The man who first suggested that so commonplace a substance as air, blown upon molten pig iron, would produce the intensest heat and destroy its impurities, made possible our steel railroads, our steel ships, and our steel cities.
Nails, wire, metallic ware, chains, anchors, bar and pig iron were made in large quantities; and Great Britain, by an act in 1750, encouraged the colonists to export rough iron to the British Islands.
This melts the ore at more than 1,500 degrees Celsius, producing a compound of nickel and iron called nickel pig iron, or NPI, much of which is in turn used to produce stainless steel.
Of this kind are all naval stores, masts, yards, and bowsprits, tar, pitch, and turpentine, pig and bar iron, copper ore, hides and skins, pot and pearl ashes.
十九世纪冒险故事 Thrilling Adventures By Land And Sea by James O. Brayman
Springing to the deck, he ordered the mate to cut away the anchors and get the cables overboard, to keep the ship from sinking, as she had a large quantity of pig iron on board.