Sandvik Materials Technology is a developer and producer of advanced stainless steels, special alloys, titanium and other high-performance materials

Subsea tubes

Subsea tubes in austenitic stainless steel, duplex and super-duplex stainless steels for a wide range of subsea applications. Main applications for Sandvik subsea tubes are:

  • Flowline pipe / line pipe
  • Riser tubes
  • Manifold piping
  • Christmas tree piping
  • Hydraulic lines for drilling risers

Sandvik's range of subsea tubes includes steels of ASTM 316L type, Sandvik SAF 2205 duplex stainless steel and Sandvik SAF 2507 super-duplex stainless steel.

New material for subsea applications

In the near future, Sandvik's new hyper-duplex material, Sandvik SAF 3207 HD, will be available for subsea applications. Sandvik SAF 3207 HD offers a unique combination of high strength and corrosion resistance which is not available today in any material.

List of subsea tube materials
Grade Description
Sandvik 3R65
ASTM 316L
An austenitic stainless steel with low strength and moderate corrosion resistance.
Sandvik SAF 2205
UNS S31803/S32205
22Cr duplex stainless steel offering a strength level of 65 ksi / 450 MPa, which is approximately twice that of ASTM 316L. It also has higher resistance to certain types of corrosion and cracking.
Sandvik SAF 2507
UNS S32750 
25Cr super-duplex stainless steel with a higher strength (80 ksi / 550MPa) and improved corrosion resistance compared to 22Cr materials.
Sandvik SAF 3207 HD A new hyper-duplex stainless steel characterized by a unique combination of strength and corrosion resistance.

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Duplex stainless steels

Sandvik's range of duplex stainless steels is the widest on the market. The range includes super-duplex and hyper-duplex stainless steels.
Read more about duplex stainless steels

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