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EN 1.4612 Stainless Steel vs. Grade 250 Maraging Steel

Both EN 1.4612 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4612 stainless 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
7.3 to 17
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
75
Shear Strength, MPa 1010 to 1110
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 1690 to 1850
970 to 1800
Tensile Strength: Yield (Proof), MPa 1570 to 1730
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 16
32
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 3.6
4.9
Embodied Energy, MJ/kg 50
65
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 19
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 210
130 to 150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 60 to 65
33 to 61
Strength to Weight: Bending, points 40 to 43
26 to 40
Thermal Shock Resistance, points 58 to 63
29 to 54

Alloy Composition

Aluminum (Al), % 1.4 to 1.8
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 11 to 12.5
0
Cobalt (Co), % 0
7.0 to 8.5
Iron (Fe), % 71.5 to 75.5
66.3 to 71.1
Manganese (Mn), % 0 to 0.1
0 to 0.1
Molybdenum (Mo), % 1.8 to 2.3
4.6 to 5.2
Nickel (Ni), % 10.2 to 11.3
17 to 19
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0 to 0.0050
0 to 0.010
Titanium (Ti), % 0.2 to 0.5
0.3 to 0.5
Zirconium (Zr), % 0
0 to 0.020