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EN 1.6554 Steel vs. SAE-AISI 1146 Steel

Both EN 1.6554 steel and SAE-AISI 1146 steel are iron alloys. They have a very high 97% 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 1.6554 steel and the bottom bar is SAE-AISI 1146 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 280
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 21
13 to 17
Fatigue Strength, MPa 380 to 520
240 to 400
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 780 to 930
670 to 730
Tensile Strength: Yield (Proof), MPa 550 to 790
360 to 630

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.4
Embodied Energy, MJ/kg 22
18
Embodied Water, L/kg 53
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
340 to 1050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 33
24 to 26
Strength to Weight: Bending, points 24 to 27
22 to 23
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 23 to 27
20 to 22

Alloy Composition

Carbon (C), % 0.23 to 0.28
0.42 to 0.49
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 97.3
98.3 to 98.8
Manganese (Mn), % 0.6 to 0.9
0.7 to 1.0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.0 to 2.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.025
0.080 to 0.13
Vanadium (V), % 0 to 0.030
0

Comparable Variants