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EN 1.4826 Stainless Steel vs. SAE-AISI 8637 Steel

Both EN 1.4826 stainless steel and SAE-AISI 8637 steel are iron alloys. They have 67% 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 SAE-AISI 8637 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
23
Fatigue Strength, MPa 140
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
540
Tensile Strength: Yield (Proof), MPa 260
360

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 950
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
38
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.5
Embodied Energy, MJ/kg 47
20
Embodied Water, L/kg 160
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 3.7
10
Thermal Shock Resistance, points 11
18

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.35 to 0.4
Chromium (Cr), % 21 to 23
0.4 to 0.6
Iron (Fe), % 60.4 to 68.7
96.6 to 97.8
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.25
Nickel (Ni), % 9.0 to 11
0.4 to 0.7
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040