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UNS S32750 / S32760 Duplex Stainless Steel Tube With Cold Rolled
Duplex Stainless Steel Tube Description
Duplex stainless steel tubes contain a balanced mix of austenitic (chromium-nickel) and ferritic (chromium-molybdenum) phases in their microstructure.
Duplex stainless steel tubes offer superior corrosion resistance compared to conventional austenitic stainless steels, especially in chloride-containing environments.
Stress Corrosion Cracking Resistance: They exhibit good resistance to stress corrosion cracking and pitting corrosion.
Duplex stainless steel tubes are produced in accordance with ASTM standards such as A789 (seamless and welded tubes) and A790 (seamless tubes for general service).
Duplex Stainless Steel Tube Application
Oil and Gas Industry: Duplex stainless steel tubes are commonly used in offshore and onshore oil and gas applications, including pipelines, umbilicals, and risers.
Chemical Processing: They are utilized in chemical processing plants, desalination plants, and other industries where corrosion resistance is critical.
Duplex Stainless Steel Tube Specification
| Item | Description | |
| Basic Information | Material Grade | S32205 , S31803 , S32304 , S32750 , F51 , F53 , 2205 , 2507 etc |
| Outer Diameter | 3.18mm - 101.6mm | |
| Wall Thickness | 0.5mm - 20mm | |
| Length | Normally fixed length 6m , can as per customer’s requirement | |
| Standard | ASTM A789 ; ASTM A790 ; EN 10216-5 etc. | |
| Process Method | Cold Drawn or Cold Rolled | |
Specifications :
| DN | NPS(Inch) | D(mm) | SCH5S | SCH10S | SCH40S | STD | SCH40 | SCH80 | XS | SCH80S | SCH160 | XXS |
| 6 | 1/8 | 10.30 | - | 1.24 | 1.73 | 1.73 | 1.73 | 2.41 | 2.41 | 2.41 | - | - |
| 8 | 1/4 | 13.70 | - | 1.65 | 2.24 | 2.24 | 2.24 | 3.02 | 3.02 | 3.02 | - | - |
| 10 | 3/8 | 17.10 | - | 1.65 | 2.31 | 2.31 | 2.31 | 3.20 | 3.20 | 3.20 | - | - |
| 15 | 1/2 | 21.30 | 1.65 | 2.11 | 2.77 | 2.77 | 2.77 | 3.73 | 3.73 | 3.73 | 4.78 | 7.47 |
| 20 | 3/4 | 26.70 | 1.65 | 2.11 | 2.87 | 2.87 | 2.87 | 3.91 | 3.91 | 3.91 | 5.56 | 7.82 |
| 25 | 1 | 33.40 | 1.65 | 2.77 | 3.38 | 3.38 | 3.38 | 4.55 | 4.55 | 4.55 | 6.35 | 9.09 |
Application
a) Petroleum: Super duplex Stainless Steel is a highly alloyed , good performance duplex steel with a pitting resistance . Super Duplex offers good resistance to pitting and crevice corrosion .
b) Chemical industry
c) Instrument
d) Industrial transportation
e) Mechanical structure industry
f) Need high corrision ability pipe's industry, such as offshore industry etc
