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EN 1.8522 Steel vs. EN 1.7715 Steel

Both EN 1.8522 steel and EN 1.7715 steel are iron alloys. They have a very high 97% of their average alloy composition in common. 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 1.8522 steel and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 380
160
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 730 to 1250
540

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 470
420
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
2.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
2.2
Embodied Energy, MJ/kg 31
30
Embodied Water, L/kg 63
52

Common Calculations

PREN (Pitting Resistance) 6.2
2.4
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 44
19
Strength to Weight: Bending, points 23 to 33
19
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 21 to 36
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.29 to 0.36
0.1 to 0.15
Chromium (Cr), % 2.8 to 3.3
0.3 to 0.6
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 93.7 to 96
96.5 to 98.3
Manganese (Mn), % 0.4 to 0.7
0.4 to 0.7
Molybdenum (Mo), % 0.7 to 1.2
0.5 to 0.7
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.010
Vanadium (V), % 0.15 to 0.25
0.22 to 0.28