Welded pipes:
1. ERW ASTM A106 A53. API 5L GR. B B X42 X46 X52 Specification: Out-diameter 33.4-609.6mm Thickness 6-12mm

2. SAW ASTM A106 A53. API 5L GR. B B X42 X46 X52

(1) SSAW: Out-diameter 219-12420mm Thickness 6-20mm

(2) LSAW: Out-diameter 406-1320mm Thickness 10-38mm