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EN 1.3553 Steel vs. SAE-AISI A9 Steel

Both EN 1.3553 steel and SAE-AISI A9 steel are iron alloys. They have 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 A9 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
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1570
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
35
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
7.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.5
4.7
Embodied Energy, MJ/kg 130
70
Embodied Water, L/kg 96
82

Common Calculations

PREN (Pitting Resistance) 31
10
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
28 to 73
Strength to Weight: Bending, points 21
24 to 46
Thermal Diffusivity, mm2/s 6.4
9.6
Thermal Shock Resistance, points 21
25 to 66

Alloy Composition

Carbon (C), % 0.78 to 0.86
0.45 to 0.55
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
87 to 90.5
Manganese (Mn), % 0 to 0.4
0 to 0.5
Molybdenum (Mo), % 4.7 to 5.2
1.3 to 1.8
Nickel (Ni), % 0
1.3 to 1.8
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
1.0 to 1.2
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
0.8 to 1.4