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SAE-AISI A9 Steel vs. EN 1.5507 Steel

Both SAE-AISI A9 steel and EN 1.5507 steel are iron alloys. They have 90% of their average alloy composition in common. There are 23 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 A9 steel and the bottom bar is EN 1.5507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 35
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.7
1.4
Embodied Energy, MJ/kg 70
19
Embodied Water, L/kg 82
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 73
16 to 31
Strength to Weight: Bending, points 24 to 46
17 to 26
Thermal Diffusivity, mm2/s 9.6
13
Thermal Shock Resistance, points 25 to 66
13 to 26

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.080
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.45 to 0.55
0.21 to 0.25
Chromium (Cr), % 4.8 to 5.5
0.25 to 0.35
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 87 to 90.5
97.8 to 98.7
Manganese (Mn), % 0 to 0.5
0.8 to 1.0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.3 to 1.8
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 1.0 to 1.2
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0.8 to 1.4
0