Grade 2205 stainless steel is a duplex stainless steel

Chemical Composition

The chemical composition of grade 2205 stainless steel is outlined in the following table.

Element	Content (%)
Iron, Fe	63.75-71.92
Chromium, Cr	21.0-23.0
Nickel, Ni	4.50-6.50
Molybdenum, Mo	2.50-3.50
Manganese, Mn	2.0
Silicon, Si	1.0
Nitrogen, N	0.080-0.20
Carbon, C	0.030
Phosphorous, P	0.030
Sulfur, S	0.020

Physical Properties

The following table shows the physical properties of grade 2205 stainless steel.

Properties	Metric	Imperial
Density	7.82 g/cm³	0.283 lb/in³

Mechanical Properties

The mechanical properties of grade 2205 stainless steel are displayed in the following table.

Properties	Metric	Imperial
Tensile strength at break	621 MPa	90000 psi
Yield strength (@strain 0.200 %)	448 MPa	65000 psi
Elongation at break (in 50 mm)	25.0 %	25.0 %
Hardness, Brinell	293	293
Hardness, Rockwell c	31.0	31.0