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  • S420G1+M PLATE
  • S420G1+M STEEL

S420G1+M STEEL PLATE

  • Steel Standard: EN 10225
  • Rolling Type: Oil and offshore platform steel plate
  • Thickness: 6mm-300mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: Thermo-Mechanical Control Process (TMCP)
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■ Overview
EN 10225 S420G1+M,S420G1+M steel plate,S420G1+M steel sheet is mainly used in steel structures.This steel standard specification S420 includes four different steel grades S420G1+QT,S420G1+M,S420G2+QT and S420G2+M.They have owned different chemical composition and mechanical property.Oil and offshore platform steel plate S420G1+M owned the minimum yield strength at 420Mpa,and the tensile strength shall be above 500 Mpa.TMCP heat treatment is necessary for steel plate S420G1+M for any thickness when rolling.
■ Full Data
Technical Requirements & Additional Services for S420G1+M steel plate:
♦ Z TEST (Z15,Z25,Z35)
♦ Low temperature impacting test
♦ 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 
■ Techicals

Mechnical property for S420G1+M steel plate:

Thickness (mm)
S420G1+M ≤ 16 > 16 ≤ 40 > 40 ≤ 63 > 63 ≤ 80 > 80
Yield strength (≥Mpa) 420 400 390 380 380
  ≤ 40 > 40
Tensile strength (Mpa) 500 480

Chemical composition for S420G1+M steel plate (Ladle Analysis Max%)

Main chemical elements composition of S420G1+M steel plate
C Si Mn P S Cr Mo Nb+V Nb+V+Ti
0.14 0.15-0.55 1.65 0.020 0.010 0.25 0.25 0.09 0.11
Ni Alt Cu N Nb Ti V Cr+Mo+Ni+Cu
0.70 0.015-0.055 0.30 0.010 0.040 0.025 0.080 0.90

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