Tianjin Sanjuyuan Trade Co., Ltd is a famous trading company which specializes in high quality seamless steel tubes/pipes and many kinds of alloy pipes,stainless steel pipes, copper tubes, aluminum tubes. Our company can also supply all kinds of high pressure boiler tubes, low and medium pressure pipes, oil cracking pipes, oil bushing pipes, chemical fertilizer pipes, fluid pipes, structure pipes, hydraulic prop pipes and line pipes.

Products:API 5L seamless pipeline
Standards of seamless pipeline: API 5L GB/T9711
Material of seamless pipeline: A B x42 x46 x52 x56 x60 x65 x70 x80
Specification of seamless pipeline: 32-1240*3-100mm

Application of seamless pipeline
1) Petroleum Pipelines
2) Natural Gas Pipelines
3) Coal Gas Pipelines
4) Water Supply Pipelines
5) Drainage Water Pipelines
6) Heat Supply Network Pipelines
7) Pressurized Air Pipelines
8) Common Gas Pipelines
9) Construction Foundation Pipelines
10) Steel Structure Building and Bridges
11) Airports -eaports and Docks etc.