
S32550 Super Duplex Steel Pipe
1. OD: 1mm - 50mm
2. Thickness: 0.5mm up to 40mm
3. Length: Single, Double Random, Cut Length
4. End: Plain End, Beveled End, Treaded
S32550 Super Duplex Steel Pipe (UNS S32550, 1.4507, Ferralium 255), as a high-performance super duplex stainless steel pipe, has become a preferred product for international trade procurement in demanding working conditions due to its dual advantages of corrosion resistance and high strength. HT PIPE focuses on the international supply of S32550 super duplex pipes, providing one-stop services including selection guidance, customized production, and compliance testing, taking into account the standard differences and customer needs of different global markets.
Ferralium 255 Specifications
| Grades | Duplex Steel – UNS NO. S 32550 |
| Standards | ASTM, ASME and API |
| Specifications | ASTM A 789, 790/ ASME SA 789, 790 |
| Size | 1/2"NB TO 12 "NB IN |
| Seamless Pipes & Tubes Sizes | 1/2" NB - 8" NB |
| Welded Pipes & Tubes Sizes | 6" NB - 24" NB |
| Outer Diameter | 6.0-630mm |
| Thickness | 0.5-45mm |
| Length | Single Random, Double Random & Required Length |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80 |
| Form | Round, Square, Rectangular, Hydraulic Etc. |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| End | Plain End, Beveled End, Treaded |
Super Duplex Steel S32550 Pipes Equivalent Grades
| GRADE | UNS | GB | JIS | ISO | DIN/EN | GOST | |
| ISC | NEW | ||||||
| 255 | S32550 | S25554 | 022Cr25Ni7Mo4N | SUS329J4L | X2CrNiMoN25-6-3 | 1.4507 | - |
DIN 1.4507 Welded Tubes Chemical composition
| Grade | C | Cr | Mn | Mo | N | Ni | P | S | Si | Cu |
| S32550 | 0.04 | 24.0-27.0 | 1.5 max | 0.1-0.25 | 4.5-6.5 | 6.0-8.0 | 0.040 max | 0.030 max | 1.0 max | 1.5 |
Duplex Steel S32550 Seamless Pipes Mechanical Properties
| Grade | Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Hardness Rockwell C(HR C) | Elongation(% in 50mm) |
| S32550 | 760 | 550 | 32 Max | 15 |
Why Choose Us?
- EN 10204/3.1B
- Raw Materials Certificate
- 100% Radiography Test Report
- SGS Third Party Inspection Report, etc
- Huge Stock, Timely delivery
- Free Quote, Inquiry answered within 24 hours

Application of S32250 pipe
Oil and gas: submarine pipelines, downhole tools for acid gas wells.
Chemical equipment: sulfuric acid reactors, phosphoric acid evaporators, pickling equipment.
Nuclear industry: containers and pipelines for nuclear waste treatment systems.
Marine engineering: seawater desalination devices, heat exchangers.
Environmental protection: key components of flue gas desulfurization (FGD) systems.
FAQ
Q: About S32550 Super Duplex Steel Pipe prices?
A: Prices from ranges $5 - $25 per kilogram, vary depending on size, wall thickness, supplier etc.
Q: How long does your delivery time take?
A: Delivery time is within 5-21 days
Q: Is There Sample Service?
A: Samples Are Provided Free Of Charge
Q: What Is The Minimum Order Quantity?
A: No Minimum Order Quantity
Q: How to pack the products?
A: The inner layer has a waterproof paper outer layer and is fixed with a fumigation wooden pallet.
Q: Exported Countries
A: Brazil, South Africa, Indonesia, India, Singapore, Malaysia, Iran, Russia, UAE, Chile, Laos, etc
Q: Can we visit your factory?
A: Of course, you are always welcome!
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