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EN 1.4109 Stainless Steel vs. AISI 316Cb Stainless Steel

Both EN 1.4109 stainless steel and AISI 316Cb stainless steel are iron alloys. Both are furnished in the annealed condition. They have 83% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4109 stainless steel and the bottom bar is AISI 316Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 19
34
Fatigue Strength, MPa 270
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 480
390
Tensile Strength: Ultimate (UTS), MPa 770
580
Tensile Strength: Yield (Proof), MPa 420
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
490
Maximum Temperature: Mechanical, °C 820
940
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
4.4
Embodied Energy, MJ/kg 30
61
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 17
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 460
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 8.1
4.1
Thermal Shock Resistance, points 28
13

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.080
Chromium (Cr), % 14 to 16
16 to 18
Iron (Fe), % 80.7 to 85
60.9 to 72
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.4 to 0.8
2.0 to 3.0
Nickel (Ni), % 0
10 to 14
Niobium (Nb), % 0
0 to 1.1
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030