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EN 1.4805 Stainless Steel vs. EN 1.1221 Steel

Both EN 1.4805 stainless steel and EN 1.1221 steel are iron alloys. They have 53% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4805 stainless steel and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
210 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0
10 to 21
Fatigue Strength, MPa 130
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 490
730 to 870
Tensile Strength: Yield (Proof), MPa 250
390 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
48
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.7
1.5
Embodied Energy, MJ/kg 66
19
Embodied Water, L/kg 180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
410 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
26 to 31
Strength to Weight: Bending, points 18
23 to 26
Thermal Diffusivity, mm2/s 3.7
13
Thermal Shock Resistance, points 11
23 to 28

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.57 to 0.65
Chromium (Cr), % 19 to 23
0 to 0.4
Iron (Fe), % 44.9 to 56.8
97.1 to 98.8
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 23 to 27
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035