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EN 1.4826 Stainless Steel vs. EN 1.8550 Steel

Both EN 1.4826 stainless steel and EN 1.8550 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4826 stainless steel and the bottom bar is EN 1.8550 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
11
Fatigue Strength, MPa 140
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
1000
Tensile Strength: Yield (Proof), MPa 260
760

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 950
440
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 17
3.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.7
Embodied Energy, MJ/kg 47
23
Embodied Water, L/kg 160
67

Common Calculations

PREN (Pitting Resistance) 23
2.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
100
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
36
Strength to Weight: Bending, points 18
29
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 11
29

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.3 to 0.5
0.3 to 0.37
Chromium (Cr), % 21 to 23
1.5 to 1.8
Iron (Fe), % 60.4 to 68.7
94.4 to 96.3
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.25
Nickel (Ni), % 9.0 to 11
0.85 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035