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AISI 309S Stainless Steel vs. EN 1.4646 Stainless Steel

Both AISI 309S stainless steel and EN 1.4646 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 29 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 309S stainless steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
34
Fatigue Strength, MPa 210
340
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 400
500
Tensile Strength: Ultimate (UTS), MPa 580
750
Tensile Strength: Yield (Proof), MPa 230
430

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1080
910
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 51
41
Embodied Water, L/kg 170
160

Common Calculations

PREN (Pitting Resistance) 23
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
27
Strength to Weight: Bending, points 20
24
Thermal Shock Resistance, points 13
16

Alloy Composition

Carbon (C), % 0 to 0.080
0.020 to 0.1
Chromium (Cr), % 22 to 24
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 58.1 to 66
59 to 67.3
Manganese (Mn), % 0 to 2.0
10.5 to 12.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 12 to 15
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015