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  • 09MnNiDR steel
  • 09MnNiDR plate

09MnNiDR

  • 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
Boiler steel grade GB 3531 09MnNiDR is Manganese-Nickel alloy steel,the letter D is for low temperature using,the letter R is for boiler and pressure vessel using.The low temperature impacting test shall be done for 09MnNiDR at minus 70 centigrade,the impacting energy value should above 34 J. 
■ 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 09MnNiDR Pressure vessel steel:

Thickness (mm)
09MnNiDR > 6 ≤ 16 > 16 ≤ 36 > 36 ≤ 60 > 60
Yield strength (≥Mpa) 300 280 270 260
Tensile strength (Mpa) 440-570 430-560 430-560 420-550

Chemical composition for 15MnNiDR Pressure vessel steel (Heat Analysis Max%)

Main chemical elements composition of 15MnNiDR
C Si Mn Ni Nb P S Alt (min.)
0.12 0.15-0.50 1.20-1.60 0.30-0.80 0.04 0.020 0.012 0.020

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