The main application scope of API 5l seam welded pipe is for Petroleum and natural gas industries, steel pipe for pipeline transportation systems. GK steel pipe company always sell the high-quality pipes which must meet with the international standard API 5L.
1. Composition and Mechanical properties of commonly used carbon steel alloy steel.
2. Seemless steel pipe, welded pipe, etc.
3. A series international universal series, domestic series.