Steel Plate For Offshore Structure

 

Steel Plate For Offshore Structure

We deliver high-quality offshore structural steels and thermomechanically rolled shipbuilding plates for drilling platforms, oil platforms and jack-up rigs. These steels are also used in foundations for offshore wind parks and floating production storage and offloading vessels (FPSOs). In addition, we are in a position to produce chords for the feet of jack-up rigs. We supply prequalified material with plate thicknesses of up to 101.6 mm and CTOD values down to -40 °C for applications in arctic regions (arctic steel). Our thermomechanically rolled offshore plates are characterized by a high degree of toughness and excellent weldability. The low degree of cold cracking and high degree of toughness in the welding seam make it possible for us to guarantee the highest safety standards in welded structures.

Offshore steel is widely used for large scale platforms for drilling and/or production of oil. Required features for this steel include good ductility in the direction of thickness and low-temperature toughness that can help the platform withstand harsh offshore conditions such as drastic changes in underwater currents and waves on the surface. We deliver anti-lamellar tear steel and HAZ CTOD tested steel that can provide a much higher level of such features.

Steel grades

EN10225 : S355G9/10+M, S420/460G1/2+M

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API : API-2W-50/60, API-2H-42/50 TOTAL Spec : S355KL20~KT-50(Z), S420KT-40Z

Compliant with EN 10225:	S355G5+M, S355G6+M, S355G7+M, S355G8+M, S355G9+M, S355G10+M S355G2+N, S355G3+N, S355G7+N, S355G8+N S420G1+M, S420G2+M S460G1+M, S460G2+M All TM grades available up to 101.6 mm, available prequalified according to Annex E
Compliant with API 2H:	API 2H-50N (normalgeglüht bis 100 mm)
Compliant with API 2W:	API 2W-50, API 2W-50T, API 2W-60 (available 101.6 mm prequalified according to API RP2Z)
Compliant with API 2 MT1:	API 2 MT1

Dimensions

Plate thickness	6-130 mm (dependent on steel grade)
Plate width	3,850 mm max. (dependent on thickness and steel grade)
Plate length	18,700 mm max. (dependent on thickness and steel grade)
Unit weight	28.0 tons max. per single plate