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EN 1.8874 Steel vs. EN 1.1122 Steel

Both EN 1.8874 steel and EN 1.1122 steel are iron alloys. They have a very high 98% 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 1.8874 steel and the bottom bar is EN 1.1122 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
12 to 21
Fatigue Strength, MPa 340
170 to 260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410
240 to 290
Tensile Strength: Ultimate (UTS), MPa 660
340 to 460
Tensile Strength: Yield (Proof), MPa 500
240 to 370

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
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.8
1.4
Embodied Energy, MJ/kg 24
18
Embodied Water, L/kg 52
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
36 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 670
160 to 360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
12 to 16
Strength to Weight: Bending, points 21
14 to 17
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 19
11 to 15

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0.080 to 0.12
Chromium (Cr), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 93.6 to 100
98.7 to 99.62
Manganese (Mn), % 0 to 1.7
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 1.5
0
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.080
0
Zirconium (Zr), % 0 to 0.15
0