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  • 17Mn4 PLATE
  • 17Mn4 STEEL

17Mn4

  • Steel Standard: DIN 17155
  • Rolling Type: Pressure vessel steel plate,Boiler steel plate
  • Thickness: 6mm-350mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: Normalised
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■ Overview
Boiler steel plate 17Mn4 and pressure vessel steel plate 17Mn4 are under steel standard DIN 17155.Currently more and more users use boiler steel plate P295GH replacement of boiler steel plate 17Mn4 which both owned the minimum yield strength at 290 Mpa and tensile strength within 460-580Mpa.When delivery steel plate 17Mn4,the original mill test certificates shall be issued by our mill under format EN10204 3.1 format,if customers need the third party inspection for order,the mill test certificates shall be issued under format EN10204 3.2.
■ 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 17Mn4 Boiler steel:

Thickness (mm)
17Mn4 ≤ 16 > 16 ≤ 40 > 40 ≤ 60 > 60 ≤ 100 > 100
Yield strength (≥Mpa) 290 285 280 255 230
  ≤ 60 > 60 ≤ 100 > 100
Tensile strength (Mpa) 460-580 450-570 440-570

Chemical composition for 17Mn4 Boiler steel (Heat Analysis Max%)

Main chemical elements composition of 17Mn4
C Si Mn P S Al(total) Cr
0.14-0.20 0.40 0.90-1.40 0.035 0.030 ≥0.02 0.25
Cu Mo Nb Ni Ti V
0.30 0.10 0.01 0.30 0.03 0.03

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