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EN 1.3505 Steel vs. SAE-AISI A4 Steel

Both EN 1.3505 steel and SAE-AISI A4 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.3505 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 72
73
Tensile Strength: Ultimate (UTS), MPa 600 to 690
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
40
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
3.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.8
Embodied Energy, MJ/kg 20
24
Embodied Water, L/kg 52
59

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
25 to 73
Strength to Weight: Bending, points 20 to 22
23 to 46
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 18 to 20
23 to 67

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
1.0 to 1.1
Chromium (Cr), % 1.4 to 1.6
0.9 to 2.2
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 97.1 to 98.3
92 to 95.5
Manganese (Mn), % 0.25 to 0.45
1.8 to 2.2
Molybdenum (Mo), % 0 to 0.1
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030