International standard · ISO

S15C

ISO 10384:2012 — Hot-rolled carbon steel sheet for machinery

Chemical composition

wt% · log scale
0.0010.010.11C0.13 – 0.18Cr0.15Cr+Mo0.16Cr+Ni+Cu+Mo0.5Cu0.2Mn0.3 – 0.6Mo0.06Nb0.008Ni0.2P0.03S0.035Si0.15 – 0.35Ti0.008V0.008
  • min – max range
  • typical value

Chemical composition

ElementminmaxSimilarRemarks
C0.130.18
Cr0.15Product analysis: 0.19% max
Cr+Mo0.16When one or more of these elements are specified
Cr+Ni+Cu+Mo0.5When one or more of these elements are specified
Cu0.2Product analysis: 0.23% max
Mn0.30.6
Mo0.06Product analysis: 0.07% max
Nb0.008Product analysis: 0.018% max; Heat analysis values greater than 0.008 may be supplied after agreement.
Ni0.2Product analysis: 0.23% max
P0.03
S0.035
Si0.150.35The silicon may be supplied within the limits agreed upon at the time of inquiry and ordering.
Ti0.008Product analysis: 0.018% max; Heat analysis values greater than 0.008 may be supplied after agreement.
V0.008Product analysis: 0.018% max; Heat analysis values greater than 0.008 may be supplied after agreement.