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Grade 250 Maraging Steel vs. SAE-AISI M47 Steel

Both grade 250 maraging steel and SAE-AISI M47 steel are iron alloys. They have 79% of their average alloy composition in common. There are 20 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 grade 250 maraging steel and the bottom bar is SAE-AISI M47 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1540
Melting Onset (Solidus), °C 1430
1500
Specific Heat Capacity, J/kg-K 450
450
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 32
26
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 4.9
7.4
Embodied Energy, MJ/kg 65
100
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 16
38
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 61
28 to 79
Strength to Weight: Bending, points 26 to 40
24 to 48
Thermal Shock Resistance, points 29 to 54
27 to 77

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
1.1 to 1.2
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 7.0 to 8.5
4.8 to 5.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 66.3 to 71.1
78.7 to 85
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Molybdenum (Mo), % 4.6 to 5.2
9.3 to 10
Nickel (Ni), % 17 to 19
0 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0.2 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.3 to 0.5
0
Tungsten (W), % 0
1.3 to 1.8
Vanadium (V), % 0
1.2 to 1.4
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants