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Annealed AISI 205 vs. Annealed 350 Maraging Steel

Both annealed AISI 205 and annealed 350 maraging steel are iron alloys. Both are furnished in the annealed condition. They have 64% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is annealed AISI 205 and the bottom bar is annealed 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
18
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
75
Shear Strength, MPa 560
710
Tensile Strength: Ultimate (UTS), MPa 800
1140
Tensile Strength: Yield (Proof), MPa 450
830

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
39
Density, g/cm3 7.6
8.2
Embodied Carbon, kg CO2/kg material 2.6
5.6
Embodied Energy, MJ/kg 37
74
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 23
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
190
Resilience: Unit (Modulus of Resilience), kJ/m3 510
1770
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 29
38
Strength to Weight: Bending, points 25
29
Thermal Shock Resistance, points 16
35

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0.12 to 0.25
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
0
Cobalt (Co), % 0
11.5 to 12.5
Iron (Fe), % 62.6 to 68.1
61.2 to 64.6
Manganese (Mn), % 14 to 15.5
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 1.0 to 1.7
18 to 19
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.3 to 1.6
Zirconium (Zr), % 0
0 to 0.020