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EN 1.8527 Steel vs. EN 1.6932 Steel

Both EN 1.8527 steel and EN 1.6932 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a very high 96% 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 1.6932 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
14
Fatigue Strength, MPa 520
460
Impact Strength: V-Notched Charpy, J 39
40
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 550
540
Tensile Strength: Ultimate (UTS), MPa 900
900
Tensile Strength: Yield (Proof), MPa 800
720

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 490
440
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 41
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
4.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.0
Embodied Energy, MJ/kg 23
27
Embodied Water, L/kg 66
56

Common Calculations

PREN (Pitting Resistance) 5.7
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
1370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
32
Strength to Weight: Bending, points 26
26
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 26
26

Alloy Composition

Carbon (C), % 0.040 to 0.12
0.24 to 0.32
Chromium (Cr), % 3.7 to 4.3
1.0 to 1.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.2 to 95.1
94.5 to 96.4
Manganese (Mn), % 0.85 to 1.2
0.15 to 0.4
Molybdenum (Mo), % 0.4 to 0.6
0.35 to 0.55
Nickel (Ni), % 0
1.8 to 2.1
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.035
Vanadium (V), % 0
0.050 to 0.15