A low-carbon steel of ordinary production. Carbon content 0.15 to 0.3%. It is harder and less ductile than dead mild steel and most of the steel produced falls into this range. It is used for case hardening steels, boiler and ship's plate, steel structural sections such as joists, channels, angles, bars for machining and forging and for steel castings.

Mild steel welds easily and has good machining properties

It has a Tensile Strength of up to 480 N/mm2 and an Elongation of 25%.

Related Terms


A burning process to cut stock to length by using a blade saw operating at high speed; used especially for the structural parts of mild steel and stainless steel.


[ENG ACOUS] A device with a photoelectric cell to convert ordinary printed letters into a series of sounds; used by the blind.


In an ordinary rail switch, the turnout rail lying between the rails of the main track.


Lubricants that impart to rubbing surfaces the ability to carry appreciably greater loads than would be possible with ordinary lubricants without excessive wear or damage.


A traditional royal navy term for an ordinary sailor.


The state or condition of a vessel when it is not in a proper state of maintenance, or if the loading equipment or crew, or in any other respect is not ready to encounter the ordinary perils of sea.


A nearly horizontal portion of a beach or backshore having an abrupt fall and formed by wave deposition of material and marking the limit of ordinary high tides. Also called BEACH BERM.


A paraffin hydrocarbon (C3H8) that is a gas at ordinary atmospheric conditions but easily liquefied under pressure.


With respect to tides, the use of this non technical term has, for the most part, been determined to be synonymous with mean.


A surveying sextant similar to those used for celestial navigation but smaller and lighter, constructed so that the maximum angle that can be read on it is slightly greater than that on the navigating sextant. Usually the angles can be read only to the nearest minute by means of a vernier. It is fitted with a telescope with a large object glass and field of view. Although the ordinary navigating sextant may be used in place of the hydrographic sextant, it is not entirely satisfactory for use in observing objects ashore which are difficult to see. Hydrographic sextants are either not provided with shade glasses or they are removed before use.

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