Outokumpu Prodec range

Stainless steels for superior machinability

Stainless steel grades optimized for improved machinability with longer tool life and enhanced quality.
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.

We believe in the world that lasts forever

Why Prodec range

Faster machining Based on V15 testing results you can optimize machining speeds for Prodec 304L/4307 up to 300 m/min. Using higher speeds can lead to significant cost savings per component.
Prodec can double tool lifetime.
Superior quality and tolerances rodec expands the machining window, leading to superior chip formation while avoiding built up edge and tool wear.

Why Outokumpu

• Outokumpu is a global leader in stainless steel, and innovator of the first stainless steels in the world.
• A strong customer focus, sustainability, and technical excellence are at the heart of everything we do.
• As a customer you benefit from our strong R&D and technical support.

Why stainless steel

• The durability of stainless steel means that it is not only the best, but also the most economically sustainable choice for a wide range of applications.
• All of our products are made from an average of 85% recycled material and are fully recyclable at the end of their lifecycles.

Outokumpu Prodec stainless steel grades and dimensions

ROUND BAR

 

Offering in metric (mm)

Offering in imperial (in)

Cold drawn

6–25.4

0.25–1.00

Peeled

12.7–220

0.50–15.75

Black bar

30–230

1.19–15.75

 

HEXAGON AND SQUARE BAR

 

Offering in metric (mm)

Offering in imperial (in)

Hexagon

8–60

0.31–3.00

Square

8–70

0.31–3.00

 

HOT ROLLED PLATE (DEGERFORS SWEDEN)

 

Max. offering in metric (mm)

Max. offering in imperial (in)

Width

3,200

140

Thickness

130

6

Length

13,500

420

Prodec 304L/4307

Description A version of Core 304L/4307 with improved machinability. 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.

EN 1.4307

ASTM type 304L

ASTM UNS S30403

Microstructure Austenitic

Typical applications

  • Fasteners
  • Flanges and valves
  • Pressure fittings
  • Machined components

Datasheet Download Prodec data sheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.02

Cr 18.1

Ni 8.1

Mo -

N -

Others -

Prodec 316/4404

Description A version of Supra 316L/4404 with improved machinability. 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.

EN 1.4404

ASTM type 316L

ASTM UNS S31603

Microstructure Austenitic

Typical applications

  • Fasteners
  • Flanges and valves
  • Pressure fittings
  • Machined components

Datasheet Download Prodec data sheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.02

Cr 17.2

Ni 10.1

Mo 2.1

N -

Others -

Prodec 303/4305

Description For applications that use 303/1.4305. This product gives you faster machining, longer tool life, better tolerances, superior machined surface quality, and reduced scrap losses compared to conventionally produced 303/1.4305. 

EN 1.4305

ASTM type 303

ASTM UNS S30300

Microstructure Austenitic

Typical applications

  • Nuts, bolts, and screws
  • Gears
  • Shafts
  • Bearings
  • Machined parts for process equipment

Typical chemical composition, % by mass

C 0.05

Cr 17.2

Ni 8.1

Mo -

N -

Others 0.3S

Prodec 17-4PH

Description A martensitic, precipitation hardening stainless steel for applications that use Dura 17-4PH. It improves productivity with faster machining, longer tool life, better dimensional tolerances, superior machined surface quality, and improved yields when compared to conventionally produced Dura 17-4PH.

EN 1.4542

ASTM type 630

ASTM UNS S17400

Microstructure Precipitation hardening

Usage

  • Fasteners
  • Flanges
  • Oil field valve equipment
  • Pressure fittings
  • Chemical process equipment
  • Paper mill equipment
  • Aircraft parts

Typical chemical composition, % by mass

C 0.02

Cr 15.5

Ni 4.8

Mo -

N -

Others 3.4Cu Nb

Standards and approvals for Prodec range

 EN 10088-2   
 EN 10088-3  
 EN 10088-4   
 EN 10088-5  
 EN 10272  
 ASME SA479  
 ASTM A479/479M  
 ASTM A276  
 ASTM A555  
 ASTM A493  

The most commonly used international product standards are given in the table above. For a list of standards by product, see steelfinder.outokumpu.com

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)

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