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AISI 205 Stainless Steel vs. AWS ERNiCr-3

AISI 205 stainless steel belongs to the iron alloys classification, while AWS ERNiCr-3 belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is AWS ERNiCr-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 51
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
630

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1380
1380
Melting Onset (Solidus), °C 1340
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
70
Density, g/cm3 7.6
8.4
Embodied Carbon, kg CO2/kg material 2.6
11
Embodied Energy, MJ/kg 37
160
Embodied Water, L/kg 150
280

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 29 to 52
21
Strength to Weight: Bending, points 25 to 37
19
Thermal Shock Resistance, points 16 to 29
18

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.1
Chromium (Cr), % 16.5 to 18.5
18 to 22
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 62.6 to 68.1
0 to 3.0
Manganese (Mn), % 14 to 15.5
2.5 to 3.5
Nickel (Ni), % 1.0 to 1.7
67 to 77.5
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.75
Residuals, % 0
0 to 0.5