HOME       About Shiruida       Certification       Petroleum drilling tools       Tubing&Casing products       Equipments       Company activities       Contact us        MESSAGE
 
 

Contact us:

Company name: TianJin Shiruida Machinery Import & Export Co., Ltd

Main products: Petroleum machinery and Petroleum mechanical fittings

Business nature: Joint stock company

Tel: 0086.22.24716021  24716013   24716017 

Fax: 0086.22.24716023

Address: East15#,Chengfa Industrial zone,Xuelian South Road,Hedong District,Tianjin,China

Zip code:300185

Website: http://www.shiruida.cn       http://www.shiruida.com         

E-mailinfo@shiruida.com     sales@shiruida.com      

admin@shiruida.com

 

 

   

 

Link:
http://www.adcbuae.com
               Non-magnetic drill collars

 

Non-magnetic drill collars

Non-magnetic drill collar adopts a kind of chrome manganese alloy steel as material, low carbon obtained by combining a proprietary chemical analysis and rotary hammer process. The material is resistant to corrosion crack, with low magnetic conductivity, with no tendency to galling and high wearproof performances. 
Magnetic permeability (when MPS=1105/4NM) relative maxπμr :1.010.
Magnetic field gradient (hot spots) max.: B 0.05micro tesla/100mm

Mechanical property

Outside dia.

Yield strength

Tensible strength

Elongation

Mm

In

79.4-171.4

31/8-63/4

758

827

18

177.8-279.4

 

689

758

20

  

CopyRight©TIANJIN SHIRUIDA MACHINERY IMPORT & EXPORT CO.,LTD
  Call me!