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Grade 200 Maraging Steel vs. EN 1.3975 Stainless Steel

Both grade 200 maraging steel and EN 1.3975 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 200 maraging steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.1 to 18
27
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
660
Tensile Strength: Yield (Proof), MPa 690 to 1490
320

Thermal Properties

Latent Heat of Fusion, J/g 260
340
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 460
500
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 8.2
7.5
Embodied Carbon, kg CO2/kg material 4.5
3.3
Embodied Energy, MJ/kg 59
47
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 11
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 33 to 51
24
Strength to Weight: Bending, points 27 to 35
22
Thermal Shock Resistance, points 29 to 45
15

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 0.050
Chromium (Cr), % 0
16 to 18
Cobalt (Co), % 8.0 to 9.0
0
Iron (Fe), % 67.8 to 71.8
58.2 to 65.4
Manganese (Mn), % 0 to 0.1
7.0 to 9.0
Molybdenum (Mo), % 3.0 to 3.5
0 to 1.0
Nickel (Ni), % 17 to 19
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.1
3.5 to 4.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.020
0