Compare
Cast-iron Sewers with stoneware sewers.
Sr. No.
|
CAST
IRON SEWER
|
STONE
WARE SEWER
|
1.
|
Cast
in sand-molds by pouring molten cast iron.
|
Molded
by mixing clay, crushed stone powders and water & then burnt for obtaining
better fusion.
|
2.
|
Does
not get eroded.
|
Can
get eroded over a period of time.
|
3.
|
Relatively
strong.
|
Relatively
weak.
|
4.
|
Can
withstand higher pressure.
|
Not
suitable for high water pressure.
|
5.
|
Costlier
|
Cheaper.
|
6.
|
Lead
is used for connecting the joints.
|
Cement
is used for connecting the joints.
|
7.
|
Cannot
be deteriorated by worms/termites.
|
May
get attacked by termites/worms.
|
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