drill rod(NQ,NQ.HQ,PQ)
Product Images
Product Property
| Product Status : | New |
| Sample Available : | yes |
| Shipment Terms : | fob |
| Payment Mode : |
T/T |
Description
heat treatment:geological steel pipe-entire length thermal treatment
machinery:NC lathe with former cutters
Process: cutting-upsizing-machining -heat treatment-machining -phosphating
type: connect directly , coupling, upsizing without coupling
Material:30CrMnSiA or 45MnMoB(A grade), XJY850 or BG850( B grade)
