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Grade 250 Maraging Steel vs. SAE-AISI P5 Steel

Both grade 250 maraging steel and SAE-AISI P5 steel are iron alloys. They have 69% of their average alloy composition in common. There are 20 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 250 maraging steel and the bottom bar is SAE-AISI P5 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 970 to 1800
370 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 32
2.8
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.9
1.5
Embodied Energy, MJ/kg 65
20
Embodied Water, L/kg 140
56

Common Calculations

PREN (Pitting Resistance) 16
2.3
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 61
13 to 70
Strength to Weight: Bending, points 26 to 40
15 to 45
Thermal Shock Resistance, points 29 to 54
12 to 65

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 to 0.1
Chromium (Cr), % 0
2.0 to 2.5
Cobalt (Co), % 7.0 to 8.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 66.3 to 71.1
95.7 to 97.8
Manganese (Mn), % 0 to 0.1
0.2 to 0.6
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 17 to 19
0 to 0.35
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.3 to 0.5
0
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants