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EN 1.8874 Steel vs. EN 1.0488 Steel

Both EN 1.8874 steel and EN 1.0488 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.8874 steel and the bottom bar is EN 1.0488 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
27
Fatigue Strength, MPa 340
210
Impact Strength: V-Notched Charpy, J 68
79
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410
280
Tensile Strength: Ultimate (UTS), MPa 660
440
Tensile Strength: Yield (Proof), MPa 500
280

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
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 39
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
2.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 24
20
Embodied Water, L/kg 52
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 670
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
15
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 19
14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.024
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0 to 0.16
Chromium (Cr), % 0 to 1.0
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 93.6 to 100
96.6 to 99.38
Manganese (Mn), % 0 to 1.7
0.6 to 1.5
Molybdenum (Mo), % 0 to 0.7
0 to 0.080
Nickel (Ni), % 0 to 1.5
0 to 0.5
Niobium (Nb), % 0 to 0.050
0 to 0.050
Nitrogen (N), % 0 to 0.015
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.0080
Titanium (Ti), % 0 to 0.050
0 to 0.030
Vanadium (V), % 0 to 0.080
0 to 0.050
Zirconium (Zr), % 0 to 0.15
0