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AISI 440B Stainless Steel vs. EN 1.4826 Stainless Steel

Both AISI 440B stainless steel and EN 1.4826 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 AISI 440B stainless steel and the bottom bar is EN 1.4826 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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