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Grade 350 Maraging Steel vs. ASTM A182 Grade F122

Both grade 350 maraging steel and ASTM A182 grade F122 are iron alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is ASTM A182 grade F122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.1 to 18
23
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 710 to 1400
450
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
710
Tensile Strength: Yield (Proof), MPa 830 to 2300
450

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1470
1490
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 39
12
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 5.6
3.0
Embodied Energy, MJ/kg 74
44
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 16
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 38 to 82
25
Strength to Weight: Bending, points 29 to 49
22
Thermal Shock Resistance, points 35 to 74
19

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0 to 0.020
Boron (B), % 0 to 0.0030
0 to 0.0050
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.070 to 0.14
Chromium (Cr), % 0
10 to 11.5
Cobalt (Co), % 11.5 to 12.5
0
Copper (Cu), % 0
0.3 to 1.7
Iron (Fe), % 61.2 to 64.6
81.3 to 87.7
Manganese (Mn), % 0 to 0.1
0 to 0.7
Molybdenum (Mo), % 4.6 to 5.2
0.25 to 0.6
Nickel (Ni), % 18 to 19
0 to 0.5
Niobium (Nb), % 0
0.040 to 0.1
Nitrogen (N), % 0
0.040 to 0.1
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 1.3 to 1.6
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5
Vanadium (V), % 0
0.15 to 0.3
Zirconium (Zr), % 0 to 0.020
0 to 0.010