Global · Enterprise standard

Docol 39MnCrB6

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Chemical composition

wt% · log scale
0.00010.0010.010.1110B0.0008 – 0.005C0.36 – 0.42Cr0.3 – 0.6Mn1.4 – 1.7P0.03S0.015Si0.4
  • min – max range
  • typical value

Mechanical properties

value range by condition
Tensile strength Rm≥1980 MPaHardnessHRCold rolled sheets, Water quenched, t = 0.70 mm - 3.00 mmTensile strength Rm≥1795 MPaHardnessHRCold rolled sheets, oil quenched, t = 0.70 mm - 3.00 mmYield strength Rp0.2≥400 MPaTensile strength Rm≥550 MPaElongation A≥25 %Cold rolled sheets, annealed, t = 0.70 mm - 3.00 mm

Chemical composition

ElementminmaxSimilarRemarks
B0.00080.005
C0.360.42
Cr0.30.6
Mn1.41.7
P0.03
S0.015
Si0.4

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Cold rolled sheets, Water quenched, t = 0.70 mm - 3.00 mm≥1980HR ≥55 HRC
Cold rolled sheets, oil quenched, t = 0.70 mm - 3.00 mm≥1795HR ≥52 HRC
Cold rolled sheets, annealed, t = 0.70 mm - 3.00 mm≥400≥550≥25 Lo = 80 mm