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  • LR Grade E420
  • LR E420

LR Grade E420,LR E420

  • Steel Standard: LR (Lloyd’s Register)
  • 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

Steel LR E420 is mainly used to building ships,so we also call this steel as LR Grade E420 ship plate,LR E420 shipbuilding steel plate,LR E420 marine steel plate or LR E420 shipbuilding plate.Anyway these LR E420 plates are the same and owned higher steel strength at minimum yield strength 420 Mpa and with minimum tensile strength 530 Mpa.Done low temperature impacting test for LR E420 under 40 centigree when rolling.

■ 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 E420 shipbuilding structual steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
420 530-680
-40 Centigrade

Chemical composition for LR Grade E420 ship steel (Heat Analysis Max%)

Main chemical elements composition of LR Grade E420
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02

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