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Pig iron

Refers to melted iron (containing carbon above 1.5%) produced in a blast furnace. Molten iron is poured through a trench before flowing into shallow earthen moulds arranged along the side of the trench. As this resembles newborn pigs suckling at their mother’s side, the trench became known as the “sow” and the moulds as “pigs”.

At NatSteel Holdings, pig iron is sometimes used as an alternative iron source to produce special grade steel which otherwise cannot be made from steel scrap which contains a higher proportion of impurities.

Strands

Cables produced by taking relevant diameters of wires braided together in a bundle, and can be used in precast concrete or wall anchors, lifting strands, etc.

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匿名用户 1级
2010-06-18 回答
通过采取有关的电线电缆生产直径编织捆绑在一起,并且可以在预制混凝土或墙面用锚,起重链,等