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Grade 300 Maraging Steel vs. AWS E330

Both grade 300 maraging steel and AWS E330 are iron alloys. They have 65% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 300 maraging steel and the bottom bar is AWS E330.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.5 to 18
29
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
580

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1430
1350
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 5.1
5.4
Embodied Energy, MJ/kg 68
75
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 16
17
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 35 to 68
20
Strength to Weight: Bending, points 28 to 43
19
Thermal Shock Resistance, points 31 to 62
16

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.18 to 0.25
Chromium (Cr), % 0
14 to 17
Cobalt (Co), % 8.5 to 9.5
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 65 to 68.4
40.7 to 51.8
Manganese (Mn), % 0 to 0.1
1.0 to 2.5
Molybdenum (Mo), % 4.6 to 5.2
0 to 0.75
Nickel (Ni), % 18 to 19
33 to 37
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.5 to 0.8
0
Zirconium (Zr), % 0 to 0.020
0