3 to 0.37
Chromium (Cr), % 19 to 22
1.5 to 1.8
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 37.4 to 48.5
94.4 to 96.3
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 2.0 to 3.0
0.15 to 0.25
Nickel (Ni), % 27.5 to 30.5
0.85 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035