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EN 1.4443 Stainless Steel vs. SAE-AISI 52100 Steel

Both EN 1.4443 stainless steel and SAE-AISI 52100 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4443 stainless steel and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
10 to 20
Fatigue Strength, MPa 170
250 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 490
590 to 2010
Tensile Strength: Yield (Proof), MPa 210
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
430
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 16
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.5
Embodied Energy, MJ/kg 54
20
Embodied Water, L/kg 160
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 110
350 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
21 to 72
Strength to Weight: Bending, points 18
20 to 45
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 11
19 to 61

Alloy Composition

Carbon (C), % 0 to 0.050
0.93 to 1.1
Chromium (Cr), % 18 to 20
1.4 to 1.6
Iron (Fe), % 60.4 to 69.5
96.5 to 97.3
Manganese (Mn), % 0 to 2.0
0.25 to 0.45
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 10 to 13
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.015