Full resolution (JPEG) - On this page / på denna sida - Second part - IX. Mining Industry and Metal Production - 2. The Iron and Steel Industry. By the late Prof. J. G. Wiborgh - Pig iron - Wrought iron
<< prev. page << föreg. sida << >> nästa sida >> next page >>
Below is the raw OCR text
from the above scanned image.
Do you see an error? Proofread the page now!
Här nedan syns maskintolkade texten från faksimilbilden ovan.
Ser du något fel? Korrekturläs sidan nu!
This page has never been proofread. / Denna sida har aldrig korrekturlästs.
wrought iron.
725
according to the kind of iron to be produced. Pig iron requires from
50 to 80 hectoliters per ton.
Wrought iron.
The production of wrought iron in Sweden during the last few decades
is given in Table 105. It may here be noted that the line of
demarcation between bar iron and steel can not be drawn with any certainty,
because all Bessemer metal, of high as well as of low carbon, is often
designated as steel. As regards the iron which in Table 105 is counted
as wrought iron, see notes to Table 101, p. 707.
The number of wrought iron works, as shown by Table 105, has of
later times decreased to about one fourth of what it was some thirty to
fourty years ago, but still the total production has grown to more than
double the size, and the average output per works has thus increased
more than eight times.
Bar iron and bar steel (in the restricted sense) were produced during 1901
in seventeen of our Läns. Foremost stood the Läns of Vestmanland, with 31,010
tons, and Kopparberg, with 26,113; next in order were Gefleborg with 22,734,
Östergötland with 17,361, Örebro with 16,744, Uppsala with 15,800, and Vermland
with 10,391 tons; the remaining 12,030 tons were divided on ten different Läns.
Total 152,183 tons.
Bar iron was formerly one of the most important exports of Sweden,
but its absolute as well as relative importance has of låte been
considerably decreasing. A general view of the imports, exports, and
consumption of wrought iron in Sweden is to be had by Table 106, p. 726.
In 1900, there were exported 21,897 tons of blooms and rough bars, 165,583
tons of rolled or forged bars, 5,073 tons of bar ends, and 5,143 tons of
wirerods, the value of all which amounted to a total of 37-si million
kronor, thus forming 75 % of the total exports of Sweden in unwrought
iron and steel for this same year.
Tab. 105. Wrought iron production of Sweden.1) Metric tons à 2,204 lbs.
Average for
the years
No. of
worka.
Prod
action.
Tons.
Per
works.
Tona.
Years.
No. of
works.
[-Production.-]
{+Produc-
tion.+}
Tons.
I 1861/66 ..................425 136,828 322
1866/70 ..................392 176,544 450
: 1871/75 ..................223 178,661 553
I 1876/80 ..................296 213,163 720
1881/85 ..................252 262,194 1,040
I 1886/90..............186 260,434 1,400
i 1891/95..................130 276,370 2,126
1896/00..................108 320,670 2,969
189 6........................125 294,135 2,353
18%......................119 321,615 2,703
189 7........................107 309,715 2,895
189 8........................107 306,348 2,863
189 9........................104 335,706 3,228
190 0........................103 329,965 3,203
’) Bar Iron and bar steel, etc.; cf. note 5, p. 707.
Per
works.
Tons.
<< prev. page << föreg. sida << >> nästa sida >> next page >>
