Standard: AREMA or ASTM, BS, UIC
Specification: 14×14×150, 16×16×165, 3/8.1/2. etc.
Grade: Normal and high strength.
Materials: Carbon steel and stainless steel.
Protection: Black, Zinc Plated, Hot dipped Galvanized.
Market: Britain, Spain, Belgium, Germany, and other European countries as well as the United States, Canada, Chile, Brazil, the Americas, also of Australia, Indonesia and other Southeast Asian countries, Japan and South Korea for a long time, Russia, and other various parts of the world to provide