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KR Grade FH40

The highest steel grade KR Grade FH40 shipbuilding steel plate in normal shipbuilding steels are used abnormally owning to its high cost and substitutability.With the minimum yield point at 390 Mpa,and tensile strength within 510-650 Mpa,steel plate KR Grade FH40 can bear the higher strength and used to some steel structure parts in ships.

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 FH40 shipbuilding structual steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
390 510-650 200mm 50mm
19 22

Chemical composition for KR Grade FH40 ship steel (Heat Analysis Max%)

Main chemical elements composition of KR Grade FH40
C Si Mn P S Al (acid) min. Nb
0.16 0.50 0.90-1.60 0.025 0.025 0.015 0.02-0.05
V Ti Cu Cr Ni Mo N
0.03-0.10 0.02 0.35 0.20 0.80 0.08 0.009

The Korean Register of Shipping (KRS) is a not-for-profit classification society founded in South Korea offering verification and certification services for ships and marine structures in terms of design, construction and maintenance. Founded in 1960, the society employs 889 people.[1] Its headquarters in Busan and it has 66 offices worldwide.

KRS is a full member of the International Association of Classification Societies (IACS) which is the trade association of major global classification societies.

sunnysteel

Sunny Steel provide a wide range of steel products as Steel pipes, Seamless tube and seamless pipes, Alloy pipes, Pipe fittings, Composite steel pipe used in the industry, construction etc.

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