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Grade 350 Maraging Steel vs. EN 1.3960 Stainless Steel

Both grade 350 maraging steel and EN 1.3960 stainless steel are iron alloys. They have 80% 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 grade 350 maraging steel and the bottom bar is EN 1.3960 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.1 to 18
34
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
590
Tensile Strength: Yield (Proof), MPa 830 to 2300
270

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 39
21
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 5.6
4.1
Embodied Energy, MJ/kg 74
57
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 16
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
21
Strength to Weight: Bending, points 29 to 49
20
Thermal Shock Resistance, points 35 to 74
17

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
0 to 0.030
Chromium (Cr), % 0
16.5 to 18.5
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
60.2 to 67.9
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 4.6 to 5.2
2.5 to 3.0
Nickel (Ni), % 18 to 19
13 to 15
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 1.3 to 1.6
0
Zirconium (Zr), % 0 to 0.020
0