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410   410S21    Technical Data 410 martensitic stainless steel is a general purpose grade often supplied in the hardened but still machinable condition, for applications where high strength and moderate heat and corrosion resistance are required.. Typical Analysis             C. Mn. P. S. Si. Cr. Ni. Mo. 0.09- 1.00% 0.04% 0.03% 1.00% 11.50- 1.00% 0.30- 0.15% max. max. max.. max. 13.50% max max. Physical Properties   Temperature       20ºC 100ºC 200ºC 400ºC Modulus of elasticity 22500 22000 21000 19500 kg/mm         Specific heat 0.11 0.12 0.13 0.14 kcal/ºC         Specific electrical resistance 0.6 0.7 0.8 0.9 (resistivity)           Mean value for:       20-100ºC 20-200ºC 20-400ºC 20-800ºC Coefficient of Thermal Expansion 11 11 12 13 x10-6 per ºC         Density g/cm3 at 20ºC 7.7       Scaling temperature ºC 825ºC