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  • DNV D690
  • NV D690

DNV Grade D690,NV D690

  • Steel Standard: DNV (Det Norske Veritas)
  • Rolling Type: Extra high strength ship plate
  • Thickness: 6mm-250mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: Quenched and Tempered
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■ Overview
DNV D690 steel plate is an extra high strength shipbuilding plate which is mainly used for built hull of vessels,ship body construction.Tempered and Quenched heat treatment would improve steel strength in yield and tensile points for shipbuilding steel plate DNV D690.
■ Full Data
Technical Requirements & Additional Services:
♦ High tension test
♦ Z-Test (Z15,Z25,Z35)
♦ Low temperature impacting test
♦ Ultrasonic test under ASTM A435,A577,A578
♦ Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands 
■ Techicals

Mechnical property for DNV Grade D690 shipbuilding structual steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
690 770-940
-20 Centigrade

Chemical composition for DNV Grade D690 ship steel (Heat Analysis Max%)

Main chemical elements composition of DNV Grade D690
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02

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