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EN 1.3553 Steel vs. SAE-AISI A8 Steel

Both EN 1.3553 steel and SAE-AISI A8 steel are iron alloys. They have a moderately high 90% 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 EN 1.3553 steel and the bottom bar is SAE-AISI A8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 720
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1620
1480
Melting Onset (Solidus), °C 1570
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
37
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 11
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
8.5
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.5
2.3
Embodied Energy, MJ/kg 130
31
Embodied Water, L/kg 96
73

Common Calculations

PREN (Pitting Resistance) 31
12
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
25 to 68
Strength to Weight: Bending, points 21
22 to 44
Thermal Diffusivity, mm2/s 6.4
9.9
Thermal Shock Resistance, points 21
22 to 62

Alloy Composition

Carbon (C), % 0.78 to 0.86
0.5 to 0.6
Chromium (Cr), % 3.9 to 4.3
4.8 to 5.5
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 80.7 to 83.7
88.5 to 91.9
Manganese (Mn), % 0 to 0.4
0 to 0.5
Molybdenum (Mo), % 4.7 to 5.2
1.2 to 1.7
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0.75 to 1.1
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 6.0 to 6.7
1.0 to 1.5
Vanadium (V), % 1.7 to 2.0
0