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SAE-AISI 1552 Steel vs. EN 1.6771 Steel

Both SAE-AISI 1552 steel and EN 1.6771 steel are iron alloys. They have a moderately high 95% 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 SAE-AISI 1552 steel and the bottom bar is EN 1.6771 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
280 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
8.0 to 8.7
Fatigue Strength, MPa 290 to 400
440 to 680
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 760 to 840
930 to 1180
Tensile Strength: Yield (Proof), MPa 460 to 650
740 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
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 51
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
25
Embodied Water, L/kg 47
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
75 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
1460 to 3450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 30
33 to 41
Strength to Weight: Bending, points 24 to 25
27 to 31
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 26 to 29
27 to 35

Alloy Composition

Carbon (C), % 0.47 to 0.55
0.27 to 0.33
Chromium (Cr), % 0
0.8 to 1.2
Iron (Fe), % 97.9 to 98.3
92.2 to 95
Manganese (Mn), % 1.2 to 1.5
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
3.0 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0 to 0.050
0 to 0.020

Comparable Variants