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EN 1.4640 Stainless Steel vs. SAE-AISI 52100 Steel

Both EN 1.4640 stainless steel and SAE-AISI 52100 steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
10 to 20
Fatigue Strength, MPa 230 to 250
250 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 440 to 460
370 to 420
Tensile Strength: Ultimate (UTS), MPa 620 to 650
590 to 2010
Tensile Strength: Yield (Proof), MPa 240 to 260
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 930
430
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 16
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 40
20
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
350 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 23
21 to 72
Strength to Weight: Bending, points 21
20 to 45
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 14 to 15
19 to 61

Alloy Composition

Carbon (C), % 0.030 to 0.080
0.93 to 1.1
Chromium (Cr), % 18 to 19
1.4 to 1.6
Copper (Cu), % 1.3 to 2.0
0
Iron (Fe), % 67.4 to 73.6
96.5 to 97.3
Manganese (Mn), % 1.5 to 4.0
0.25 to 0.45
Nickel (Ni), % 5.5 to 6.9
0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015