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EN 1.1221 Steel vs. EN 1.8946 Steel

Both EN 1.1221 steel and EN 1.8946 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 (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is EN 1.8946 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 21
16
Fatigue Strength, MPa 240 to 340
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 450 to 520
350
Tensile Strength: Ultimate (UTS), MPa 730 to 870
580
Tensile Strength: Yield (Proof), MPa 390 to 550
390

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 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
43
Thermal Expansion, µm/m-K 12
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
2.7
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 47
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
82
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
410
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 31
20
Strength to Weight: Bending, points 23 to 26
20
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 23 to 28
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0.57 to 0.65
0 to 0.15
Chromium (Cr), % 0 to 0.4
0.25 to 1.4
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 97.1 to 98.8
94.8 to 99.5
Manganese (Mn), % 0.6 to 0.9
0 to 1.1
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0 to 0.7
Niobium (Nb), % 0
0 to 0.065
Phosphorus (P), % 0 to 0.035
0.050 to 0.16
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.035
0 to 0.035
Titanium (Ti), % 0
0 to 0.12
Vanadium (V), % 0
0 to 0.14