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EN 1.3518 Steel vs. EN 1.6526 Steel

Both EN 1.3518 steel and EN 1.6526 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.3518 steel and the bottom bar is EN 1.6526 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160 to 190
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
520 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 420
410
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
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
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 52
Strength to Weight: Bending, points 21
18 to 36
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 19
15 to 43

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0.17 to 0.23
Chromium (Cr), % 0.9 to 1.2
0.35 to 0.7
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 96.3 to 97.8
96.6 to 98.3
Manganese (Mn), % 0.9 to 1.2
0.65 to 1.0
Molybdenum (Mo), % 0 to 0.1
0.15 to 0.25
Nickel (Ni), % 0
0.4 to 0.7
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.45 to 0.75
0 to 0.3
Sulfur (S), % 0 to 0.030
0.020 to 0.040