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EN 1.8515 Steel vs. EN 1.7362 Steel

Both EN 1.8515 steel and EN 1.7362 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.8515 steel and the bottom bar is EN 1.7362 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
21 to 22
Fatigue Strength, MPa 580
140 to 250
Impact Strength: V-Notched Charpy, J 29
38 to 46
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 680
320 to 370
Tensile Strength: Ultimate (UTS), MPa 1130
510 to 600
Tensile Strength: Yield (Proof), MPa 940
200 to 360

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 470
510
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
4.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.8
Embodied Energy, MJ/kg 22
23
Embodied Water, L/kg 60
69

Common Calculations

PREN (Pitting Resistance) 4.4
6.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 2310
100 to 340
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
18 to 21
Strength to Weight: Bending, points 31
18 to 20
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 33
14 to 17

Alloy Composition

Carbon (C), % 0.28 to 0.35
0.1 to 0.15
Chromium (Cr), % 2.8 to 3.3
4.0 to 6.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 94.7 to 96.5
91.5 to 95.2
Manganese (Mn), % 0.4 to 0.7
0.3 to 0.6
Molybdenum (Mo), % 0.3 to 0.5
0.45 to 0.65
Nickel (Ni), % 0 to 0.3
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.0050