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Grade 300 Maraging Steel vs. EN 1.3555 Steel

Both grade 300 maraging steel and EN 1.3555 steel are iron alloys. They have 74% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 300 maraging steel and the bottom bar is EN 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
770

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1480
1500
Melting Onset (Solidus), °C 1430
1450
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
11
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 5.1
5.6
Embodied Energy, MJ/kg 68
81
Embodied Water, L/kg 150
90

Common Calculations

PREN (Pitting Resistance) 16
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 35 to 68
27
Strength to Weight: Bending, points 28 to 43
23
Thermal Shock Resistance, points 31 to 62
22

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
0.1 to 0.15
Chromium (Cr), % 0
3.9 to 4.3
Cobalt (Co), % 8.5 to 9.5
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 65 to 68.4
85.4 to 87.7
Manganese (Mn), % 0 to 0.1
0.15 to 0.35
Molybdenum (Mo), % 4.6 to 5.2
4.0 to 4.5
Nickel (Ni), % 18 to 19
3.2 to 3.6
Phosphorus (P), % 0 to 0.010
0 to 0.015
Silicon (Si), % 0 to 0.1
0.1 to 0.25
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0.5 to 0.8
0
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
1.0 to 1.3
Zirconium (Zr), % 0 to 0.020
0