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AISI 416 Stainless Steel vs. EN 1.3551 Steel

Both AISI 416 stainless steel and EN 1.3551 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 320
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 510 to 800
720

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 680
530
Melting Completion (Liquidus), °C 1530
1490
Melting Onset (Solidus), °C 1480
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 30
36
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
4.9
Embodied Energy, MJ/kg 27
71
Embodied Water, L/kg 100
82

Common Calculations

PREN (Pitting Resistance) 13
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18 to 29
26
Strength to Weight: Bending, points 18 to 25
23
Thermal Diffusivity, mm2/s 8.1
9.8
Thermal Shock Resistance, points 19 to 30
21

Alloy Composition

Carbon (C), % 0 to 0.15
0.77 to 0.85
Chromium (Cr), % 12 to 14
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 83.2 to 87.9
88.8 to 91.1
Manganese (Mn), % 0 to 1.3
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0.15 to 0.35
0 to 0.015
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1