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AISI 205 Stainless Steel vs. EN 2.4951 Nickel

AISI 205 stainless steel belongs to the iron alloys classification, while EN 2.4951 nickel belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 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 AISI 205 stainless steel and the bottom bar is EN 2.4951 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 51
34
Fatigue Strength, MPa 410 to 640
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
76
Shear Strength, MPa 560 to 850
500
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
750
Tensile Strength: Yield (Proof), MPa 450 to 1100
270

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 880
1150
Melting Completion (Liquidus), °C 1380
1360
Melting Onset (Solidus), °C 1340
1310
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
60
Density, g/cm3 7.6
8.5
Embodied Carbon, kg CO2/kg material 2.6
9.3
Embodied Energy, MJ/kg 37
130
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
200
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 29 to 52
25
Strength to Weight: Bending, points 25 to 37
22
Thermal Shock Resistance, points 16 to 29
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.12 to 0.25
0.080 to 0.15
Chromium (Cr), % 16.5 to 18.5
18 to 21
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 62.6 to 68.1
0 to 5.0
Manganese (Mn), % 14 to 15.5
0 to 1.0
Nickel (Ni), % 1.0 to 1.7
65.4 to 81.7
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.6