Blackplate is

hot rolled In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness, to make the thickness uniform, and/or to impart a desired mechanical property. The concept is simil ...

cold rolled In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness, to make the thickness uniform, and/or to impart a desired mechanical property. The concept is simil ...

,DIN 55405:2006-11 ''Verpackung - Terminologie - Begriffe'', Berlin: Beuth Verlag. non-

descale A descaling agent or chemical descaler is a liquid chemical substance used to remove limescale from metal surfaces in contact with hot water, such as in boilers, water heaters, and kettles. Limescale is either white or brown in colour due to ...

sheet steel Sheet metal is metal formed into thin, flat pieces, usually by an industrial process. Sheet metal is one of the fundamental forms used in metalworking, and it can be cut and bent into a variety of shapes. Thicknesses can vary significantly; ex ...

or sheet

iron Iron () is a chemical element with symbol Fe (from la, ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, right in f ...

.''Blackplate''
at www.merriam-webster.com. Retrieved 30 Apr 2017.

Manufacture and properties

Blackplate is made of non-

tinned Tinning is the process of thinly coating sheets of wrought iron or steel with tin, and the resulting product is known as tinplate. The term is also widely used for the different process of coating a metal with solder before soldering. It is most ...

iron or

steel Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant ty ...

and is annealed on open flames or in an annealing box. Its dark appearance is caused by its reaction with the surrounding air. During warm rolling, blackplate can be manufactured to thicknesses of 1.5 mm or more.Entry o
''Schwarzblech''
at europerf.org, retrieved 27 March 2012. Cold rolled blackplate, by contrast, can be made thinner – thicknesses of 0.4 to 1.5 mm being attainable – and produces better surface qualities.

References

{{Reflist Steel

Manufacture and properties

See also

References