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  • S355G3+N PLATE
  • S355G3+N STEEL

S355G3+N

  • Steel Standard: EN 10225
  • Rolling Type: Oil and offshore platform steel plate
  • Thickness: 6mm-300mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: Normalized
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■ Overview
EN 10225 S355G3+N oil and offshore structural steel plate are mainly used to produce structural parts of the bolted and welded steel industrial area.The minimum yield strength of structure steel plate S355G3+N shall be 355 Mpa for nominal thickness,and tensile strength of structural steel plate S355G3+N shall be within 470-630Mpa.1Mpa is equal to 1 N/mm2.Now Xinsteel can offer S355G3+N normalized steel plate with the maximum thickness of 300mm heavy steel plates.
■ Full Data
Technical Requirements & Additional Services:
♦ 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 S355G3+N Platform steel:

Thickness (mm)
S355G3+N ≤ 16 > 16 ≤ 25 > 25 ≤ 40 > 40 ≤ 63 > 63 ≤ 100 > 100
Yield strength (≥Mpa) 355 345 345 345 345 345
  ≤ 100 > 100
Tensile strength (Mpa) 470-630 470-630

Chemical composition for S355G3+N Platform steel (Ladle Analysis Max%)

Main chemical elements composition of S355G3+N
C Si Mn P S Cr Mo
0.18 0.50 0.90-1.65 0.030 0.025 0.30 0.10
Ni Alt min. Cu N Nb Ti V
0.50 0.020 0.35 0.015 0.060 0.030 0.12

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