For Superior Machinability

Prodec 

The Prodec range comprises stainless steel grades that are optimized for consistently superior machinability, enabling faster machining speed, longer tool life, and enhanced quality.

Extensive technical knowledge and our end-to-end production chain enables us to optimize the material's machinability properties through all steps of the process.

Unlike typical grades optimized for machinability, Prodec products have similar corrosion resistance to conventionally produced stainless steel grades.

 

Prodec grades

  • 304L/4307 (1.4307)
  • 316/4404 (1.4404)
 

Grades and dimensions

Prodec 304L/4307 stainless steel

Prodec 304L/4307 is a version of Core 304L/4307 with improved machinability. It improves productivity with faster machining, longer tool life, better dimensional tolerances, superior machined surface quality, and improved yields compared to conventionally produced Core 304L/4307.

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  • EN: 1.4307
  • ASTM type: 304L
  • ASTM UNS: S30403
  • Microstructure: Austenitic
Typical applications
  • Flanges  
  • Machined components
Product forms
Typical chemical composition, % by mass
  • C: 0.02
  • Cr: 18.1
  • Ni: 8.1
  • Mo: -
  • N: -
  • Others: -

Prodec 316/4404 stainless steel

Prodec 316L/4404 is a version of Supra 316L/4404 with improved machinability. It improves productivity with faster machining, longer tool life, better dimensional tolerances, superior machined surface quality, and improved yields compared to conventionally produced Supra 316L/4404.

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  • EN: 1.4404
  • ASTM type: 316L
  • ASTM UNS: S31603
  • Microstructure: Austenitic
Typical applications
  • Flanges 
  • Machined components
Product forms
Typical chemical composition, % by mass
  • C: 0.02
  • Cr: 17.2
  • Ni: 10.1
  • Mo: 2.1
  • N: -
  • Others: -

Standards and approvals

 EN 10088-2   
 EN 10088-4   
 ASME SA-240  
 ASTM A240  
 NACE MR0175/ISO 15156  
 NACE MR0103/ISO 17945  

Outokumpu meets the most common certifications and approvals around the world, including:

  • AD 2000 Merkblatt
  • Approval of Material Manufacturers
  • Factory Production Control Certificate
  • ISO 9001
  • ISO 14001
  • ISO 50001
  • ISO/TS 16949
  • NORSOK
  • OHSAS 18001
  • Pressure Equipment Directive (PED)

Cases

View all

Case CIMC tank

Setting a new standard in corrosion resistance

Case pressurized road tankers

Gas tank gains muscle

Case Mine rescue chambers

Stainless saves lives underground

Case Stockholm railway bridge

Upgrading bridge construction

Case maintenance-free boat

Duplex rules the waves

Case Kiruna Wagon

Innovative solution for uncommon cold

Article

Wider coil means fewer welds

Case Södertälje bridge

Designed to last

Case Valmet flue-gas cleaning units

Stainless solution for greener ships

Outokumpu Prodec range downloads 

Outokumpu Prodec range datasheet
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Outokumpu Prodec range brochure
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Outokumpu Product Ranges chart
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Machining guideline for Prodec 303/4305
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Machining guideline for Prodec 304L/4307 and Prodec 316L/4404​​​​​​​
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Machining guideline for 304L/4307 and Prodec 316L, Imperial Units​​​​​​​
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Machining guidelines for standard austenitic stainless steel grades
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