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EN 1.4826 Stainless Steel vs. AISI 440B Stainless Steel

Both EN 1.4826 stainless steel and AISI 440B stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 30 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 EN 1.4826 stainless steel and the bottom bar is AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
3.0 to 18
Fatigue Strength, MPa 140
260 to 850
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 500
740 to 1930
Tensile Strength: Yield (Proof), MPa 260
430 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 950
870
Melting Completion (Liquidus), °C 1400
1480
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
23
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.2
Embodied Energy, MJ/kg 47
31
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 23
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
57 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
27 to 70
Strength to Weight: Bending, points 18
24 to 45
Thermal Diffusivity, mm2/s 3.7
6.1
Thermal Shock Resistance, points 11
27 to 70

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.75 to 1.0
Chromium (Cr), % 21 to 23
16 to 18
Iron (Fe), % 60.4 to 68.7
78.2 to 83.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.75
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015