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EN 1.6368 Steel vs. EN 1.6220 Steel

Both EN 1.6368 steel and EN 1.6220 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 1.6368 steel and the bottom bar is EN 1.6220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
23 to 25
Fatigue Strength, MPa 310 to 330
240 to 250
Impact Strength: V-Notched Charpy, J 43 to 46
49 to 57
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 660 to 690
550 to 580
Tensile Strength: Yield (Proof), MPa 460 to 490
340

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
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 40
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 22
19
Embodied Water, L/kg 53
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 650
300 to 310
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 24
19 to 20
Strength to Weight: Bending, points 21 to 22
19 to 20
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 20
16 to 17

Alloy Composition

Aluminum (Al), % 0.015 to 0.040
0
Carbon (C), % 0 to 0.17
0.17 to 0.23
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0.5 to 0.8
0
Iron (Fe), % 95.1 to 97.2
96.7 to 98.8
Manganese (Mn), % 0.8 to 1.2
1.0 to 1.6
Molybdenum (Mo), % 0.25 to 0.5
0
Nickel (Ni), % 1.0 to 1.3
0 to 0.8
Niobium (Nb), % 0.015 to 0.045
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.25 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030

Comparable Variants