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Grade 200 Maraging Steel vs. ASTM A369 Grade FP1

Both grade 200 maraging steel and ASTM A369 grade FP1 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 ASTM A369 grade FP1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.1 to 18
20
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 600 to 890
270
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
430
Tensile Strength: Yield (Proof), MPa 690 to 1490
240

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.4
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.5
1.5
Embodied Energy, MJ/kg 59
20
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
75
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 51
15
Strength to Weight: Bending, points 27 to 35
16
Thermal Shock Resistance, points 29 to 45
13

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 0.2
Cobalt (Co), % 8.0 to 9.0
0
Iron (Fe), % 67.8 to 71.8
97.8 to 99.06
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Molybdenum (Mo), % 3.0 to 3.5
0.44 to 0.65
Nickel (Ni), % 17 to 19
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.1
0.1 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.020
0