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  • S355N
  • S355

S355N

  • Steel Standard: EN 10025-3
  • Rolling Type: Structural steel plate,low alloy steel plate
  • Thickness: 6mm-500mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: Normalised
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■ Overview
Normalised steel plate and sheet S355N in steel standard en 10025-3 is mainly used to build steel structure,steel frames and other steel machines.When rolling steel plate s355nl,normalized heat treatment and low temperature impacting test shall be done in steel mill.And when issued the original mill test certificate for s355n steel plate,the Normalized word and the impacting test energy values have to be indicated on MTC.Else the product analysis of chemical composition values and mechanical property values also shall appear on MTC.
■ Full Data
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
 
■ Techicals

Mechnical property for S355N Structural steel:

Thickness (mm)
S355N ≤ 16 > 16 ≤ 40 > 40 ≤ 63 > 63 ≤ 80 > 80 ≤ 100 > 100 ≤ 150 > 150 ≤ 200 > 200
Yield strength (≥Mpa) 355 345 335 325 315 295 285 275
  ≤ 100 > 100 ≤ 200 > 200
Tensile strength (Mpa) 470-630 450-600 450-600

Chemical composition for S355N Structural steel (Heat Analysis Max%)

Main chemical elements composition of S355N
C Si Mn P S Nb V
0.20 0.50 0.90-1.65 0.030 0.025 0.05 0.12
Al(total) Ti Cr Ni Mo Cu N
≥0.02 0.05 0.30 0.50 0.10 0.55 0.015

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