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ASTM Grade LC9 Steel vs. ASTM A204 Steel

Both ASTM grade LC9 steel and ASTM A204 steel are iron alloys. 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 ASTM grade LC9 steel and the bottom bar is ASTM A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
18 to 22
Fatigue Strength, MPa 420
200 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 660
520 to 590
Tensile Strength: Yield (Proof), MPa 590
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
410
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420 to 1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.4
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.3
1.5
Embodied Energy, MJ/kg 31
20
Embodied Water, L/kg 65
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 920
220 to 290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
18 to 21
Strength to Weight: Bending, points 21
18 to 20
Thermal Shock Resistance, points 20
15 to 17