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EN 1.1181 Steel vs. EN 1.8967 Steel

Both EN 1.1181 steel and EN 1.8967 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.1181 steel and the bottom bar is EN 1.8967 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19 to 20
16
Fatigue Strength, MPa 190 to 260
220
Impact Strength: V-Notched Charpy, J 23 to 38
30
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 350 to 390
350
Tensile Strength: Ultimate (UTS), MPa 560 to 620
570
Tensile Strength: Yield (Proof), MPa 280 to 380
340

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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 42
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
3.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 19
25
Embodied Water, L/kg 47
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
78
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 380
300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 22
20
Strength to Weight: Bending, points 19 to 21
19
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 19 to 21
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0.32 to 0.39
0 to 0.19
Chromium (Cr), % 0 to 0.4
0.35 to 0.85
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 97.4 to 99.18
94.6 to 99
Manganese (Mn), % 0.5 to 0.8
0.45 to 1.6
Molybdenum (Mo), % 0 to 0.1
0 to 0.35
Nickel (Ni), % 0 to 0.4
0 to 0.7
Niobium (Nb), % 0
0 to 0.065
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 0.035
Titanium (Ti), % 0
0 to 0.12
Vanadium (V), % 0
0 to 0.14
Zirconium (Zr), % 0
0 to 0.17