loading
There are several types of duplex stainless steel pipes, each with its own specific composition and properties. The most common types of duplex stainless steel pipes include:
Duplex 2205 (UNS S31803/S32205): This is the most widely used duplex stainless steel grade. It offers a good balance of strength and corrosion resistance, making it suitable for a wide range of applications in industries such as oil and gas, chemical processing, and marine. Duplex 2205 has a high resistance to pitting and crevice corrosion, as well as good weldability.
Super Duplex 2507 (UNS S32750): Super duplex 2507 is a higher alloyed duplex stainless steel grade with enhanced corrosion resistance and strength compared to Duplex 2205. It is particularly suitable for applications in aggressive environments such as offshore oil and gas, chemical processing, and seawater applications. Super duplex 2507 offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking.
Duplex 2304 (UNS S32304): Duplex 2304 is a lean duplex stainless steel grade with a lower alloy content compared to Duplex 2205. It offers good corrosion resistance and high strength, making it suitable for applications in industries such as pulp and paper, chemical processing, and water treatment. Duplex 2304 has a higher resistance to stress corrosion cracking compared to austenitic stainless steels.
Lean Duplex: Lean duplex stainless steel grades, such as LDX 2101 (UNS S32101) and 2304, have a lower alloy content and are designed to provide a cost-effective solution with good corrosion resistance and strength. They are often used in applications where a combination of high strength, good weldability, and resistance to stress corrosion cracking is required.
These are some of the commonly used types of duplex stainless steel pipes. The selection of the specific type depends on the application requirements, including the desired corrosion resistance, strength, and cost considerations. It is important to consult with materials engineers or experts to determine the most suitable duplex stainless steel grade for a particular application.
| Name | Stainless Steel welded Tube/pipe |
| Standard | ASTM A249/ASTM A269 ASTM A554/ASTM A312 ASTM B514,ASTM B515,ASTM B516,ASTM B517 |
| Certification | IOS9001:2015,ISO/TS 16949:2009 |
| Outer diameter | 6.0-89.0mm |
| Wall thickness | 0.3-3.0mm |
| Material | 304 304L 316L 309S 310S 904L 2205 2207 2507 INCOLOY840,INCOLOY800,INCOLOY825,INCONEL600/601,INCONEL625,HASTELLOY C276,BT840Mo,BT800Mo |
| Delivery time | Within 25 days after receiving deposit |
| Payment term | T/T,L/C |
| Supply ability | 150tons per month |
| Packing | Export standard package with polywood case or ISPM 15 stamped wooden case |
| Information | Beside the normal executive syandard.we could alse make the tubes according to your own requirements,such as wall thickness tolerance,hardness,surface requirements and etc.by different technical requirements and production technology,try our best to satisfied your. |
