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EN 1.5502 Steel vs. SAE-AISI A4 Steel

Both EN 1.5502 steel and SAE-AISI A4 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.5502 steel and the bottom bar is SAE-AISI A4 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 73
73
Tensile Strength: Ultimate (UTS), MPa 400 to 1380
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
40
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
3.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 19
24
Embodied Water, L/kg 47
59

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 49
25 to 73
Strength to Weight: Bending, points 15 to 35
23 to 46
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 12 to 40
23 to 67

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.15 to 0.2
1.0 to 1.1
Chromium (Cr), % 0 to 0.3
0.9 to 2.2
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 98 to 99.249
92 to 95.5
Manganese (Mn), % 0.6 to 0.9
1.8 to 2.2
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.3
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030

Comparable Variants