The M Terms of Metals Terminology by Acier Lachine

The “M” Terms – Metal Industry Glossary

The terms in English:

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Les termes en Français:

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Machining (fr: Usinage): The operation of removing material from a metal part, usually by using a power-driven machine.


Manganese steel (fr: Acier au manganèse): Is a steel alloy containing 12-14% manganese. Distinguished for its high impact strength and resistance to abrasion in its hardened state, the steel is often described as the ultimate work hardening steel. Also called Hadfield steel or mangalloy.


Mechanical properties (fr: Propriétés mécaniques): The properties of a material that expose the elastic and inelastic reaction when force is applied. In addition, it involve the relationship between stresses and strain like hardness, tensile strength, fatigue limit etc.


Metal fabrication (fr: Fabrication de métal): Is the creation of metal structures by operations like: cutting, bending, and assembling structures from various raw materials.


Metal lathe (fr: Tour à métaux): Also called metalworking lathe is a large class lathe designed for precise machining of hard materials, originally – metals, and eventually plastics and other materials. These machine tools remove material from a rotating metal workpiece by means of various cutting tools, such as tool bits and drill bits.


MIG Welding (fr: ): Metal Inert Gas welding, using a continuous solid wire electrode and shielding gas.


Mild steel (fr: Acier doux): A type of steel in which the primary alloying element is carbon. One of the most important factors determining the steel’s mechanical properties is the level of carbon contained it. Mild steel has no more than 1.65 percent manganese, 0.6 percent copper, or 0.6 percent silicon. Mild steel comes with varying levels of formability. Generally, the more formable grades are more costly. Mild steel is also called carbon steel.


Mill Finish (fr: ): The surface condition of metal as it comes from the mill, without any additional treatment.


Mitre cutting (fr: Coupe à onglet – pour les métaux): The operation of cutting under an established angle the faces of two metal structures, so that the pieces will be joined and create a corner, thus introducing a new term – mitre joint. The most common angle for to pieces to be cut is at 45 degrees, so that when joined the corner will be 90 degrees. However, mitre cutting can be done under other angles depending on the objective. For more efficient and accurate mitre cuts, metal fabrication professionals often use motorized miter saws.


Mounting plate (fr: Plaque de montage): The part of a hinge, latch or handle that mounts the hardware to a cabinet. Mounting plates help attach doors to frames more easily.

Explore other terms in English:

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Explorer d’autres termes en Français:

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