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EN 1.8915 Steel vs. EN 1.6220 Steel

Both EN 1.8915 steel and EN 1.6220 steel are iron alloys. Their average alloy composition is basically identical. 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 1.8915 steel and the bottom bar is EN 1.6220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
23 to 25
Fatigue Strength, MPa 340
240 to 250
Impact Strength: V-Notched Charpy, J 79
49 to 57
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 640
550 to 580
Tensile Strength: Yield (Proof), MPa 490
340

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 46
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 2.5
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 24
19
Embodied Water, L/kg 51
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 640
300 to 310
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
19 to 20
Strength to Weight: Bending, points 21
19 to 20
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19
16 to 17

Alloy Composition

Aluminum (Al), % 0.020 to 0.050
0
Carbon (C), % 0 to 0.2
0.17 to 0.23
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.7
0
Iron (Fe), % 95.2 to 98.9
96.7 to 98.8
Manganese (Mn), % 1.1 to 1.7
1.0 to 1.6
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.8
0 to 0.8
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.025
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.0080
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.2
0