Home > Super Duplex Steel > Super Duplex Steel Pipes
Marsh Nickel Alloys is a leading manufacturer and supplier of Super Duplex Steel Pipes in Canberra, Australia. Our Super Duplex Steel Pipes are designed to deliver excellent performance in demanding industrial applications. Combined with high chromium and nickel content, these pipelines provide exceptional strength, outstanding corrosion resistance and resistance to stress corrosion cracking Ideal for use in harsh environments such as offshore oil and gas platforms, chemical plants and marine applications We are committed to providing high quality products that meet the highest industry standards. Trust us for your super duplex steel pipe needs and experience unparalleled quality and service.
|
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 |
|
Dimensions |
: |
OD(6.0-630)*WT(0.5-45)mm |
|
Schedule |
: |
SCH20, SCH30, SCH40, STD, SCH80 |
|
Length |
: |
Single Random, Double Random & Cut Length |
|
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* |
These pipes feature a well-balanced microstructure of austenite and ferrite, enhanced with chromium, molybdenum, nickel, and nitrogen. This unique composition results in remarkable mechanical properties, such as high tensile and yield strength, toughness, and resistance to fatigue. They also show exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking caused by chlorides, even in harsh chemical and saline conditions. The pipes maintain their structural integrity under high pressure and temperature, while also providing excellent weldability and precise dimensions. Each pipe goes through thorough inspection and testing to ensure metallurgical consistency, surface quality, and compliance with international standards.
Contact us to get a quick quote for your requirement.
Super Duplex Steel Pipes are extensively utilized in industries that demand corrosion-resistant and high-strength piping solutions. In the oil and gas industry, they are used in subsea pipelines, flow lines, and offshore platforms that face seawater and aggressive chemicals. The chemical and petrochemical sectors rely on them for process piping, reactors, and heat exchangers that handle corrosive fluids. They are also vital in desalination plants, marine engineering projects, and power generation facilities, where durability and reliability are of utmost importance.
