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SAE-AISI A9 Steel vs. EN 1.3538 Steel

Both SAE-AISI A9 steel and EN 1.3538 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (2, 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 1.3538 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
670 to 740

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 35
41
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.7
1.6
Embodied Energy, MJ/kg 70
21
Embodied Water, L/kg 82
56

Common Calculations

PREN (Pitting Resistance) 10
3.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 73
24 to 26
Strength to Weight: Bending, points 24 to 46
22 to 23
Thermal Diffusivity, mm2/s 9.6
11
Thermal Shock Resistance, points 25 to 66
20 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.45 to 0.55
0.93 to 1.1
Chromium (Cr), % 4.8 to 5.5
1.7 to 2.0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 87 to 90.5
96 to 97.2
Manganese (Mn), % 0 to 0.5
0.6 to 0.8
Molybdenum (Mo), % 1.3 to 1.8
0.4 to 0.5
Nickel (Ni), % 1.3 to 1.8
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 1.0 to 1.2
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.8 to 1.4
0