Seattle's mild winters and cool summers enable year-round outdoor activities. High temperatures in July average about 75 F (24 C), while low temperatures in winter drop below freezing an average of only 15 days per year. Seattle averages 158 days of measurable rain and 226 days of some cloud cover per year. Both most often occur in the winter and during the night. Seattle is in the direct path of the highly unstable Puget Sound Convergence Zone which makes local weather forecasting as much an art as a science.
Cold rolled steel is much more preferred in the machining world where the quality of the steel is an important factor of the quality of the final product, and the appearance of the steel is also an important factor.
The following are some of the key differences in hot rolled vs cold rolled steel: Hot rolled steel is rolled or shaped at a high temperature while cold rolled steel is rolled at room temperature. Cold rolled has a smooth and shiny finish while hot rolled has a grey and scaly finish.