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 - 4064mm (8" - 160")

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