| The 138-acre site housed a recycle mill with open-hearth furnaces from the early days of the 20th Century. |
|
| After that would come the open-hearth furnaces, but they'd require a better supply of pig iron and a new building in which to build them. |
|
| Less trouble is experienced with acid open-hearth steel than with basic electric steel containing about 6-8 cc per 100 gm of hydrogen in the ladle. |
|
| Ispat Karmet produces 5.2 million tonnes, a little less than the Soviet peak because the open-hearth plant was shut down for environmental reasons, say company officials. |
|
| The open-hearth process of steel-making allowed the operator a greater amount of control over materials used in the mills' heat than did the older Bessemer process. |
|
| Ashinsky closed down its open-hearth furnaces in 2010 and launched a single electric-arc furnace, boosting crude steel capacity to 1m tonnes. |
|
| Meanwhile, at his Llandore Steelworks, William Siemens' revolutionised steelmaking with the development of his open-hearth method. |
|
| Italian chefs are still baking fat, artisanal, irregular pizzas in open-hearth ovens that celebrate the art of dough making and baking. |
|
| The electric arc furnace facility will replace an obsolete open-hearth furnace steel production. |
|
| The launch of the new electric steel melting complex will also allow the Company to give up the obsolete open-hearth furnace method of steel production. |
|
