SSAW (Spiral Submerged-arc Welded)
Quality standard:
API 5L  Gas and petroleum pipelines
GB/T9711 Petroleum and natural gas industries--Steel pipe for pipelines
SY/T5037 Spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service
SY/T 5040 Spiral submerged arc-welded steel pipe piles
CJ/T 3022 Spiral submerged-arc welded steel pipe for municipal heat supply
IS : 1978 Steel tubes for use in transportation of oil; gas & Petroleum products
ASTM A252 WELDEDAND SEAMLESS STEEL PIPE PILES
BS534, BS 3601 DIN 1626, DIN 2460,TS1997, UNI 6363, AWWA C-200

Steel Grade:
Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8
 S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33,St37, St44, ST52
ASTM A 53: Gr. A, Gr B, Gr C, Gr.D
API 5L: A, B, X42, X46, X52, X56, X60, X65 X70
GB/T9711: L175, L210, L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555
ASTM A252: Gr.1 Gr.2 Gr.3

Size range:
Outer Diamter: 219.1mm - 3012mm

Wall Thickness: 3.2 mm - 25.4mm
Length: 6mtr-18mtr

coating and lining:
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