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AISI 309 Stainless Steel vs. EN 1.4116 Stainless Steel

Both AISI 309 stainless steel and EN 1.4116 stainless steel are iron alloys. They have 78% of their average alloy composition in common.

For each property being compared, the top bar is AISI 309 stainless steel and the bottom bar is EN 1.4116 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 47
14
Fatigue Strength, MPa 250 to 280
240
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 84
88
Shear Modulus, GPa 78
76
Shear Strength, MPa 420 to 470
450
Tensile Strength: Ultimate (UTS), MPa 600 to 710
750
Tensile Strength: Yield (Proof), MPa 260 to 350
430

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 980
800
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.5
Embodied Energy, MJ/kg 51
36
Embodied Water, L/kg 170
110

Common Calculations

PREN (Pitting Resistance) 23
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
87
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
27
Strength to Weight: Bending, points 20 to 23
24
Thermal Diffusivity, mm2/s 4.3
8.1
Thermal Shock Resistance, points 14 to 16
26

Alloy Composition

Carbon (C), % 0 to 0.2
0.45 to 0.55
Chromium (Cr), % 22 to 24
14 to 15
Iron (Fe), % 58 to 66
81.3 to 85
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 0.8
Nickel (Ni), % 12 to 15
0
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.1 to 0.2