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EN 1.6554 Steel vs. AISI 416 Stainless Steel

Both EN 1.6554 steel and AISI 416 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6554 steel and the bottom bar is AISI 416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 280
230 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 21
13 to 31
Fatigue Strength, MPa 380 to 520
230 to 340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 780 to 930
510 to 800
Tensile Strength: Yield (Proof), MPa 550 to 790
290 to 600

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
680
Melting Completion (Liquidus), °C 1460
1530
Melting Onset (Solidus), °C 1420
1480
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
30
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
1.9
Embodied Energy, MJ/kg 22
27
Embodied Water, L/kg 53
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
98 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
220 to 940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 33
18 to 29
Strength to Weight: Bending, points 24 to 27
18 to 25
Thermal Diffusivity, mm2/s 11
8.1
Thermal Shock Resistance, points 23 to 27
19 to 30

Alloy Composition

Carbon (C), % 0.23 to 0.28
0 to 0.15
Chromium (Cr), % 0.7 to 0.9
12 to 14
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 97.3
83.2 to 87.9
Manganese (Mn), % 0.6 to 0.9
0 to 1.3
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.0 to 2.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.025
0.15 to 0.35
Vanadium (V), % 0 to 0.030
0

Comparable Variants