Shanxi Zhongcheng Metal Co., Ltd.
| Standard | ASTM A249 / A688 |
| Length | 6 m (random or cut lengths) |
| Material Grade | 321 |
| Supply Ability | 10,000 tons per month |
| Wall Thickness | 1.65 mm |
| Outer Diameter | 31.75 mm |
| Packaging Details | Plastic end caps, bundles secured by steel strips or export wooden crates |
| Surface Finish | Annealed, bright or pickled |
| Payment Terms | T/T, D/P, D/A, Western Union, PayPal |
| Delivery Time | 15-25 days |
| Ends | Plain ends |
| Certification | ISO 9001:2015, SGS, BV |
| Model Number | 321-HX-31.75x1.65-A249 |
| Brand Name | Baosteel / TISCO / ZPSS |
| Place of Origin | China |
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Product Specification
| Standard | ASTM A249 / A688 | Length | 6 m (random or cut lengths) |
| Material Grade | 321 | Supply Ability | 10,000 tons per month |
| Wall Thickness | 1.65 mm | Outer Diameter | 31.75 mm |
| Packaging Details | Plastic end caps, bundles secured by steel strips or export wooden crates | Surface Finish | Annealed, bright or pickled |
| Payment Terms | T/T, D/P, D/A, Western Union, PayPal | Delivery Time | 15-25 days |
| Ends | Plain ends | Certification | ISO 9001:2015, SGS, BV |
| Model Number | 321-HX-31.75x1.65-A249 | Brand Name | Baosteel / TISCO / ZPSS |
| Place of Origin | China | ||
| High Light | 321 stainless steel heat exchanger tube ，ASTM A249 annealed pickled tube ，31.75mm OD stainless steel tube | ||
321 stainless steel heat exchanger tube manufactured to ASTM A249 / A688, with outer diameter 31.75 mm and wall thickness 1.65 mm. Grade 321 is stabilized with titanium to prevent chromium carbide precipitation at high temperatures, providing dependable strength and corrosion resistance for continuous service up to 870°C. A titanium-stabilized exchanger tube for hot-side heat transfer, resisting sensitization and scaling in refinery and petrochemical exchangers.
Every pipe is produced under strict quality control, with full traceability from the raw coil or billet to the finished tube. Mill test certificates, chemical composition reports and mechanical property data are available with every shipment, and third-party inspection by SGS, BV or TUV can be arranged upon request.
| Parameter | Details |
|---|---|
| Material Grade | 321 |
| Manufacturing Standard | ASTM A249 / A688 |
| Outer Diameter (OD) | 31.75 mm |
| Wall Thickness (WT) | 1.65 mm |
| Length | 6 m (random or cut lengths) |
| Surface Finish | Annealed, bright or pickled |
| End Finish | Plain ends |
| Packaging | Plastic end caps, bundles secured by steel strips or export wooden crates |
This 321 stainless steel heat exchanger tube is widely used in the following fields:
Custom sizes and non-standard specifications are available on request. Contact us for a quotation with your required OD, wall thickness and quantity, and our team will reply within 24 hours.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Zhongcheng Metal: A professional supplier of stainless steel tubes and plates. We export to 11 countries, including Germany, the United States, the United Kingdom, and Japan. By adopting advanced manufacturing processes and implementing comprehensive 5S management across our operations, we provide... Zhongcheng Metal: A professional supplier of stainless steel tubes and plates. We export to 11 countries, including Germany, the United States, the United Kingdom, and Japan. By adopting advanced manufacturing processes and implementing comprehensive 5S management across our operations, we provide...
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