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EN 1.7386 Steel vs. EN 1.8527 Steel

Both EN 1.7386 steel and EN 1.8527 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 1.7386 steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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