1.4410 Super Duplex Stainless Steel Plates

If you are looking for 1.4410 Super Duplex Stainless Steel plates and pipes, GNEE can provide high-quality semi-finished products with excellent corrosion resistance and mechanical strength for demanding applications in chemical, marine, and offshore industries.

We offer 1.4410 (UNS S32750 / SAF 2507) plates and pipes in multiple dimensions, including 4mm thick x 1500 x 3000mm, 35mm thick x 1500 x 2000mm, and 159mm OD x 4mm wall thickness tubes, or custom sizes upon request. All products comply with ASTM A240 / A789 / EN 10088-2 standards and are supplied with ISO and SGS certifications.

 

1.4410 Super Duplex Stainless Steel plate and pipe

Product Type	Dimensions	Condition	Standard	Surface Finish
Plate	4mm × 1500mm × 3000mm (or custom)	Hot Rolled / Solution Annealed	ASTM A240 / EN 10088-4	2B / No.1 / Brushed
Plate	35mm × 1500mm × 2000mm	Hot Rolled, Annealed	ASTM A240 / EN 10088-4	No.1 / Pickled
Pipe	Ø159mm × 4mm wall thickness	Seamless / Welded	ASTM A790 / EN 10216-5	Pickled & Annealed

 

Chemical Composition (Typical %)

Element	1.4410 (UNS S32750)
C	≤ 0.03
Cr	24.0 – 26.0
Ni	6.0 – 8.0
Mo	3.0 – 5.0
Mn	≤ 1.2
Si	≤ 0.8
N	0.24 – 0.32
Fe	Balance

Mechanical Properties

Property	Metric Value
Tensile Strength	≥ 795 MPa
Yield Strength (Rp0.2)	≥ 550 MPa
Elongation (A5)	≥ 15%
Hardness (HB)	≤ 270
Impact Toughness (Charpy V)	≥ 100 J at 20°C

 

What is the difference between 1.4410 and 2205 duplex stainless steel?
1.4410 (2507) has higher chromium, molybdenum, and nitrogen content, providing superior pitting and corrosion resistance, especially in seawater and acidic chloride conditions. 

 

Market Analysis and Price Trends (2025)

As global infrastructure and offshore energy projects expand, 1.4410 super duplex stainless steel demand is rising rapidly.
In 2025, the average price for 1.4410 plates ranges from:

4mm thick plate: USD 6.5 – 7.5 per kg (depending on finish and quantity)

35mm thick plate: USD 7.0 – 8.2 per kg

159×4mm pipe: USD 6.8 – 7.8 per kg

Prices vary with nickel and molybdenum market fluctuations, but Gnee offers factory-direct bulk pricing with ISO, BV, and SGS certifications to ensure consistent quality and reliability.Please feel free to email us at sales@gneestainless.com. We'd be happy to assist you.

 

If you are looking for 1.4410 Super Duplex Stainless Steel sheet or tubing, please contact Gnee for a highly competitive quote and technical consultation. We guarantee consistent product quality, on-time delivery, and cost-effective solutions for your projects.

With over 18 years of manufacturing and exporting experience, Gnee is a trusted global supplier of duplex and super duplex stainless steel, serving more than 60 countries worldwide.

We offer:
✅ Ample stock: 1.4410 sheet, tubing, round bars, and fittings are readily available.

✅ Custom processing: Laser cutting, polishing, CNC machining, drilling, and welding.

✅ Flexible minimum order quantity: Small batch orders are accepted for prototyping or replacement parts.

✅ Reliable packaging: Moisture-proof packaging, wooden pallets, or sea freight cartons.

✅ Fast delivery: 7-15 day lead time, supporting shipping terms such as CIF, FOB, or DDP.

FAQ
Q: What surface finishes are available?
GNEE supplies 2B, No.1, polished, and pickled finishes depending on your project's appearance and corrosion resistance requirements.

Q: What documentation is provided with each shipment?
Every batch includes a Mill Test Certificate (EN 10204 3.1), confirming chemical composition, mechanical properties, and heat treatment data.

Q: Can GNEE cut or process the plates and tubes to custom dimensions?
Yes. GNEE offers CNC cutting, waterjet cutting, laser cutting, and bending services to match customer design specifications.