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Grade 350 Maraging Steel vs. EN 1.0303 Steel

Both grade 350 maraging steel and EN 1.0303 steel are iron alloys. They have 63% of their average alloy composition in common. 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 grade 350 maraging steel and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.1 to 18
12 to 25
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 710 to 1400
220 to 260
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
290 to 410
Tensile Strength: Yield (Proof), MPa 830 to 2300
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 39
1.8
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 5.6
1.4
Embodied Energy, MJ/kg 74
18
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
30 to 94
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 38 to 82
10 to 15
Strength to Weight: Bending, points 29 to 49
12 to 16
Thermal Shock Resistance, points 35 to 74
9.2 to 13

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0.020 to 0.060
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.020 to 0.060
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
99.335 to 99.71
Manganese (Mn), % 0 to 0.1
0.25 to 0.4
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 18 to 19
0
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.1
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