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  • DNV A620
  • NV A620

DNV Grade A620,NV A620

  • 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
Ship plate also named as shipbuilding plate,shipbuilding steel plate,marine plate and ship steel plate.DNV A620 shipbuilding steel plate is an extra high strength ship plate which owned the minimum yield strength at 620 Mpa.When rolling steel plate DNV Grade A620,Quenched and tempered is Ok for these shipbuilding steel plates and sheets.
■ 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 A620 shipbuilding structual steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
620 720-890
0 Centigrade

Chemical composition for DNV Grade A620 ship steel (Heat Analysis Max%)

Main chemical elements composition of DNV Grade A620
C Si Mn P S N
0.21 0.55 1.70 0.035 0.035 0.02

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