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  • KR D
  • KR D PLATE

KR Grade D,KR D

  • Steel Standard: KR (Korean Register of Shipping)
  • Rolling Type: Shipbuilding steel plate,Common strength ship plate
  • Thickness: 3mm-300mm
  • Width: 1200mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: As Rolled/Control-rolled/TMCP/Normalised
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■ Overview
KR Grade D shipbuilding steel plate is mainly used to build vessels and ships which are sailing in cold ocean waters belows minus 20 centigree.Xinsteel foucs on rolling wide heavy shipbuilding plate,up to today,we can roll the maximum thickness for shipbuilding plate KR Grade D shall be 300mm,and the maximum width shall be till 4200mm.
■ 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 KR Grade D shipbuilding structual steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
235 400-520 200mm 50mm
21 24

Chemical composition for KR Grade D ship steel (Heat Analysis Max%)

Main chemical elements composition of KR Grade D
C Si Mn P S
0.21 0.10-0.35 0.60 0.035 0.035
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