Get 400 Series rounds, square, hex, flats, and more from King Steel. We carry grades 410, 416, and 440C. All grades in this series are magnetic, offer moderate corrosion resistance, and can achieve high hardness when heat treated. 400 Series stainless steel is commonly used for valve stems and shafts, machine components, gauge blocks, and more.
Varies based on the specific grade. See individual grade pages for more information.





King Steel offers a variety of value-added services to improve your workflow and quality control. Our processing capabilities include:
Learn more about our processing capabilities.
Let the experts at King Steel show you how we can help take your business from good to great.