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EN 1.3518 Steel vs. EN 1.7033 Steel

Both EN 1.3518 steel and EN 1.7033 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.3518 steel and the bottom bar is EN 1.7033 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150 to 240
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 630
500 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 43
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 51
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
18 to 61
Strength to Weight: Bending, points 21
18 to 41
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 19
15 to 50

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0.3 to 0.37
Chromium (Cr), % 0.9 to 1.2
0.9 to 1.2
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.3 to 97.8
97.1 to 98.2
Manganese (Mn), % 0.9 to 1.2
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.1
0
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.45 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035