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EN 1.8503 Steel vs. EN 1.7711 Steel

Both EN 1.8503 steel and EN 1.7711 steel are iron alloys. Their average alloy composition is basically identical. 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 1.8503 steel and the bottom bar is EN 1.7711 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
210 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
16 to 22
Fatigue Strength, MPa 600
290 to 520
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 610
440 to 570
Tensile Strength: Ultimate (UTS), MPa 1000
690 to 930
Tensile Strength: Yield (Proof), MPa 910
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
430
Melting Completion (Liquidus), °C 1470
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 7.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
3.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.3
Embodied Energy, MJ/kg 33
32
Embodied Water, L/kg 57
54

Common Calculations

PREN (Pitting Resistance) 3.7
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
130 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 2200
430 to 1690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 35
24 to 33
Strength to Weight: Bending, points 28
22 to 27
Thermal Diffusivity, mm2/s 11
8.9
Thermal Shock Resistance, points 29
24 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.3
0 to 0.015
Carbon (C), % 0.16 to 0.24
0.36 to 0.44
Chromium (Cr), % 1.2 to 1.5
0.9 to 1.2
Iron (Fe), % 95.8 to 97.5
96 to 97.5
Manganese (Mn), % 0.4 to 0.8
0.45 to 0.85
Molybdenum (Mo), % 0.65 to 0.8
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), % 0.25 to 0.35
0.25 to 0.35