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ASTM A302 Alloy Steel vs. ASTM Grade LCC Steel

Both ASTM A302 alloy steel and ASTM grade LCC steel are iron alloys. There are 30 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 ASTM A302 alloy steel and the bottom bar is ASTM grade LCC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 23
25
Fatigue Strength, MPa 250 to 280
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 590 to 620
570
Tensile Strength: Yield (Proof), MPa 350 to 390
310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39 to 51
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
1.8
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
1.4
Embodied Energy, MJ/kg 20 to 21
18
Embodied Water, L/kg 48 to 50
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 22
20
Strength to Weight: Bending, points 20 to 21
20
Thermal Diffusivity, mm2/s 10 to 14
13
Thermal Shock Resistance, points 17 to 18
17