Simpl specification:
1,API SPEC 5L
2,PipeGB/T9711.1petroleum 
3,cheap price

detailed specification:
Excute Standard
API SPEC 5L Specification for Line PipeGB/T9711.1 Petroleum and natural gas industries Steel pipe for pipelines Technical delivery conditions SY/T5037 Spiral submerged arc welded pipe for low pressure liquid transportation

Used for
Petroleum and natural gas industry, chemical industry, electric industry, flammable and non-flammable liquid transportation and steel construction, drainage project and city construction etc.
Material
Q235Q345L175-L360 or according to the customer's requirements.
Length
6m-12m or accroding to the customers requirements.