TPT May 2010

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Technology Update
50 M ay 2010 ›
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SANDVIK Materials Technology’s stainless
steel and advanced materials offers
comprehensive seamless tube and pipe
product in keeping with its reputation for
research and development.
The latest hyper-duplex stainless
steel, Sandvik SAF 3207 HD ®, optimises
material strength and corrosion resistance
and extends the properties of Sandvik’s
industry standard super-duplex grade,
Sandvik SAF 2507. Use of the new grade
makes it possible to develop installations
and explore new oil and gas fields that were
previously thought to be too expensive and
technologically unattainable.
Developed for use in deeper, more
remote subsea umbilicals operating in
aggressive environments, Sandvik SAF
3207 has a higher yield strength to
withstand increased pressures, facilitating
thinner wall umbilicals that reduce reel
sizes and lower installation costs.
It extends the operating capabilities of
hyper duplex materials having an extremely
high tensile strength of 980–1,180 MPa
and increases the operating temperature
to 90°C (194°F).
Another specifically developed hyper-
duplex stainless steel is Sandvik SAF
2707 HD®, designed for service in highly
corrosive conditions, such as seawater
cooled heat exchangers. It is particularly
suited to aggressive, chloride-containing
environments and displays excellent
resistance to pitting.
This makes it ideal for chemical,
petrochemical and refinery industries tomeet
higher industry demands on performance
while maintaining the reliability and safety
of equipment.
Manufacturing dedicated seamless
tube and pipe for the power generation
and nuclear industry, Sandvik is set to
increase its production capability as a
result of significant orders for steam
generator tubes for the US and Chinese
markets. Its development programme also
includes special tubes for high efficiency,
new generation power plants that operate
at increased temperatures.
With over 40 years’ experience, Sandvik
is constantly adapting to the changing
market conditions and the requirements of
its customers by innovating and adding new,
more specialised and higher performance
products to its already impressive range of
steels.
A number of new material examples
were used including duplex grades,
developed to meet the increasing demands
on construction materials for oil and gas
exploration and production materials;
the extensively enhanced machinability
Sanmac grades, including hollow bar,
which boost productivity for machined
components; materials that extend
seamless tube life in highly corrosive
environments such as urea, ethylene
and petrochemical plants, in addition to
hydraulic and instrumentation tubing in
Sandvik SAF 2304® that withstand nearly
twice the pressure of standard material
tubes.
Sandvik Materials Technology
– Sweden
Fax: +46 2625 1710
Website:
Sandvik demonstrates its
development capability