MakeItFrom.com
Menu (ESC)

EN 1.8868 Steel vs. EN 1.5680 Steel

Both EN 1.8868 steel and EN 1.5680 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.8868 steel and the bottom bar is EN 1.5680 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
23
Fatigue Strength, MPa 260
310
Impact Strength: V-Notched Charpy, J 90
71
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 350
390
Tensile Strength: Ultimate (UTS), MPa 540
620
Tensile Strength: Yield (Proof), MPa 350
440

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
420
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 48
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.9
Embodied Energy, MJ/kg 21
26
Embodied Water, L/kg 48
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 16
18

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.16
0 to 0.15
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.4 to 100
93.4 to 95
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.25
0
Nickel (Ni), % 0 to 0.5
4.8 to 5.3
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.0080
0 to 0.0050
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.060
0 to 0.050
Zirconium (Zr), % 0 to 0.050
0