TH1901005103A - Hot rolled high carbon steel plate and its production method - Google Patents

Abstract

The invention summary which will appear on the ReadFile: DEPCT63 hot-rolled high carbon steel sheet and manufacturing method, which has excellent machinability and hardenability, contains elements C: 0.10-. 0.33%, Si: 0.15-0.35%, Mn: 0.5-0.9%, P: less than or equal to 0.03%, S: less than or equal to 0.010%, sol.Al: less than or equal to 0.10%, N: less. Or equal to 0.0065%, Cr: 0.90-1.5% with%, with the residual mass in Fe and the inevitable foreign matter, microstructures with additional ferrites and cementites. Less than or equal to 0.25 grains / square micrometers, hardness is 110-160 with HV, total elongation greater than or equal to 40% ------------------------ -----------------------------------

Claims (1)

Privilege (number one) which will appear on the advertisement page: DEPCT63. 1.High carbon hot-rolled steel sheet containing elements C: 0.10-0.33%, Si: 0.15-0.35%, Mn: 0.5-0.9%, P: less than or equal to 0.03%, S: less than or equal to 0.010. %, so l Al: less than or equal to 0.10%, N: less than or equal to 0.0065%, Cr: 0.90-1.5% with%, with the residual mass in Fe and inevitable foreign matter having a fir microstructure. Wright and cementite added