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SAE-AISI 1547 Steel vs. Grade 250 Maraging Steel

Both SAE-AISI 1547 steel and grade 250 maraging steel are iron alloys. They have 69% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1547 steel and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
7.3 to 17
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
75
Shear Strength, MPa 440 to 480
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 740 to 800
970 to 1800
Tensile Strength: Yield (Proof), MPa 400 to 690
660 to 1740

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
32
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
4.9
Embodied Energy, MJ/kg 19
65
Embodied Water, L/kg 47
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 110
130 to 150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26 to 28
33 to 61
Strength to Weight: Bending, points 23 to 24
26 to 40
Thermal Shock Resistance, points 23 to 25
29 to 54

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), % 0.43 to 0.51
0 to 0.030
Cobalt (Co), % 0
7.0 to 8.5
Iron (Fe), % 97.8 to 98.2
66.3 to 71.1
Manganese (Mn), % 1.4 to 1.7
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0
17 to 19
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0 to 0.050
0 to 0.010
Titanium (Ti), % 0
0.3 to 0.5
Zirconium (Zr), % 0
0 to 0.020