Boronizing is a kind of chemical heat treatment technology ues in 20CrMo steel pipe, because the infiltrated layer has very high hardness and good wear resistan
15CrMo welded steel pipe has the huge market in the future, so it is our mainly product in our company now. We have professional person to produce the 15CrMo we
27SiMn structure seamless pipe is belong to the standard of GB/T3077, and it is our mainly product. Not only 27SiMn structure seamless pipe has the widely use,
