Duplex 2205 is a nitrogen-enhanced duplex stainless steel that was developed to combat common corrosion problems encountered with 300 series stainless steels. "Duplex" describes a family of stainless steels that are not completely austenitic, such as 304 stainless steel, nor purely ferritic, such as 430 stainless steel. The structure of duplex stainless steel 2205 consists of austenite pools surrounded by a continuous ferrite phase. In the known condition, 2205 contains approximately 40-50% ferrite. Often known as the degree of workhors, 2205 is the most widely used degree in the stainless steel duplex family.
ASTM A790 / A789 UNS S32205 seamless tubes and tubes in duplex steel are manufactured to withstand very high pressure and ensure the product. We offer a wide range of duplex stainless steel S32205 to our customers of different verticals. Our company offers according to custom in accordance with national and international quality standards.
Specification of UNS S32205 stainless steel duplex tubes and tubes
Standards: ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789
Seamless Pipes & Tubes Sizes : 1/2" NB - 8" NB
Welded Pipes & Tubes Sizes : 6" NB - 24" NB
Outside diameter: 6.0-630 mm
Thickness: 0.3 mm - 50 mm
Hours: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Types : Seamless / EFW / Fabricated, Welded, ERW
Length: Random Length, Double Random and Required
End: flat end, beveled end, treated
UNS S32205 Duplex Tube Chemical composition
| degree | C | Mn | Yes | Q | s | Cr | Mo | nor | N | faith |
| S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 - 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
Mechanical properties of duplex steel S32205 pipes and pipes
| degree | Density (g/cm 3) | Density (lb/in 3) | Melting point (C) | Melting point (F) |
| S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Equivalent standard for S32205 seamless steel duplex tubes
| standard | duplex 2205 |
| Uns | S32205 |
| WERKSTOFF NR. | 1.4462 |
Duplex Steel S32205 pipe and tube are the main pipe of the oil and chemical industry, medicine, food, wastewater treatment, boiler tube and heat exchanger. It is produced by hot and cold laminate. The glossy surface is the biggest advantage and is mainly used in buildings, elevators, railings, precision equipment, etc.
Standard packaging for ASTM A789 S32205 steel two-sided tubes
We can give peeled packaging, in packing package, packaging box, wood protection on both sides of pipes and conveniently protected for a dignified maritime delivery. According to customer requirements.
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