Corrugated Steel Sheets Specification: Various Profiles, Thicknesses and Sizes Seamless Pipes Specification: Various Diameters, Wall Thicknesses, Grades and Lengths. Seamless Pipes Elbows Specification: Sizes from 0.5" to 12", with Various Thicknesses and Grades Slitting Coils Steel coils slit into customized widths according to customer requirementsThicknesses from 0.2mm / 4 mm Welded Pipes Specification: Sizes from 16 × 16 mm to 120 × 120 mm, with Wall Thicknesses from 0.8 to 6 mm and Various Lengths.