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EN 1.7367 Steel vs. EN 1.7221 Steel

Both EN 1.7367 steel and EN 1.7221 steel are iron alloys. They have a moderately high 91% 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 1.7367 steel and the bottom bar is EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
11 to 17
Fatigue Strength, MPa 310
290 to 390
Impact Strength: V-Notched Charpy, J 31
20 to 38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 670
650 to 780
Tensile Strength: Yield (Proof), MPa 460
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
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 26
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 37
20
Embodied Water, L/kg 88
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 560
490 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23 to 27
Strength to Weight: Bending, points 22
21 to 24
Thermal Diffusivity, mm2/s 6.9
12
Thermal Shock Resistance, points 19
19 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0.22 to 0.29
Chromium (Cr), % 8.0 to 9.5
0.8 to 1.2
Iron (Fe), % 87.3 to 90.3
96.8 to 98.3
Manganese (Mn), % 0.3 to 0.6
0.5 to 0.8
Molybdenum (Mo), % 0.85 to 1.1
0.15 to 0.3
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0