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SAE-AISI 1055 Steel vs. EN 1.4864 Stainless Steel

Both SAE-AISI 1055 steel and EN 1.4864 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 31 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 SAE-AISI 1055 steel and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
33
Fatigue Strength, MPa 260 to 390
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
75
Shear Strength, MPa 440 to 450
430
Tensile Strength: Ultimate (UTS), MPa 730 to 750
650
Tensile Strength: Yield (Proof), MPa 400 to 630
260

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
13
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 12
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.3
Embodied Energy, MJ/kg 18
75
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 85
170
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1070
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 14
3.3
Thermal Shock Resistance, points 23 to 24
17

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.15
Chromium (Cr), % 0
15 to 17
Iron (Fe), % 98.4 to 98.9
41.7 to 51
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Nickel (Ni), % 0
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0 to 0.050
0 to 0.015