hollow section spiral steel pipe

hollow section spiral steel pipe

SSAW ( Spiral Submerged-arc Welded)

Size range: Outer Diamter: 219mm - 2420mm ( 8" - 126" ) 
Wall Thickness: 2.5 mm - 25.4mm
Length: 6mtr-18mtr
Usage: Low pressure liquid delivery, such as water, oil, gas. Or structure pipe
Quality standard: API 5L, ASTM A252, BS EN10025, DIN EN 10217, ASTM A53 BS534, AWWA C-200
Steel Grade: Q235, Q345, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St37, St44, ST52
ASTM A 53: Gr. A, Gr B
API 5L: A, B, X42, X46, X52, X56, X60, X65 X70
GB/ T9711: L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555
ASTM A252: Gr. 1 Gr. 2 Gr. 3
Outside coating: 
Anti-rust oil, black painting.
Epoxy Coating according to AWWA C-210
Bitumen Coating according to DIN30672, BS534
Coal- Tar Enamel Coating according to AWWA C-203
3 Layer polyethylene Coating according to DIN30670
3 Layer Polypropylene Coating according to DIN30678
Inside lining: 
Epoxy lining according to AWWA C-210
Bitumen Lining according to DIN30673, BS534
Coal-Tar Enamel Lining according to AWWA C-203
Cement Mortar Lining according to AWWA C-205, BS534