Sinotai Petroleum Equipment Co., Ltd.
Main products:drilling rig accessories,drilling tools,wellhead tools,down hole tools,sucker rod
Products
Contact Us
  • Contact Person : Ms. Kuo Herish
  • Company Name : Sinotai Petroleum Equipment Co., Ltd.
  • Tel : 86-546-8300512
  • Fax : 86-546-8308512
  • Address : Shandong,Dongying,No.69 Dengzhou Road
  • Country/Region : China
  • Zip : 257091

API Nonmagnetic drill collars

API Nonmagnetic drill collars
Product Detailed
1.Nonmagnetic drill collars 2.API certificate 3.full size 4. competive price with high quality

Non-magnetic drill collars are made from stainless alloy steel by combining

 a proprietary chemical analysis and a hammer forging process. 

The material is resistant to stress corrosion cracking,with high mechanical properties, 

low magnetic permeability, excellent machine ability and no tendency to galling.

OD

σ0.2

Yield strength Mpa

σb

Tensile strength Mpa

σ4(%)

elongation

mm

in

79.4~171.4

3 1/8~6 3/4

>758

>827

>18

177.8~279.4

7~11

>689

>758

>20

API Nonmagnetic drill collars



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