SS 321 Stainless Steel Channels
Precision Alloys is a premier manufacturer and exporter of SS 321 stainless steel channels, offering heat-resistant, weld-stabilized structural profiles built for thermal processing, aerospace, and chemical industries. Manufactured to global standards like ASTM A276, ASME SA276, and EN 10088, SS 321 channels are the go-to solution for high-temperature and welded applications.
What are SS 321 Stainless Steel Channels?
SS 321 stainless steel channels are titanium-stabilized austenitic stainless steel profiles designed to prevent intergranular corrosion during welding or prolonged high-temperature exposure. With similar composition to SS 304 but enhanced by titanium, SS 321 channels are ideal for use in environments where resistance to oxidation, scaling, and carbide precipitation is crucial.
These channels are available in U-Channel, C-Channel, and custom profiles for precision applications in heat-intensive and cyclic operations.
SS 321 Stainless Steel Channels Specifications
| Property | Specification |
|---|---|
| Material Grade | SS 321 |
| UNS Number | S32100 |
| EN / WNR | 1.4541 / X6CrNiTi18-10 |
| Channel Types | U-Channel, C-Channel, Fabricated Profiles |
| Sizes | Up to 300 mm web height (custom options available) |
| Thickness | 3 mm – 12 mm |
| Length | 3m, 6m, or custom lengths |
| Surface Finishes | HRAP, No. 1, 2B, No. 4, Polished |
| Standards | ASTM A276, ASME SA276, EN 10088, DIN 1.4541 |
Chemical Composition – SS 321 Stainless Steel Channels
| Element | % Composition |
|---|---|
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Chromium (Cr) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 12.0 |
| Titanium (Ti) | ≥ 5x C (%) |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
Mechanical Properties – SS 321 Stainless Steel Channels
| Property | Value |
|---|---|
| Tensile Strength | 515 – 690 MPa |
| Yield Strength | 205 MPa min |
| Elongation | 40% min |
| Hardness | ≤ 90 HRB |
| Working Temp | Up to 900°C (1650°F) |
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