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AISI 309Cb Stainless Steel vs. EN 1.4646 Stainless Steel

Both AISI 309Cb stainless steel and EN 1.4646 stainless steel are iron alloys. They have 84% 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 309Cb 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, % 39
34
Fatigue Strength, MPa 200
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 390
500
Tensile Strength: Ultimate (UTS), MPa 580
750
Tensile Strength: Yield (Proof), MPa 230
430

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 510
410
Maximum Temperature: Mechanical, °C 1090
910
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.1
2.8
Embodied Energy, MJ/kg 59
41
Embodied Water, L/kg 170
160

Common Calculations

PREN (Pitting Resistance) 23
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
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 20
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), % 56 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 16
3.5 to 4.5
Niobium (Nb), % 0 to 1.1
0
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