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Grade 200 Maraging Steel vs. SAE-AISI 1345 Steel

Both grade 200 maraging steel and SAE-AISI 1345 steel are iron alloys. They have 70% of their average alloy composition in common. There are 24 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 200 maraging steel and the bottom bar is SAE-AISI 1345 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.1 to 18
11 to 23
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 74
72
Shear Strength, MPa 600 to 890
370 to 440
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
590 to 730
Tensile Strength: Yield (Proof), MPa 690 to 1490
330 to 620

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.9
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.4
Embodied Energy, MJ/kg 59
19
Embodied Water, L/kg 140
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
78 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
290 to 1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 51
21 to 26
Strength to Weight: Bending, points 27 to 35
20 to 23
Thermal Shock Resistance, points 29 to 45
19 to 23

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
0.43 to 0.48
Cobalt (Co), % 8.0 to 9.0
0
Iron (Fe), % 67.8 to 71.8
97.2 to 97.8
Manganese (Mn), % 0 to 0.1
1.6 to 1.9
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 17 to 19
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants