Product Description
Drill collar:
Ф89 Ф105 Ф121 Ф146 Ф159 Ф165 Ф178 Ф203
It's made from rolled or forged AISI4145H chrome-molybdenum steel. The content of chemical composition and microelement is controlled effectively throughout the whole process. According to its different figures and materials, it can be divides into three types:
Type A (columnar): made from ordinary alloy steel, both inside and outside of the cross section of the pipe are cycloidal.
Type B (spiral): made from ordinary alloy steel, with a spiral chute on the outer surface of the pipe
Type C (non-magnetic): made from stainless alloy-steel of low magnetic permeability, both inside and outside of the cross section of the pipe are rounded.
Weigao makes worldwide friends with
honest, enduring, reciprocal business
styles. Please feel free to contact us at
any time.
Skype:maryworld162
Email:sxweigao@hotmail.com
Email:sxweigao@hotmail.com petroleum@weigaodrilling.cn
Product Image
Img 1
Img 2
Img 3
Img 4
Img 5
Send Inquiry to this Member
This member assumes full responsibility for the content of this listing. DIYTrade accepts no responsibility whatsoever in respect of such content.
To report fraudulent or illegal content, please
click here.
China Suppliers Quick Searching:
,
