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AISI 316L Stainless Steel vs. Grade 250 Maraging Steel

Both AISI 316L stainless steel and grade 250 maraging steel are iron alloys. They have 82% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AISI 316L stainless steel and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0 to 50
7.3 to 17
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
75
Shear Strength, MPa 370 to 690
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
970 to 1800
Tensile Strength: Yield (Proof), MPa 190 to 870
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1400
1480
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
32
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 3.9
4.9
Embodied Energy, MJ/kg 53
65
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 26
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
130 to 150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19 to 41
33 to 61
Strength to Weight: Bending, points 18 to 31
26 to 40
Thermal Shock Resistance, points 12 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 to 0.030
0 to 0.030
Chromium (Cr), % 16 to 18
0
Cobalt (Co), % 0
7.0 to 8.5
Iron (Fe), % 62 to 72
66.3 to 71.1
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 2.0 to 3.0
4.6 to 5.2
Nickel (Ni), % 10 to 14
17 to 19
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 0.75
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.3 to 0.5
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants