Metallurgy

Metallurgy

Metal works and production.

Industry: Metals; Materials science

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Metallurgy

blister steel

Metals; Metallurgy

High-carbon steel produced by carburizing wrought iron. The bar, originally smooth, is covered with small blisters when removed from the cementation (carburizing) furnace.

A vertical shaft type smelting furnace in which an air blast is used, usually hot, for producing pih iron. The furnace is continuous in operation using iron ore, coke, and limestone as raw materials ...

blister

Metals; Metallurgy

A defect in metal, on or near the surface, resulting from the expansion of gas in a subsurface zone. Very small blisters are called pinheads or pepper blisters.

black plate

Metals; Metallurgy

A light weight or a thin uncoated steel sheet or strip so called because of its dark oxide coloring prior to pickling. It is manufactured by two different processes. (1) Form sheet bar on single ...

black oil tempered spring steel strip

Metals; Metallurgy

A flat cold rolled usually. 70/. 80 medium high carbon steel strip, blue-black in color, which has been quenched in oil and drawn to desired hardness. While it looks and acts much like blue tempered ...

black annealing

Metals; Metallurgy

A process of box annealing or pot annealing ferrous alloy sheet, strip or wire after hot working and pickling.

billet

Metals; Metallurgy

A solid semi-finished round or square product that has been hot worked by forging, rolling, or extrusion. An iron or steel billet has a minimum width or thickness of 1 1/2 in. And the cross-sectional ...