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EN 1.8505 Steel vs. EN 1.7216 Steel

Both EN 1.8505 steel and EN 1.7216 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8505 steel and the bottom bar is EN 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
12 to 23
Fatigue Strength, MPa 540
290 to 440
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 630
410 to 560
Tensile Strength: Ultimate (UTS), MPa 1050
650 to 930
Tensile Strength: Yield (Proof), MPa 860
400 to 690

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 22
20
Embodied Water, L/kg 65
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
430 to 1280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
23 to 33
Strength to Weight: Bending, points 30
21 to 27
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 31
19 to 27

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.27 to 0.34
Chromium (Cr), % 1.5 to 1.8
0.8 to 1.2
Iron (Fe), % 95.4 to 97.1
97.2 to 98.4
Manganese (Mn), % 0.4 to 0.7
0.35 to 0.6
Molybdenum (Mo), % 0.2 to 0.4
0.15 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.035