S420NL steel plate

  • Steel Standard:EN 10025-3
  • Rolling Type:Structural steel plate,low alloy steel plate
  • Thickness:6mm-350mm
  • Width:1500mm-4200mm
  • Length:3000mm-18000mm
  • Heat Treatment:Normalised
  • S420NL steel plate is one kind steel grade in steel standard EN 10025-3 which also contains steel grades S275N,S275NL,S355N,S355NL,S420N,S460N,S460NL.All the steel grades may be supplied in the following qualities as specified at the time of the enquiry and order: I.with specified minimum values of impact energy at temperatures not lower than -20 °C, designated as N. II. with specified minimum values of impact energy at temperatures not lower than -50 °C, designated as NL.So for steel plate S420NL shall be done low temperature impacting test under minus 50 centigrade.

    Technical Requirements & Additional Services:
     Low temperature impacting test
    Rolling under standard NACE MR-0175 (HIC+SSCC)
    Ultrasonic test under EN 10160,ASTM A435,A577,A578
    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

    Mechnical property for S420NL Structural steel:

    Thickness (mm)
    S420NL ≤ 16 > 16 ≤ 40 > 40 ≤ 63 > 63 ≤ 80 > 80 ≤ 100 > 100 ≤ 150 > 150 ≤ 200 > 200
    Yield strength (≥Mpa) 420 400 390 370 360 340 330 320
      ≤ 100 > 100 ≤ 200 > 200
    Tensile strength (Mpa) 520-680 500-650 500-650

    Chemical composition for S420NL Structural steel (Heat Analysis Max%)

    Main chemical elements composition of S420NL
    C Si Mn P S Nb V
    0.20 0.60 1.00-1.70 0.025 0.020 0.05 0.20
    Al(total) Ti Cr Ni Mo Cu N
    ≥0.02 0.05 0.30 0.80 0.10 0.55 0.025

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