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EN 1.5402 Steel vs. EN 1.8515 Steel

Both EN 1.5402 steel and EN 1.8515 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.5402 steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
11
Fatigue Strength, MPa 260
580
Impact Strength: V-Notched Charpy, J 45
29
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 370
680
Tensile Strength: Ultimate (UTS), MPa 580
1130
Tensile Strength: Yield (Proof), MPa 370
940

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
470
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
3.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.6
Embodied Energy, MJ/kg 22
22
Embodied Water, L/kg 49
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 360
2310
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 17
33

Alloy Composition

Carbon (C), % 0 to 0.18
0.28 to 0.35
Chromium (Cr), % 0
2.8 to 3.3
Iron (Fe), % 97.3 to 98.7
94.7 to 96.5
Manganese (Mn), % 0.9 to 1.4
0.4 to 0.7
Molybdenum (Mo), % 0.4 to 0.6
0.3 to 0.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0.040 to 0.080
0