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Grade 350 Maraging Steel vs. EN 1.7201 Steel

Both grade 350 maraging steel and EN 1.7201 steel are iron alloys. They have 63% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is EN 1.7201 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
73
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
430 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 39
2.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.5
Embodied Energy, MJ/kg 74
20
Embodied Water, L/kg 160
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 38 to 82
15 to 46
Strength to Weight: Bending, points 29 to 49
16 to 34
Thermal Shock Resistance, points 35 to 74
13 to 38

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
0.9 to 1.2
Cobalt (Co), % 11.5 to 12.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.2 to 64.6
96.9 to 98.3
Manganese (Mn), % 0 to 0.1
0.6 to 0.9
Molybdenum (Mo), % 4.6 to 5.2
0.15 to 0.25
Nickel (Ni), % 18 to 19
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 1.3 to 1.6
0
Zirconium (Zr), % 0 to 0.020
0