|
| Brand Name: | KORER |
| Model Number: | OD: 6mm – 400mm , WT:0.3mm – 10mm |
| MOQ: | 1 Metric Tons Per Size |
| Price: | Negotiable |
| Payment Terms: | T/T L/C |
| Supply Ability: | 10000 Metric Tons Per Year |
The EN 10217-7 1.4541 Welded Stainless Steel Tube is a stabilized austenitic stainless steel product that offers outstanding resistance to oxidation, scaling, and intergranular corrosion. Also known as Grade 321, it contains titanium as a stabilizing element, which enhances structural stability at elevated temperatures. Manufactured by Wuxi Korer Stainless Steel Co., Ltd., these welded tubes are ideal for applications requiring long-term reliability, excellent formability, and superior performance under thermal stress.
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 17.0 - 19.0 |
| Nickel (Ni) | 9.0 - 12.0 |
| Titanium (Ti) | ≥ 5 * C - 0.8 |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Parameter | Value |
|---|---|
| Standard | EN 10217-7 / DIN 17457 |
| Grade | 1.4541 (AISI 321) |
| Outer Diameter | 6 - 219 mm |
| Wall Thickness | 0.5 - 6.0 mm |
| Length | Up to 12 meters |
| Surface Finish | Bright annealed / pickled / polished |
| Type | Welded stainless steel tube |
Raw Material Inspection → Forming → TIG/Plasma Welding → Heat Treatment (Bright Annealing) → Straightening → Pickling or Polishing → Non-Destructive Testing (Eddy Current / Ultrasonic) → Dimensional Inspection → Marking and Packaging.
| Industry | Applications | Industry | Applications |
| Thermal Power Station | Condensers | Paper / Pulp | Industrial Equipments |
| Nuclear Power Station | Condensers | Engineering | Machineries Instrumentation Tubing |
| Chemical | Heat Exchanger, Pressure Vessels | Sugar | Evaporators, Condensers, Driers |
| Petrochemical Industry | Condensers, Heat Exchanger | Automobiles | Muffler Tubes, Hydraulic Tubing, Exhaust Pipes, Bracket Tubes |
| Refineries | General Piping | Architectural Construction | Construction |
| Fertilizers | Pressure Vessels | Pharmaceuticals, Diary, Food, Beverages | Machineries Process Piping |
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