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EN 1.4550 Stainless Steel vs. AISI 416 Stainless Steel

Both EN 1.4550 stainless steel and AISI 416 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 AISI 416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
230 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
13 to 31
Fatigue Strength, MPa 210
230 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 430
340 to 480
Tensile Strength: Ultimate (UTS), MPa 620
510 to 800
Tensile Strength: Yield (Proof), MPa 230
290 to 600

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 480
390
Maximum Temperature: Mechanical, °C 940
680
Melting Completion (Liquidus), °C 1430
1530
Melting Onset (Solidus), °C 1390
1480
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 16
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 18
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
1.9
Embodied Energy, MJ/kg 51
27
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
98 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
220 to 940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
18 to 29
Strength to Weight: Bending, points 21
18 to 25
Thermal Diffusivity, mm2/s 4.0
8.1
Thermal Shock Resistance, points 14
19 to 30

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 17 to 19
12 to 14
Iron (Fe), % 64.9 to 74
83.2 to 87.9
Manganese (Mn), % 0 to 2.0
0 to 1.3
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35