Duplex Stainless Steel Pipe
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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- Tel: +8615824687445
Duplex stainless steel pipe generally refers to a steel composed of 50% Ferritic and 50% Austenitic phase structure. This composition gives them a better strength than either Ferritic or Austenitic steels. Duplex stainless steel has excellent pitting corrosion resistance and is also a nickel-saving stainless steel.
| ASTM A790 S31803/S32205 Duplex Stainless Steel Pipe | |
| Outside Diameter | 6-203mm |
| Wall Thickness | 0.5-25mm |
| Length | Up to 25m |
| Standard | ASTM A789, A790, etc. |
| Grade | S32304/S31803/S32205/S32750/S31260/S32550/S32760,S32707,etc. |
| Delivery Condition | Pickled, Polished, Bright Annealed |
| Technique | Seamless/Welded |
| Application | Heat Exchanger, Heater, Condenser, Machining, Bearing Machining, API Service… |
| Marking | LOGO, Standard, Grade, Size, Heat Number. |
| Package | Woven bag, wooden case, or as per customer's requirement. |
| Quality Requirement | Mill Test Certificate (EN 10204/3.1); Third Part Inspection is acceptable. |
What is super duplex tubing used for?
The super duplex tubing is particularly suitable for heat exchangers and tubes & pipes for processing oil & gas. It can also be used for chloride containing processes and chemical tankers.
They are widely used in marine environments along with paper & pulp manufacturing. Super duplex materials are also used for manufacturing structural and mechanical components.
How thick is super duplex steel welded tube?
The common wall thickness of super duplex steel welded tube can range within 0.33 to 20 mm. However, depending on the applications where they will be used, clients can customize the thickness of the tubes.
If the welded SDSS heat exchanger tubes are used in high pressure or extremely corrosive environments, then a thickness of more than 20 mm might be required. You can contact experienced professionals at GNEE Steel to get an idea about this.
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