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EN 1.8505 Steel vs. EN 1.6570 Steel

Both EN 1.8505 steel and EN 1.6570 steel are iron alloys. They have a very high 98% 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 1.8505 steel and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
270 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
11 to 17
Fatigue Strength, MPa 540
500 to 660
Impact Strength: V-Notched Charpy, J 28
40 to 48
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 1050
910 to 1130
Tensile Strength: Yield (Proof), MPa 860
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
440
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
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.7
Embodied Energy, MJ/kg 22
23
Embodied Water, L/kg 65
56

Common Calculations

PREN (Pitting Resistance) 2.6
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
1520 to 3010
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
32 to 40
Strength to Weight: Bending, points 30
27 to 31
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 31
27 to 33

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.28 to 0.35
Chromium (Cr), % 1.5 to 1.8
1.0 to 1.4
Iron (Fe), % 95.4 to 97.1
94 to 96.2
Manganese (Mn), % 0.4 to 0.7
0.6 to 1.0
Molybdenum (Mo), % 0.2 to 0.4
0.3 to 0.5
Nickel (Ni), % 0
1.6 to 2.1
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.015