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EN 1.4826 Stainless Steel vs. SAE-AISI 1144 Steel

Both EN 1.4826 stainless steel and SAE-AISI 1144 steel are iron alloys. They have 66% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
11 to 17
Fatigue Strength, MPa 140
280 to 430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 500
750 to 840
Tensile Strength: Yield (Proof), MPa 260
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 47
19
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
91 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
480 to 1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
27 to 30
Strength to Weight: Bending, points 18
23 to 25
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 11
22 to 24

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.4 to 0.48
Chromium (Cr), % 21 to 23
0
Iron (Fe), % 60.4 to 68.7
97.5 to 98
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
Molybdenum (Mo), % 0 to 0.5
0
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
Sulfur (S), % 0 to 0.030
0.24 to 0.33