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EN 1.4550 Stainless Steel vs. EN 1.0220 Steel

Both EN 1.4550 stainless steel and EN 1.0220 steel are iron alloys. They have 70% 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 1.4550 stainless steel and the bottom bar is EN 1.0220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
110
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
23
Fatigue Strength, MPa 210
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430
250
Tensile Strength: Ultimate (UTS), MPa 620
390
Tensile Strength: Yield (Proof), MPa 230
290

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
18
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
80
Resilience: Unit (Modulus of Resilience), kJ/m3 140
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
14
Strength to Weight: Bending, points 21
15
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.16
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 64.9 to 74
98.2 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.2
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.045