Home > Super Duplex Steel > Super Duplex Steel Pipes
Super Duplex Steel Pipesare highly regarded for their remarkable strength, corrosion resistance, and lasting durability. Built with a distinctive dual-phase microstructure, these pipes deliver outstanding performance in demanding environments like offshore oil and gas extraction, chemical processing plants, and marine uses. Their capacity to resist frequent corrosion issues such as pitting, crevice corrosion, and stress corrosion cracking makes them the favored option for critical industrial applications where reliability cannot be compromised. With superb weldability and formability, super duplex steel pipes provide a trustworthy answer for tough engineering projects that value both integrity and longevity.
|
Standard |
: |
ASTM A790 / ASME SA 790 |
|
Type |
: |
Seamless Pipes |
|
Grade |
: |
UNS S32750, UNS 32760 & UNS S32950 |
|
Size |
: |
1/2″NB TO 12 “NB IN |
|
Thickness |
: |
0.5-45mm |
|
Outer Diameter |
: |
6.0-630mm |
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Dimensions |
: |
OD(6.0-630)*WT(0.5-45)mm |
|
Schedule |
: |
SCH20, SCH30, SCH40, STD, SCH80 |
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Length |
: |
Single Random, Double Random & Cut Length |
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Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
Super Duplex Pipe |
0.030 max |
1.20 max |
0.80 max |
0.035 max |
0.020 max |
24.00 – 26.00 |
3.00 – 5.00 |
6.00 – 8.00 |
0.24 – 0.32 |
UNS No | Grade | Proof Stress 0.2% (MPa) | Tensile Strength (MPa) | Elongation A5(%) | Hardness Max | |
HB | HRB | |||||
Super Duplex Steel Pipe | 2507 | 550 | 795 | 15 | 310 | 32* |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for all your piping requirements. With advanced production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept in stock and ready to ship.
Get in touch with us to receive a fast quote for your requirement.
We supply these Super Duplex Steel Pipes conforming to DIN, ISO, JIS or ANSI Standard.
Super Duplex Steel Pipes serve a wide range of uses across the many industries they support, led mainly by the aerospace, railway, construction and automotive sectors, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Choosing the correct Super Duplex Steel Pipe for your application begins with defining your requirements, such as diameter, wall thickness, and operating conditions. Take into account elements like corrosion resistance, mechanical properties, weldability, and adherence to standards. Evaluate cost, availability, and seek advice from experts when necessary. Give priority to quality, reliability, and plan for future needs. By following these steps, you can reach an informed decision that ensures optimal performance and durability in your application.
Super Duplex Steel Pipes are a category of stainless steel piping produced from an alloy that contains elevated amounts of chromium, nickel, molybdenum, and nitrogen. They fall within the duplex stainless steel family, recognized for their outstanding corrosion resistance and considerable strength. Super Duplex Steel Pipes deliver excellent performance in demanding settings like offshore oil and gas platforms, chemical processing plants, and desalination facilities, where durability and resistance to corrosion are essential. They are distinguished by their ability to resist pitting and crevice corrosion, along with their capacity to endure high temperatures and pressures. These pipes see extensive use across numerous industries where longevity and reliability are of the utmost importance.
Super Duplex Steel Pipes are dimensioned according to their nominal diameter (DN) or nominal pipe size (NPS), which corresponds to the approximate internal diameter of the pipe. Sizing also takes into account elements like wall thickness, pressure rating, and relevant standards (e.g., ASTM, ASME). Widely used sizing standards include ANSI/ASME B36.19 for seamless pipes and ANSI/ASME B36.10 for welded pipes. Pipe dimensions generally span from 1/8 inch up to 48 inches or more, with a range of schedules (thickness) offered to suit different pressure ratings. Correct sizing is crucial to guarantee the pipes satisfy the demands of the intended application regarding fluid flow, pressure, and structural integrity.
Yes, Super Duplex Steel Pipes can be recycled. Just like other stainless steels, Super Duplex Steel is made up of valuable elements such as chromium, nickel, and molybdenum, which can be recovered and reused to manufacture new stainless steel products via recycling. Recycling Super Duplex Steel Pipes contributes to conserving natural resources, lowering energy usage, and reducing environmental impact when compared to making new steel from raw materials. Furthermore, stainless steel is extremely durable and can be recycled again and again without losing its qualities, making it a sustainable option for a wide range of applications.
Mail: sales@koasteel.nz