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ASTM A572 Steel vs. Grade 300 Maraging Steel

Both ASTM A572 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 (11, in this case) are not shown.

For each property being compared, the top bar is ASTM A572 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, % 18 to 25
6.5 to 18
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
75
Shear Strength, MPa 300 to 380
640 to 1190
Tensile Strength: Ultimate (UTS), MPa 470 to 620
1030 to 2030
Tensile Strength: Yield (Proof), MPa 330 to 510
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 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
34
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.6
5.1
Embodied Energy, MJ/kg 22
68
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
130 to 170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17 to 22
35 to 68
Strength to Weight: Bending, points 17 to 21
28 to 43
Thermal Shock Resistance, points 14 to 18
31 to 62