Global · Enterprise standard

BCP325 (SN490B)

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Chemical composition

wt% · log scale
0.0010.010.1110C0.18CEV0.44Mn1.6N0.006P0.03S0.015Si0.55
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2325–445 MPaTensile strength Rm490–610 MPaImpact energy Kv/Ku≥27 JElongation A≥17 %hot rolled, 12mm <= t <= 16 mmYield strength Rp0.2325–445 MPaTensile strength Rm490–610 MPaImpact energy Kv/Ku≥27 JElongation A≥21 %hot rolled, 16 mm < t <= 40 mmYield strength Rp0.2≥325 MPaTensile strength Rm490–610 MPaImpact energy Kv/Ku≥27 JElongation A≥17 %hot rolled, 6 mm <= t < 12 mm

Chemical composition

ElementminmaxSimilarRemarks
C0.18
CEV0.44Ceq= C + Si/24 + Mn/6 + Ni/40 + Cr/5 + Mo/4 + V/14
Mn1.6
N0.006
P0.03
S0.015
Si0.55

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
hot rolled, 12mm <= t <= 16 mm325–445490–610≥17≥27 At T= 0 °C;
hot rolled, 16 mm < t <= 40 mm325–445490–610≥21≥27 At T= 0 °C;
hot rolled, 6 mm <= t < 12 mm≥325490–610≥17≥27 At T= 0 °C;