â¢ Surname is the family name or the last name of a person, whereas first name is the unique name given to a person at birth, also referred to as his Christian name. â¢ Surname is passed down generations, whereas first names are unique depending upon physical attributes or circumstances at birth of a kid.
Products List. Perforated steel pipe is the most inexpensive and popular device for automobile exhaust system, filtration elements and decorative applications. Aluminum perforated tube have excellent corrosion resistance and high strength-to-weight ratio. It is ideal for the places where have strict requirements of weight.
The pipe making capacity for spiral pipe has grown substantially over time. In major producing countries, like the U.S. and Turkey, the spiral pipe making capacity is far larger than the straight seam pipe making capacity.he real issue is not whether a pipe is helically welded or longitudinally welded; the issue is who made the pipe and what technology was used with what experience â regardless whether it is longitudinally or helically welded pipe.