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EN 1.8509 Steel vs. EN 1.0571 Steel

Both EN 1.8509 steel and EN 1.0571 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8509 steel and the bottom bar is EN 1.0571 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
23
Fatigue Strength, MPa 580
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 680
350
Tensile Strength: Ultimate (UTS), MPa 1130
550
Tensile Strength: Yield (Proof), MPa 940
310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
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 39
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.6
Embodied Energy, MJ/kg 22
21
Embodied Water, L/kg 65
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
19
Strength to Weight: Bending, points 31
19
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 33
17

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0 to 0.060
Carbon (C), % 0.38 to 0.45
0 to 0.2
Chromium (Cr), % 1.5 to 1.8
0 to 0.3
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 95.5 to 97.1
96.5 to 99
Manganese (Mn), % 0.4 to 0.7
0.9 to 1.7
Molybdenum (Mo), % 0.2 to 0.35
0 to 0.080
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.1 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.015
Vanadium (V), % 0
0 to 0.1