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March 2015 Tube ProducTs InTernaTIonal

41

products & developments

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Corrosion resistant alloys for

demanding applications

Seamless tube and pipe solutions in

corrosion resistant alloys from Sandvik

are designed to provide operational

benefits in demanding production

environments.

Process plants, such as chemical,

petrochemical, refineries, steel and pulp

and paper, rely on the correct selection

of seamless tube and pipe for use in

coolers, condensers, boilers and heat

exchangers, as well as in hydraulic and

instrumentation tubing.

Sandvik states that its Duplex and

Super-Duplex stainless steel tubes,

such as Sandvik SAF 2507™, are used

extensively in process plants worldwide.

Investment in research and develop-

ment has led to the introduction of

a hyper-duplex grade with greater

operational and corrosion capabilities,

designed to increase plant operational

uptime. Sandvik SAF 2707 HD™ is

suitable for aggressive acidic, chloride-

containing environments and particularly

chlorinated seawater.

Tubular solutions supplied by the

company include seamless tube and

pipe developed for process plants,

chemical, petrochemical, refineries,

fertiliser plants, pulp and paper mills

and power generation plants for

reactors, coolers, condensers, boilers

and heat exchangers, and hydraulic and

instrumentation tubing.

“Not only do we have the ability to

supply tube and pipe both in seamless

and welded options, but a complete

piping system solution including,

flanges, butt welded fitting, screwed

and socket welded fittings and welding

supplies all available from stock and

competitively priced with short lead

times,” commented Mana Yilmaz of

Sandvik Materials Technology, Turkey.

In highly corrosive conditions, as

found in ethylene and fertiliser plants,

Sandvik composite tubes provide

high resistance to pitting and crevice

corrosion.

Materials such as Sandvik 3R60 Urea

Grade, with low ferrite content for greater

resistance to general, inter-granular and

pitting and crevice corrosion, can assist

in achieving higher output and reduced

maintenance.

A new premium composite tube,

Sanicro™ 67/4L7, offers even greater

resistance to stress corrosion cracking

and general corrosion for black liquor

recovery and other boiler applications in

the pulp and paper industry.

sandvik Materials Technology

– UK

sales.smtuk@sandvik.com www.smt.sandvik.com