Both cast iron and wrought iron are susceptible to corrosion over time when their bare surfaces are exposed to the elements. That’s why both materials will require finishing and regular maintenance. However, cast iron generally rusts more slowly than wrought iron and thus can go longer intervals between upkeep.
Aesthetic Appeal
The Functionality of Sliding Door Runner Wheels
Depending on the aspect of their application, their cross-sectional shapes can vary. Generally speaking there are four main cross-sectional shapes of fixed window profiles: flat, round, unequal polygon and equal polygon. Among them, the plane type is commonly used in door frames, wall corner lines, etc.; round profiles are mainly used for aluminum alloy pipes; unequal polygons and equal polygons are commonly used for window frames, partitions, etc.
4. Door profile