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  • 16MnDR steel
  • 16MnDR plate

16MnDR

  • Steel Standard: GB 3531
  • Rolling Type: Boiler steel plate,Pressure vessel steel plate
  • Thickness: 6mm-300mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: Normalised/Normalised+Tempered
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■ Overview
Steel grade 16MnDR under specification GB 3531 is mainly rolling as steel plates for low temperature boiler and pressure vessel usage.Boiler steel plate 16MnDR shall be done low temperature impacting test under minus 40 centigrade for thickness equal and belows 60mm,for heavy thickness above 60mm,this temperature can be higher as minus 30 centigrade.
 
■ Full Data
Technical Requirements & Additional Services:
♦ Charpy V-notch impact test at low temperature
♦ Cutting and welding as per end user’s demands
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ 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 16MnDR Pressure vessel steel:

Thickness (mm)
16MnDR > 6 ≤ 16 > 16 ≤ 36 > 36 ≤ 60 >60 ≤ 100 >100
Yield strength (≥Mpa) 315 295 285 275 265
Tensile strength (Mpa) 490-620 470-600 460-590 450-580 440-570

Chemical composition for 16MnDR Pressure vessel steel (Heat Analysis Max%)

Main chemical elements composition of 16MnDR
C Si Mn P S Alt (min.)
0.20 0.15-0.50 1.20-1.60 0.025 0.012 0.020
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