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EN 1.7216 Steel vs. EN 1.8516 Steel

Both EN 1.7216 steel and EN 1.8516 steel are iron alloys. They have a very high 97% 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 1.7216 steel and the bottom bar is EN 1.8516 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
330
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 23
11
Fatigue Strength, MPa 290 to 440
570
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 410 to 560
660
Tensile Strength: Ultimate (UTS), MPa 650 to 930
1100
Tensile Strength: Yield (Proof), MPa 400 to 690
910

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 420
470
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
39
Thermal Expansion, µm/m-K 13
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 2.4
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
22
Embodied Water, L/kg 50
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
2190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 33
39
Strength to Weight: Bending, points 21 to 27
30
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 19 to 27
32

Alloy Composition

Carbon (C), % 0.27 to 0.34
0.2 to 0.27
Chromium (Cr), % 0.8 to 1.2
3.0 to 3.5
Iron (Fe), % 97.2 to 98.4
94.6 to 96.1
Manganese (Mn), % 0.35 to 0.6
0.4 to 0.7
Molybdenum (Mo), % 0.15 to 0.3
0.5 to 0.7
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.035