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EN 1.7216 Steel vs. EN 1.6311 Steel

Both EN 1.7216 steel and EN 1.6311 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 1.7216 steel and the bottom bar is EN 1.6311 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 23
19
Fatigue Strength, MPa 290 to 440
340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 560
400
Tensile Strength: Ultimate (UTS), MPa 650 to 930
650
Tensile Strength: Yield (Proof), MPa 400 to 690
490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
410
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
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 20
22
Embodied Water, L/kg 50
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 33
23
Strength to Weight: Bending, points 21 to 27
21
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 19 to 27
19

Alloy Composition

Carbon (C), % 0.27 to 0.34
0.15 to 0.23
Chromium (Cr), % 0.8 to 1.2
0 to 0.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 97.2 to 98.4
95.9 to 98
Manganese (Mn), % 0.35 to 0.6
1.0 to 1.5
Molybdenum (Mo), % 0.15 to 0.3
0.45 to 0.6
Nickel (Ni), % 0
0.4 to 0.8
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.035
Vanadium (V), % 0
0 to 0.020