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SAE-AISI 1552 Steel vs. EN 1.7701 Steel

Both SAE-AISI 1552 steel and EN 1.7701 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 1.7701 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 760 to 840
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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
44
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
26
Embodied Water, L/kg 47
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 30
24 to 71
Strength to Weight: Bending, points 24 to 25
22 to 45
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 26 to 29
20 to 59

Alloy Composition

Carbon (C), % 0.47 to 0.55
0.48 to 0.56
Chromium (Cr), % 0
0.9 to 1.2
Iron (Fe), % 97.9 to 98.3
96.2 to 97.7
Manganese (Mn), % 1.2 to 1.5
0.7 to 1.1
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.025
Vanadium (V), % 0
0.1 to 0.2