Strength exceeds 316 stainless, corrosion resistance rivals nickel alloys Super Duplex Stainless Steel Pipe ASTM A790

Strength exceeds 316 stainless, corrosion resistance rivals nickel alloys Super Duplex Stainless Steel Pipe ASTM A790

1. Product Description

Super Duplex Stainless Steel Pipe is an advanced steel pipe with a microstructure comprising approximately 50% austenite and 50% ferrite. Its primary grade, UNS S32750 (2507), is rich in chromium, molybdenum, and nitrogen, combining ultra-high mechanical strength with exceptional resistance to chloride stress corrosion cracking (Cl-SCC). Manufactured through precise hot working and solution annealing, this product is a top-tier high-performance piping solution designed for the most demanding environments.

2. Key Product Parameters

• Material: UNS S32750 (2507), UNS S32760 (Zeron 100), UNS S32205 (2205)

• Standard: ASTM A790/A790M (seamless/welded pipe), ASTM A928/A928M (EFW welded pipe)

• Size Range: Outer diameter (OD) 1/8" to 24", wall thickness (WT) Sch 5S to Sch 80

• Surface Treatment: Pickled and Passivated

• Pressure Rating: Complies with ASME B36.19M standard

3. Product Applications

• Marine engineering: Subsea pipelines, seawater cooling systems, desalination plants

• Oil and gas: Oil and gas extraction and transportation in high chloride and hydrogen sulfide environments

• Chemical industry: Reactors and heat exchangers handling chloride ions and acidic media

• Environmental protection: Flue gas desulfurization (FGD) systems, wastewater treatment equipment

Specification

FAQ

1. Are you trading company or manufacturer ?

We are manufacturer ,You can see the Alibaba certification.

2. How long is your delivery time?

Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3. Do you provide samples ? is it free or extra ?

Yes, we could offer the sample for free charge but need pay the cost of freight.

4. What is your terms of payment ?

Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.