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EN 1.8867 Steel vs. EN 1.8874 Steel

Both EN 1.8867 steel and EN 1.8874 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.8867 steel and the bottom bar is EN 1.8874 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
19
Fatigue Strength, MPa 260
340
Impact Strength: V-Notched Charpy, J 68
68
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 350
410
Tensile Strength: Ultimate (UTS), MPa 540
660
Tensile Strength: Yield (Proof), MPa 360
500

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
39
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
3.2
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.8
Embodied Energy, MJ/kg 21
24
Embodied Water, L/kg 48
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 340
670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 16
19

Alloy Composition

Boron (B), % 0 to 0.0050
0 to 0.0050
Carbon (C), % 0 to 0.16
0 to 0.18
Chromium (Cr), % 0 to 0.3
0 to 1.0
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 96.3 to 100
93.6 to 100
Manganese (Mn), % 0 to 1.5
0 to 1.7
Molybdenum (Mo), % 0 to 0.25
0 to 0.7
Nickel (Ni), % 0 to 0.5
0 to 1.5
Niobium (Nb), % 0 to 0.050
0 to 0.050
Nitrogen (N), % 0 to 0.015
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0 to 0.030
0 to 0.050
Vanadium (V), % 0 to 0.060
0 to 0.080
Zirconium (Zr), % 0 to 0.050
0 to 0.15