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EN 1.1133 Steel vs. EN 1.8825 Steel

Both EN 1.1133 steel and EN 1.8825 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.1133 steel and the bottom bar is EN 1.8825 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19 to 24
22
Fatigue Strength, MPa 230 to 310
290
Impact Strength: V-Notched Charpy, J 45 to 48
58
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370 to 380
360
Tensile Strength: Ultimate (UTS), MPa 580 to 620
570
Tensile Strength: Yield (Proof), MPa 320 to 460
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 1420
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
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.6

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
1.7
Embodied Energy, MJ/kg 19
23
Embodied Water, L/kg 48
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 550
460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 22
20
Strength to Weight: Bending, points 20 to 21
19
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 18 to 19
17

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.054
Carbon (C), % 0.17 to 0.23
0 to 0.18
Chromium (Cr), % 0 to 0.4
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 96.9 to 98.8
95.1 to 99.985
Manganese (Mn), % 1.0 to 1.5
0 to 1.8
Molybdenum (Mo), % 0 to 0.1
0 to 0.23
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 to 0.4
0 to 0.55
Sulfur (S), % 0 to 0.035
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.14