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EN 1.4466 Stainless Steel vs. EN 1.1121 Steel

Both EN 1.4466 stainless steel and EN 1.1121 steel are iron alloys. They have 50% 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 1.4466 stainless steel and the bottom bar is EN 1.1121 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
28
Fatigue Strength, MPa 250
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 440
260
Tensile Strength: Ultimate (UTS), MPa 640
400
Tensile Strength: Yield (Proof), MPa 280
210

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 28
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
1.4
Embodied Energy, MJ/kg 70
18
Embodied Water, L/kg 200
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
93
Resilience: Unit (Modulus of Resilience), kJ/m3 200
110
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 3.7
14
Thermal Shock Resistance, points 14
13

Alloy Composition

Carbon (C), % 0 to 0.020
0.070 to 0.13
Chromium (Cr), % 24 to 26
0
Iron (Fe), % 45.6 to 52.9
98.8 to 99.63
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035