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EN 1.8515 Steel vs. EN 1.3539 Steel

Both EN 1.8515 steel and EN 1.3539 steel are iron alloys. Their average alloy composition is basically identical. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.8515 steel and the bottom bar is EN 1.3539 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 1130
670

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 470
450
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 40
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
3.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.7
Embodied Energy, MJ/kg 22
22
Embodied Water, L/kg 60
57

Common Calculations

PREN (Pitting Resistance) 4.4
3.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 31
22
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 33
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.28 to 0.35
0.93 to 1.1
Chromium (Cr), % 2.8 to 3.3
1.8 to 2.1
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 94.7 to 96.5
95.2 to 96.5
Manganese (Mn), % 0.4 to 0.7
0.8 to 1.1
Molybdenum (Mo), % 0.3 to 0.5
0.5 to 0.6
Nickel (Ni), % 0 to 0.3
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.4 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.030