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EN 1.8527 Steel vs. EN 1.7386 Steel

Both EN 1.8527 steel and EN 1.7386 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.8527 steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
170 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
18 to 21
Fatigue Strength, MPa 520
170 to 290
Impact Strength: V-Notched Charpy, J 39
38
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Shear Strength, MPa 550
340 to 410
Tensile Strength: Ultimate (UTS), MPa 900
550 to 670
Tensile Strength: Yield (Proof), MPa 800
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 490
600
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
26
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
10

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.0
Embodied Energy, MJ/kg 23
28
Embodied Water, L/kg 66
88

Common Calculations

PREN (Pitting Resistance) 5.7
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
150 to 490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
20 to 24
Strength to Weight: Bending, points 26
19 to 22
Thermal Diffusivity, mm2/s 11
6.9
Thermal Shock Resistance, points 26
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.040 to 0.12
0.080 to 0.15
Chromium (Cr), % 3.7 to 4.3
8.0 to 10
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 93.2 to 95.1
86.8 to 90.5
Manganese (Mn), % 0.85 to 1.2
0.3 to 0.6
Molybdenum (Mo), % 0.4 to 0.6
0.9 to 1.1
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.25 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.010