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EN 1.7216 Steel vs. ASTM Grade LC9 Steel

Both EN 1.7216 steel and ASTM grade LC9 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is ASTM grade LC9 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
22
Fatigue Strength, MPa 290 to 440
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 650 to 930
660
Tensile Strength: Yield (Proof), MPa 400 to 690
590

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 420
430
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
8.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
2.3
Embodied Energy, MJ/kg 20
31
Embodied Water, L/kg 50
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
920
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 Shock Resistance, points 19 to 27
20

Alloy Composition

Carbon (C), % 0.27 to 0.34
0 to 0.13
Chromium (Cr), % 0.8 to 1.2
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97.2 to 98.4
87.4 to 91.5
Manganese (Mn), % 0.35 to 0.6
0 to 0.9
Molybdenum (Mo), % 0.15 to 0.3
0 to 0.2
Nickel (Ni), % 0
8.5 to 10
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 0.45
Sulfur (S), % 0 to 0.035
0 to 0.045
Vanadium (V), % 0
0 to 0.030