This article is wrote for those customers who are not so sure for which kind of steel pipe they need. As a fresh man in steel pipe industry, some clients would ask our advice for seamless steel pipe, stainless steel pipe or other steel pipe. Today, we would make an outline for you and you can have a basic information for it. From the list above, we can get basic idea for the steel pipeâ??s choosing direction: There are five main categories for steel pipe in Threewaysteel: 1. Seamless steel pipe (carbon, steel pipe, stainless steel pipe, alloy steel pipe); 2. ERW steel pipe (carbon, steel pipe, stainless steel pipe, alloy steel pipe, SHS/RHS steel pipe, galvanized steel pipe); 3. LSAW steel pipe ( structural steel pipe, fluid transportation pipes, external anticorrosive coating, internal anticorrosive coating ); 4. SSAW steel pipe (structural steel pipe, fluid transportation pipes); 5. Pipe fittings.