The 321 Stainless Steel Pipe, manufactured according to ASME SA269, is a titanium-stabilized austenitic stainless steel tube designed for superior performance in high-temperature and corrosive applications. Produced by Wuxi Korer Stainless Steel Co., Ltd., these bright annealed stainless steel pipes feature a smooth, reflective surface, excellent dimensional precision, and outstanding mechanical properties. They are widely used in industries requiring stability during long-term exposure to elevated temperatures and corrosive media.
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 17.0 - 19.0 |
| Nickel (Ni) | 9.0 - 12.0 |
| Titanium (Ti) | ≥ 5 * C% |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Parameter | Value |
|---|---|
| Standard | ASME SA269 / ASTM A269 |
| Material Grade | 321 |
| Outer Diameter | 6 - 219 mm |
| Wall Thickness | 0.5 - 6.0 mm |
| Length | Up to 12 meters |
| Surface Finish | Bright annealed / polished / pickled |
| Type | Welded or seamless stainless steel pipe |
Raw Material Inspection -> Slitting & Forming -> TIG Welding -> Bright Annealing in Controlled Atmosphere -> Straightening -> Pickling/Polishing -> Non-Destructive Testing (Eddy Current / Ultrasonic) -> Dimensional & Surface Inspection -> Packaging & Delivery.
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