316/316L Guide | Machining Design Considerations | Penta Precision

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316 Machined Parts

A Guide to Stainless Steel 316 - CNC Milled & Turned Parts: Properties, Applications and Design Considerations

What is 316?

316 is an austenitic grade of stainless steel, second only to 304 in commercial importance. 

It has improved corrosion resistance due to the addition of molybdenum. This makes it a little more expensive than 304.

316L is the low carbon version of 316.

Main Attributes of Stainless 316:

  • Excellent corrosion resistance (wider range of chemicals than 304)
  • Performs well when exposed to relatively high and sub-zero temperatures
  • Easily machined
  • Suited to all standard methods of welding
  • Subject to pitting and crevice corrosion in warm chloride environments
  • Ease of cleaning
  • Subject to stress cracking above 60°c
  • Good heat resistance – oxidation resistance in intermittent use up to 870°c and continuous use up to 925°c, however continuous use at 425-860°c is not recommended. In this instance, 316L is recommended.

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Detailed information about stainless steel 316 for designers including UK stock sizes and technical properties can be found in the tabs below. Please note: this information is provided as a guide only. All information is based on our present knowledge and is given in good faith. No liability will be accepted by Penta Precision in respect of any action taken by any third party in reliance thereon.

Similar or obsolete designation and trade names

You may also see 316 referred to as:

316 Components, Applications & Industries

Here are some examples of the industries and components for which 316 is appropriate. This is by no means an exhaustive list. Please do get in touch if you are considering using 316 and we can talk through your project with you.

Typical Components & Applications:
  • Processing equipment
  • Chemical & petrochemical equipment
  • Medical implants
  • Valves
  • Flanges and fittings
  • External architectural components in coastal areas such as:
    • Panelling
    • Railing
    • Trim
  • Dyeing equipment
  • Boat fittings
Industry Examples:
  • Marine
  • Food processing
  • Architecture & construction
  • Oil & gas
  • Pharmaceutical & medical
  • Transportation

    316 Stainless CNC Turned Replacement Part

    Stainless 316 CNC Turned Replacement Part

    316 Stainless CNC Milled Replacement Part
    316 Stainless CNC Milled Replacement Part

    316 Machining Service

    Penta Precision provides highly accurate machined parts in stainless 316. Customers turn to us when they have had quality and delivery issues with their existing suppliers and need a reliable precision machining partner.

    Penta Precision provides the following 316 services: 

    • CNC milling – prototypes & large batch runs
    • CNC turning – prototypes & large batch runs
    • Insert installation
    • Part marking
    • Manual milling
    • Manual turning
    • Machining design advice
    • Machining drawing service

    Reasons to Choose Penta:

    • ISO 9001:2015 quality assurance
    • Consistent high quality machined parts
    • Reliable delivery dates - our track record speaks volumes
    • Exceptional customer service and communication
    • Machining design advice
    • Extensive experience in our field
    What Makes Penta Different?

    We are committed to delivering an exemplary service to our customers. One significant way in which we achieve this is through
    the implementation of our ‘3 Cs’:

    • We Communicate well 
    • We take Care at each stage
    • Our service is Consistent

    See our ‘Proven Process’ page to find out more

    We are regularly machining 316 for customers all over the UK. Our customers depend on our machining expertise as well as our outstanding delivery performance, to machine the highest quality parts. Contact us to discuss how we can help you with your 316 machining requirements. 

    Can we meet your
    316 machining needs?
    Call our engineering team on
    +44 (0) 23 9266 8334
    or contact us via our email form

    “My requirement was for a small prototype quantity, with a short lead time. Penta gave me a prompt quote, and delivered quality parts within my timescale. They tick all the boxes.'' Tim - Director 

    Tel: +44 (0) 2392 668 334

    Fax: +44 (0) 2392 668 335

    Connect with us:

    Penta Precision Engineering Ltd

    Aspen House

    Airport Service Road

    Portsmouth

    Hampshire

    PO3 5RA

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