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  • LR Grade FH40
  • LR FH40

LR Grade FH40,LR FH40

  • Steel Standard: LR (Lloyd’s Register)
  • Rolling Type: Shipbuilding steel plate,High tension ship plate
  • Thickness: 6mm-250mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: TMCP/Normalised
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■ Overview
At current,Xinsteel is cooperating with Wuyang steel mill about starting rolling the heavy shipbuilding steel plate LR Grade FH40 with the unit weight about 30 tons.This rolling should be from steel ingots and normally the plate rolling yield should be above 72 percentage.
■ 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 LR Grade FH40 shipbuilding structual steel:

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

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

Main chemical elements composition of LR 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

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