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Oil and gas

Solutions for cost-effective and high-quality machining of oil and gas mandrel features


A mandrel is a bar, shaft or spindle around which other components are arranged or assembled.

The term has been extended in oil and gas well terminology to include specialized tubular components that are key parts of an assembly or system, such as a gas-lift mandrel or packer mandrel.

Facts and component characteristics


  • Super 13Cr – a low-carbon martensitic steel with high corrosion resistance


  • Outer diameter ≈ 100 mm (4 inch)
  • Inner diameter ≈ 75 mm (3 inch)
  • Length ≈ 480 mm (19 inch)
  • Max 28 HRC

Key component features/operations

  • External turning
  • Internal turning
  • Internal thread
  • External groove

Tooling solutions for machining of oil and gas – mandrel body features

PrimeTurning™ – all-directional turning with extraordinary productivity for internal and external turning applications

With the CoroTurn® Prime SL head solution, it is now possible to use our PrimeTurning™ methodology for internal turning. The inside-out machining capability allows for excellent chip evacuation and chip control.

Read more about PrimeTurning™


Silent Tools™ – overcome vibration when machining long overhangs

To keep chips flying at a high rate, it is important to reduce vibration as much as possible. Silent Tools™ dampened boring bars minimize vibration. This makes a high metal removal rate possible.

Read more about Silent Tools™

Silent Tools™ – overcome vibration when machining long overhangs  

CoroTurn® SL adapter interface

CoroTurn® SL is a modular system of adapters and cutting heads with which you can build customized tools for a variety of turning applications with a minimum number of items. The robust coupling and many combination possibilities make it ideal for building a tool for machining complex components.

Read more about CoroTurn® SL

CoroTurn® SL adapter interface  

Roughing and finishing with grade GC4425

From finishing to roughing, this carbide grade is your first choice when turning steel. Coated with Inveio™​ technology, it has a broad range of applications and is recommended for both continuous and interrupted cuts.

Insert GC4425

Insert: DNMG 44​25

Roughing and finishing with grade GC4325  

Coromant Capto® is a modular quick-change tooling concept offering three systems in one. Benefits with Coromant Capto® are

  • Flexibility with extensive modularity
  • High basic stability and accuracy
  • Minimized tool inventory
  • Reduced set-up time

Coromant Capto®

Coromant Capto®  


CoroCut® 1-2 – versatile parting and grooving

With more than 700 standard inserts, CoroCut® 1-2 covers all parting and grooving applications in most materials, from standardized grooves to parting off and profiling in heat-resistant super alloys.

CoroCut® 1-2

CoroCut® 1-2 – versatile parting and grooving  


Customer values using Sandvik Coromant tools and solutions

  • High productivity thanks to the long and predictable tool life of GC4325
  • Secure process with good chip control thanks to cutting head with CoroTurn® HP nozzle technology
  • Vibration- and trouble-free machining with long overhang
  • High productivity – major time savings with Silent Tools™
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