Specification :

ERW HFI , EFW, LSAW, DSAW:
GB/ T3091 Welded steel pipe for low pressure liquid delivery
GB/ T9711 Petroleum and natural gas industries--Steel pipe for pipelines
IS: 3589 Steel tubes for water and sewage
IS : 1978-1982 Steel tubes for use in transportation of oil; gas & Petroleum products
BS: 1387 Steel Tubes for use for Water, Gas, Air and Steam
ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
DIN 2458 WELDED STEEL PIPES AND TUBES
EN10217 Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties
API 5L Line Pipe
SAW SSAW:
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
Coating Standard:
ANSI/ AWWA C104/ A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water
ISO 21809 Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems
DIN 30670 Polyethylen coatings of steel pipes and fittings