Shanxi Zhongcheng Metal Co., Ltd.
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal |
| Supply Ability | 10000tons |
| Delivery Time | 15-25days |
| Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA |
| Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available |
| Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg |
| Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons |
| Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 |
| Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA |
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Product Specification
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal | Supply Ability | 10000tons |
| Delivery Time | 15-25days | Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA | Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available | Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg | Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons | Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 | Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA | ||
| High Light | 2205 Stainless Steel Precision Pipe ，Stainless Steel Precision Pipe Seamless | ||
ASTM A789 2205 duplex seamless tube is a standard specification for seamless duplex stainless steel tubes intended for general corrosion-resistant and high-strength applications. Grade 2205 (UNS S32205 / S31803) is the most widely used duplex stainless steel, offering approximately twice the yield strength of common austenitic grades like 304 or 316, combined with excellent resistance to chloride stress corrosion cracking (SCC), pitting, and crevice corrosion.
These tubes are ideal for heat exchangers, condensers, instrumentation lines, hydraulic lines, and other critical services in oil & gas, chemical processing, marine, and desalination industries.
| Parameter | Range / Details |
|---|---|
| Standard | ASTM A789 / ASME SA789 |
| Manufacturing Type | Seamless / Welded |
| Available Grades | UNS S31803, S32205, S32750, S32760, and others |
| Outside Diameter (OD) | 6.0 mm – 610 mm (0.236″ – 24″) |
| Wall Thickness (WT) | 0.5 mm – 30 mm (Average Wall or Minimum Wall) |
| Length | Fixed length or random length (standard 6000 mm) |
| Delivery Condition | Annealed & Pickled (AP), Bright Annealed (BA) |
| Shape | Round, Coiled Tubing |
| Manufacturing Process | Cold Rolling, Cold Drawn |
| Steel Name | EN Number | UNS | AISI / Trade Name |
|---|---|---|---|
| X2CrMnNiN21-5-1 | 1.4162 | S32101 | 2101 LDX |
| X2CrNiN23-4 | 1.4362 | S32304 | 2304 |
| X2CrNiMoN12-5-3 | 1.4462 | S31803 / S32205 | 2205 |
| X2CrNiMoN25-7-4 | 1.4410 | S32750 | 2507 |
| X2CrNiMoCuWN25-7-4 | 1.4501 | S32760 | Zero 100 |
| UNS Designation | C ≤ | Mn ≤ | P ≤ | S ≤ | Si ≤ | Ni | Cr | Mo | N | Cu | Others |
|---|---|---|---|---|---|---|---|---|---|---|---|
| S31803 | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 4.5–6.5 | 21.0–23.0 | 2.5–3.5 | 0.08–0.20 | — | — |
| S32205 | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 4.5–6.5 | 22.0–23.0 | 3.0–3.5 | 0.14–0.20 | — | — |
| S32750 | 0.030 | 1.20 | 0.035 | 0.020 | 0.80 | 6.0–8.0 | 24.0–26.0 | 3.0–5.0 | 0.24–0.32 | 0.50 | — |
| S32760 | 0.030 | 1.00 | 0.030 | 0.010 | 1.00 | 6.0–8.0 | 24.0–26.0 | 3.0–4.0 | 0.20–0.30 | 0.50–1.00 | W 0.50–1.00 |
| Property | S31803 / S32205 | S32750 / S32760 |
|---|---|---|
| Tensile Strength (MPa), min | 620 | 800 |
| Yield Strength (MPa), min | 450 | 550 |
| Elongation %, min | 25 | 15 |
| Hardness (HRC), max | 30 | 32 |
| OD (mm) | WT (mm) | Length (m) | Application |
|---|---|---|---|
| 12.7 | 1.65 | 6.0 | Instrumentation |
| 19.05 | 2.11 | 6.0 | Hydraulic lines |
| 25.4 | 2.77 | 6.0 | Heat exchanger |
| 33.4 | 3.38 | 6.0 | Process piping |
| 48.3 | 3.68 | 6.0 | General service |
| 60.3 | 4.0 | 6.0 | Corrosive service |
| 88.9 | 5.0 | 6.0 | High-pressure |
| 114.3 | 6.0 | 6.0 | Structural / process |
| Finish | Description | Application |
|---|---|---|
| Pickled | Oxide scale removed, matte surface | General industrial |
| Annealed | Softened, ready for further processing | Heat exchangers, forming |
| Polished | Smooth surface finish | Instrumentation, food |
| Bright Annealed | Clean, shiny surface | Decorative, clean service |
Get a fast, accurate quote for ASTM A789 2205 Duplex Seamless Tubes tailored to your project requirements.
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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