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AISI 309Cb Stainless Steel vs. EN 1.4618 Stainless Steel

Both AISI 309Cb stainless steel and EN 1.4618 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, 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 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
51
Fatigue Strength, MPa 200
240 to 250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 390
480 to 500
Tensile Strength: Ultimate (UTS), MPa 580
680 to 700
Tensile Strength: Yield (Proof), MPa 230
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 510
410
Maximum Temperature: Mechanical, °C 1090
900
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 59
39
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
24 to 25
Strength to Weight: Bending, points 20
22 to 23
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 13
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 22 to 24
16.5 to 18.5
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 56 to 66
62.7 to 72.5
Manganese (Mn), % 0 to 2.0
5.5 to 9.5
Nickel (Ni), % 12 to 16
4.5 to 5.5
Niobium (Nb), % 0 to 1.1
0
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.045
0 to 0.070
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010