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EN 1.1127 Steel vs. EN 1.8902 Steel

Both EN 1.1127 steel and EN 1.8902 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.1127 steel and the bottom bar is EN 1.8902 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 230
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 25
21
Fatigue Strength, MPa 280 to 370
290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 420 to 480
380
Tensile Strength: Ultimate (UTS), MPa 660 to 790
600
Tensile Strength: Yield (Proof), MPa 410 to 580
420

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
44
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.8
Embodied Energy, MJ/kg 19
24
Embodied Water, L/kg 49
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 880
470
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 28
21
Strength to Weight: Bending, points 22 to 24
20
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 21 to 25
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0.34 to 0.42
0 to 0.22
Chromium (Cr), % 0 to 0.4
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 96.6 to 98.1
95 to 99.05
Manganese (Mn), % 1.4 to 1.7
1.0 to 1.8
Molybdenum (Mo), % 0 to 0.1
0 to 0.13
Nickel (Ni), % 0 to 0.4
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0 to 0.65
Sulfur (S), % 0 to 0.035
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.22