Improvements in and relating to the Manufacture of Semi-steel.
Номер патента: GB191322263A
Опубликовано: 05-10-1914
Автор(ы): William Muirhead
Принадлежит: Individual
Опубликовано: 05-10-1914
Автор(ы): William Muirhead
Принадлежит: Individual
Реферат: 22,263. Muirhead, W. Oct. 3. Cast-iron and scrap processes; ore, oxide, cast-iron, and scrap processes.-Semi-steel is obtained by working a charge of pig-iron with ore or scrap in a gas-fired open-hearth furnace, at a temperature of 2000-2300‹ F., until the product contains not more than 2 per cent of carbon. Manganese alloys may be added when the charge approaches the finishing stage. Specifications 1516/68 and 2166/77, [Class 61, Hand tools &c.], are referred to.. Reference has been directed by the Comptroller to Specification 7946/07.
The method of semi-steel making slag splashing
Номер патента: CN107164600A. Автор: 李彦军,韩宇,张东,何晴,翁玉娟,袁娜. Владелец: HBIS Co Ltd Chengde Branch. Дата публикации: 2017-09-15.