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  • Q345E PLATE
  • Q345E STEEL

Q345E

  • Steel Standard: GB/T1591
  • Rolling Type: High strength low alloy structural steels
  • Thickness: 3mm-500mm
  • Width: 1000mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: As rolled/Control-rolled/Normalised
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■ Overview
GB/T1591 high strength low alloy structural steel grade Q345E owned minimum yield strength at 345Mpa and tensile strength above 470Mpa.When rolling steel plate Q345E,the impacting test shall be done under low temperature at minus 40 centigrade.
■ Full Data
Technical Requirements & Additional Services:
♦ Low temperature impacting test
♦ Cutting and welding as per end user’s demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578 
■ Techicals

Mechnical property for Q345E low alloy structural steel:

Thickness (mm)
Q345E ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Yield strength (≥Mpa) 345 325 295 275
Tensile strength (Mpa) 470-630

Chemical composition for Q345E low alloy structural steel (Heat Analysis Max%)

Main chemical elements composition of Q345E
C Si Mn P S V Nb Ti Al (min.)
0.18 0.55 1.00-1.60 0.025 0.025 0.02-0.15 0.015-0.060 0.02-0.20 0.015

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