Defies high chlorides, high temp/pressure, and acidic media Super Duplex Stainless Steel Pipe ASTM A928 NPS 8

Defies high chlorides, high temp/pressure, and acidic media Super Duplex Stainless Steel Pipe ASTM A928 NPS 8

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

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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.

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

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