Pipeline Projects – TIANYUAN(HK) INTERNATIONAL LIMITED

Pipeline Project Examples

Project Type	Typical Scope	Typical Line Pipe
Crude oil / condensate transmission	Trunklines, pump stations, metering skids	API 5L Gr.B, X42–X70; seamless / ERW / LSAW
Natural gas transmission & distribution	Gathering lines, city gas, pressure regulating stations	API 5L Gr.B, X52, X60; 3LPE / FBE coated
Refinery & petrochemical interconnecting	Process piping, flare lines, utility & steam lines	API 5L / ASTM A106 / A333; seamless
Water injection / produced water	Oilfield waterflood, seawater, desalination	API 5L Gr.B, L245; cement / epoxy lined
Hydrogen / CO2 / ammonia	H2 blending, CCS, CO2 injection, ammonia transfer	API 5L Gr.B–X65; special grades on request
LNG / terminal piping	Regasification, low-temp transfer	ASTM A333, A312; cryogenic service
Power plant piping	Cooling water, steam, FGD, boiler feed	A106, A335, API 5L
Slurry / mining pipelines	Iron ore, coal, copper concentrate	API 5L Gr.B–X70; wear-resistant options

Line pipe supply – Seamless, ERW, LSAW; API 5L Gr.B / X42 / X52 / X60 / X65 / X70; GB/T 9711 L245–L450.
Fittings & flanges – Elbows, tees, reducers, caps; WN, SO, BL, LJ flanges; gaskets & bolting.
Valves – Gate, globe, check, ball, butterfly; API / ASME compliant.
Coating & lining – 3LPE, FBE, epoxy, galvanized, cement lining.
Fabrication – Cutting, beveling, bending, welding, spooling, kitting.
Inspection & documentation – MTR EN 10204 3.1/3.2, PMI, UT/RT, hydrotest, ITP, traceability.
Logistics – Tagging, marking, export packing, door-to-door delivery, customs support.
Project support – Specification review, material selection, expediting, stock reservation, single point of contact.