ASTM International Standards Worldwide

ASTM International is an open forum for the development of high quality, market relevant technical standards for materials, products, systems, and services used around the globe.

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Resolve a DOI Name

Type or paste a DOI name into the text box. Click Go. Your browser will take you to a Web page (URL) associated with that DOI name. Send questions or comments to doi

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Stainless Steel Grades Explained Suncor

What is Stainless Steel? Stainless steel is essentially a low carbon steel which contains chromium at 10% or more by weight. It is this addition of chromium that gives the steel its unique stainless, corrosion resisting properties.

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Pictures, stories, and facts about the element Iron in the

This meteorite, part of one that fell in Xiquipilco, Mexico in ancient times, is made mostly of iron. Locals created iron tools from it for generations before the first samples made their way out in the 1700s.

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Pencil

On 30 March 1858, Hymen Lipman received the first patent for attaching an eraser to the end of a pencil. In 1862, Lipman sold his patent to Joseph Reckendorfer for $100,000, who went on to sue pencil manufacturer Faber Castell for infringement. In 1875, the Supreme Court of the US ruled against Reckendorfer declaring the patent invalid.

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CNC Router Bits Glossary Toolstoday Your

CNC Tooling Photo Glossary by Toolstoday. Glossary by Toolstoday. CNC router bits are the cutting implement at the end of the spindle on a CNC router. They can be made to cut aluminum, brass, copper (and other non ferrous metals) fiberglass, plastic, PVC, tiles, wood and more.

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