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Grade 200 Maraging Steel vs. EN 1.4971 Stainless Steel

Both grade 200 maraging steel and EN 1.4971 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 9.1 to 18
34
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 74
81
Shear Strength, MPa 600 to 890
530
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
800
Tensile Strength: Yield (Proof), MPa 690 to 1490
340

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 31
70
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 4.5
7.6
Embodied Energy, MJ/kg 59
110
Embodied Water, L/kg 140
300

Common Calculations

PREN (Pitting Resistance) 11
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 51
26
Strength to Weight: Bending, points 27 to 35
23
Thermal Shock Resistance, points 29 to 45
19

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
0.080 to 0.16
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 8.0 to 9.0
18.5 to 21
Iron (Fe), % 67.8 to 71.8
24.3 to 37.1
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 3.0 to 3.5
2.5 to 3.5
Nickel (Ni), % 17 to 19
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
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 0.015
Titanium (Ti), % 0.15 to 0.25
0
Tungsten (W), % 0
2.0 to 3.0
Zirconium (Zr), % 0 to 0.020
0