| Bundle | (english) Specific number of sheets which equals 1 unit of production. Number is determined by multiplying sheets/Packages/BUNDLE. For example, an order calls for 112 sheets/package. According to the maximum height allowed for a lift. Therefore, multiplying 15 packages X 112 sheets 3D 1680 sheets/bundle. |
| Burn | (english) 1) Process of cutting metal by a stream of fuel and oxygen, 2) to permanently damage a metal or alloy by heating to cause either incipient melting or intergranular oxidation. |
| Burning | (english) (1) Permanently damaging a metal or alloy by heating to cause either incipient melting or intergranular oxidation. (2) In grinding getting the work hot enough to cause discoloration or to change the microstructure by tempering or hardening. |
| Burnishing 2 | (english) Smoothing surfaces through friction between the material and material such as hardened metal media. |
| Burnt | (english) A definition applying to material which has been permanently damaged by over-heating. |
| Burnt Rubber | (english) Small or large black spots that generally show up on surface and are generally caused by pickling steel too hot. |
| Burnthrough | (english) In shell molding, resin burned out too soon. |
| Burr 2 | (english) Roughness left by a cutting operation such as slitting, shearing, blanking , etc. |
| BURST PRESSURE | (english) The level of pressure at which a component, pipe, tube, hose or other fluid passage will burst during application of internal pressure. Normally 2.5 - 4.0 times working pressure. |
| Butcher Saw Steel | (english) A hardened, tempered, and polished high carbon spring steel strip material (carbon content is generally higher than that of a material used for wood band saw applications) with a Rockwell value of roughly C47/49. |