• Description
  • Device parameters
    • Commodity name: Flange
    • Commodity ID: 1133099420313341952

    Chemical Compososition (m%)

    Grade  C Si Mn Cr Cu P S Ni Nb
    16MnD 0.13-0.20 0.20-0.60 1.20-1.60 ≤0.25 ≤0.20 ≤0.020 ≤0.010 ≤0.40 ≤0.030

    Mechanical properties:

    Nominal thickness mm ≤ 100 > 100 ~ 200 > 200 ~ 300
    Heat treatment state Q+T (minimum tempering temperature 620℃)
    Tensile strength R / Mpa 480-630 470-620 450-600
    Yield strength R p0.2  / Mpa ≥305 ≥295 ≥275
    Elongation A /% ≥20
    Impact test, KV / J ≥47@-45℃  ≥47@-40℃ 

    *Charpy V-notch impact absorption energy value is the average value of 3 samples. The value of one sample is allowed to be lower than the specified value, but not less than 70% of the specified value.

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