Glossary

A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z

Click on the alphabetic index to display terms beginning with the corresponding letter or search for a term below.

Deburring

Removing the subtle ridge from the edge of strip metal that results from cutting operation such as slitting, trimming, shearing, or blanking.

Desulphurisation

The removal of sulphur from a ladle full of hot metal via chemical injection before it is charged into the basic Oxygen Furnace. This is done because sulphur reduces welding and forming capabilities.

Die Casting

The principal processes for casting near net shapes of non-ferrous metals such as zinc, aluminium, and zinc-aluminium alloy.

Drawn-Over-Mandrel

To produce specialty tubing, this procedure uses a drawbench to pull tubing through a die and over a mandrel, allowing excellent control of the inside diameter and wall thickness. These specialty tubes are marketed mainly to automotive markets and for hydraulic cylinders.

Drill Pipe

A seamless pipe used to drill an oil or gas well. Drill pipe is the conduit between the wellhead motor and the drill bit.

Ductility

The ability of steel to be formed, shaped, or altered permanently at room temperature without being damaged.

Duplex

Sandvik Stainless steel comprised of austenitic and ferretic steels that contain high amounts of chromium and nickel. This combination is stronger than both of the individual steels. Duplex steels are highly resistant to corrosion and cracking and are often used in heat exchangers, destination plants, and marine applications.

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