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EN 1.8527 Steel vs. EN 1.7711 Steel

Both EN 1.8527 steel and EN 1.7711 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 1.8527 steel and the bottom bar is EN 1.7711 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
210 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
16 to 22
Fatigue Strength, MPa 520
290 to 520
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 550
440 to 570
Tensile Strength: Ultimate (UTS), MPa 900
690 to 930
Tensile Strength: Yield (Proof), MPa 800
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 490
430
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
33
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
3.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.3
Embodied Energy, MJ/kg 23
32
Embodied Water, L/kg 66
54

Common Calculations

PREN (Pitting Resistance) 5.7
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
430 to 1690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
24 to 33
Strength to Weight: Bending, points 26
22 to 27
Thermal Diffusivity, mm2/s 11
8.9
Thermal Shock Resistance, points 26
24 to 32

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0.040 to 0.12
0.36 to 0.44
Chromium (Cr), % 3.7 to 4.3
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.2 to 95.1
96 to 97.5
Manganese (Mn), % 0.85 to 1.2
0.45 to 0.85
Molybdenum (Mo), % 0.4 to 0.6
0.5 to 0.65
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35