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HomeStainless Steel UNS S32550 Super Duplex
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431 Stainless Steel

UNS S32550 Super Duplex

Super duplex UNS S32550 is a stainless steel grade that offers excellent corrosion resistance in a wide variety of corrosive chemicals including sulphuric, phosphoric and nitric acids. In Seawater and other chloride containing environments 32550 also provides outstanding resistance to pitting and crevice corrosion, with Critical Pitting Temperature exceeding 50°C.

Excellent ductility and impact strength at both ambient and sub-zero temperatures combine with a high resistance to abrasion, erosion and cavitation erosion.

For Inquiries, contact our sales office for further assistance.

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Description

Specifications

Analysis

Carbon : 0.04%
Manganese : 1.50%
Silicon : 1.00%
Nickel : 6.50%
Copper : 2.50%
Sulphur : 0.03%
Phosphorous : 0.04%
Molybdenum : 3.90%

 

Certification

UNS S32550 grade is available with BS EN 10204 3.1 mill certificate or cast and analysis certification.  Please request any material certificate requirements when placing your order.

Form of Supply

Diameters can be sawn to your required lengths as one offs or multiple cut pieces. UNS S32550 plate and sheet are available to European steel grades, which can be supplied as full plates and sheets or can be cut to your requirements.

Diameters availability are up to 88.90⌀ – 380⌀.

Contact our experienced sales team who will assist you with your UNS S32550 stainless steel enquiry.

Applications

UNS S32550 super duplex is a cost effective alternative to materials such as the nickel alloys, 20 type alloys, brass and bronze. Marine environments have long been the domain of admiralty bronze. Alloy 255 is replacing admiralty bronze, and the nickel alloys, in offshore platforms, deck hardware, rudders and shafting.

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