MakeItFrom.com
Menu (ESC)

Grade 250 Maraging Steel vs. SAE-AISI A3 Steel

Both grade 250 maraging steel and SAE-AISI A3 steel are iron alloys. They have 70% 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 A3 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
700 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 32
6.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.9
4.4
Embodied Energy, MJ/kg 65
67
Embodied Water, L/kg 140
78

Common Calculations

PREN (Pitting Resistance) 16
8.9
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 33 to 61
25 to 77
Strength to Weight: Bending, points 26 to 40
23 to 48
Thermal Shock Resistance, points 29 to 54
23 to 70

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
1.2 to 1.3
Chromium (Cr), % 0
4.8 to 5.5
Cobalt (Co), % 7.0 to 8.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 66.3 to 71.1
88.7 to 92
Manganese (Mn), % 0 to 0.1
0.4 to 0.6
Molybdenum (Mo), % 4.6 to 5.2
0.9 to 1.4
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 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.3 to 0.5
0
Vanadium (V), % 0
0.8 to 1.4
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants