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ASTM A266 Carbon Steel vs. Grade 300 Maraging Steel

Both ASTM A266 carbon steel and grade 300 maraging steel are iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM A266 carbon steel and the bottom bar is grade 300 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 26
6.5 to 18
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
75
Shear Strength, MPa 320 to 380
640 to 1190
Tensile Strength: Ultimate (UTS), MPa 500 to 600
1030 to 2030
Tensile Strength: Yield (Proof), MPa 230 to 290
760 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
34
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
5.1
Embodied Energy, MJ/kg 18 to 19
68
Embodied Water, L/kg 46 to 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130 to 170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18 to 21
35 to 68
Strength to Weight: Bending, points 18 to 20
28 to 43
Thermal Shock Resistance, points 16 to 19
31 to 62