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EN 1.8879 Steel vs. EN 1.1127 Steel

Both EN 1.8879 steel and EN 1.1127 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 1.8879 steel and the bottom bar is EN 1.1127 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
14 to 25
Fatigue Strength, MPa 460
280 to 370
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 510
420 to 480
Tensile Strength: Ultimate (UTS), MPa 830
660 to 790
Tensile Strength: Yield (Proof), MPa 710
410 to 580

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 26
19
Embodied Water, L/kg 54
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
90 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 1320
440 to 880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
23 to 28
Strength to Weight: Bending, points 25
22 to 24
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 24
21 to 25

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0.34 to 0.42
Chromium (Cr), % 0 to 1.5
0 to 0.4
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
96.6 to 98.1
Manganese (Mn), % 0 to 1.7
1.4 to 1.7
Molybdenum (Mo), % 0 to 0.7
0 to 0.1
Nickel (Ni), % 0 to 2.5
0 to 0.4
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.8
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.035
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0