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EN 1.4913 Stainless Steel vs. AISI 409Cb Stainless Steel

Both EN 1.4913 stainless steel and AISI 409Cb stainless steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4913 stainless steel and the bottom bar is AISI 409Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 22
24
Fatigue Strength, MPa 320 to 480
140
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
75
Shear Strength, MPa 550 to 590
270
Tensile Strength: Ultimate (UTS), MPa 870 to 980
420
Tensile Strength: Yield (Proof), MPa 480 to 850
200

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 700
710
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
8.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.2
Embodied Energy, MJ/kg 41
31
Embodied Water, L/kg 97
94

Common Calculations

PREN (Pitting Resistance) 14
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
83
Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 1860
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 35
15
Strength to Weight: Bending, points 26 to 28
16
Thermal Diffusivity, mm2/s 6.5
6.7
Thermal Shock Resistance, points 31 to 34
15

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0015
0
Carbon (C), % 0.17 to 0.23
0 to 0.060
Chromium (Cr), % 10 to 11.5
10.5 to 11.7
Iron (Fe), % 84.5 to 88.3
84.9 to 89.5
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.5 to 0.8
0
Nickel (Ni), % 0.2 to 0.6
0 to 0.5
Niobium (Nb), % 0.25 to 0.55
0 to 0.75
Nitrogen (N), % 0.050 to 0.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Vanadium (V), % 0.1 to 0.3
0