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AISI 416 Stainless Steel vs. EN 1.1221 Steel

Both AISI 416 stainless steel and EN 1.1221 steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 416 stainless steel and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 320
210 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 31
10 to 21
Fatigue Strength, MPa 230 to 340
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 340 to 480
450 to 520
Tensile Strength: Ultimate (UTS), MPa 510 to 800
730 to 870
Tensile Strength: Yield (Proof), MPa 290 to 600
390 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 680
400
Melting Completion (Liquidus), °C 1530
1460
Melting Onset (Solidus), °C 1480
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
48
Thermal Expansion, µm/m-K 9.9
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 27
19
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 140
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 940
410 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18 to 29
26 to 31
Strength to Weight: Bending, points 18 to 25
23 to 26
Thermal Diffusivity, mm2/s 8.1
13
Thermal Shock Resistance, points 19 to 30
23 to 28

Alloy Composition

Carbon (C), % 0 to 0.15
0.57 to 0.65
Chromium (Cr), % 12 to 14
0 to 0.4
Iron (Fe), % 83.2 to 87.9
97.1 to 98.8
Manganese (Mn), % 0 to 1.3
0.6 to 0.9
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.060
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0.15 to 0.35
0 to 0.035

Comparable Variants