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EN 1.6570 Steel vs. EN 1.8868 Steel

Both EN 1.6570 steel and EN 1.8868 steel are iron alloys. 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 1.6570 steel and the bottom bar is EN 1.8868 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 340
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
25
Fatigue Strength, MPa 500 to 660
260
Impact Strength: V-Notched Charpy, J 40 to 48
90
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
540
Tensile Strength: Yield (Proof), MPa 760 to 1060
350

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
410
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 40
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
2.4
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.6
Embodied Energy, MJ/kg 23
21
Embodied Water, L/kg 56
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32 to 40
19
Strength to Weight: Bending, points 27 to 31
19
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 27 to 33
16

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.28 to 0.35
0 to 0.16
Chromium (Cr), % 1.0 to 1.4
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 94 to 96.2
96.4 to 100
Manganese (Mn), % 0.6 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.3 to 0.5
0 to 0.25
Nickel (Ni), % 1.6 to 2.1
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.0080
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.060
Zirconium (Zr), % 0
0 to 0.050