45 # seamless steel pipe
source£ºchengdu chengfa jinhui traning co.,ltd time£º2016-01-29
Grade: 45 #
Chemical composition: carbon content (C) the amount is 0.42 ~ 0.50%, Si content is 0.17 ~ 0.37%, Mn content of 0.50 ~ 0.80%, Cr content <= 0.25%
Heat treatment: Recommended heat treatment temperature: 850 of normalizing, quenching 840 and tempering 600.
Application: 45 steel for high-quality carbon structural steel, hardness is not high machinability, commonly used to mold the template, studs, guide posts, etc., subject to heat treatment
