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Reliable Pipe Systems for Global Infrastructure

Steel and plastic pipe systems, industrial fittings and flanges with export packing and project supply support.

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PRODUCT FAMILIES

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01Carbon Steel Pipe 02Stainless Pipe 03Threaded Fittings 04Butt-Weld Fittings 05Flanges

Seamless Carbon Steel Pipe

Fluid, structural and oil & gas pipelines

Material: 20#, Q345B, API 5L Grade B, ST52
Outer diameter: 25 - 300 mm
Wall thickness: 3 - 20 mm
Standards: GB/T 8162, GB/T 8163, API 5L, ASME B36.10
Working pressure: 1.6 - 35 MPa
Temperature: -40°C to 450°C

Stainless Steel Seamless Pipe

304 / 316L corrosion-resistant pipeline

Material: SS304, SS304L, SS316, SS316L
Outer diameter: 10 - 325 mm
Wall thickness: 1.5 - 15 mm
Standards: GB/T 14976, ASTM A312, TP304/TP316L
Pressure resistance: 2.5 - 40 MPa
Features: Corrosion and heat resistant; food / chemical grades available

Stainless Steel Threaded Fittings

Elbows, tees and couplings

Material: 304 / 316L Stainless Steel
Size: DN15 (1/2") - DN50 (2")
Thread: BSPT, NPT
Rated pressure: 1.6 MPa
Temperature: -20°C to 120°C

Steel Butt-Weld Fittings

Elbows, tees and reducers for industrial pipelines

Material: 20# Carbon Steel, Q345B, 304, 316L
Size range: DN15 - DN300
Standards: GB/T 12459, ASME B36.19, ISO 3419
Process: Hot forming, seamless pushing and integral forging

Plate / Weld-Neck Flanges

Industrial pipeline connection components

Type: Plate Flange (PL), Weld-Neck Flange (WN)
Material: Carbon steel, stainless steel 304 / 316L
Pressure class: PN10, PN16, PN25, PN40
Sealing face: RF, MFM
Size: DN15 - DN400

Engineering notePressure, temperature and material suitability must be confirmed against the applicable project standard before ordering.

ABOUT RUIYU

Practical supply for distributors and engineering projects

Shaanxi Ruiyu Electronic Technology Co., Ltd. combines manufacturing resources with responsive trade services, helping overseas buyers source pipes, fittings and project-specific products efficiently.

Distributor supplyProject listsOEM / ODM

PRODUCT RANGE

Core pipe systems

Specifications and colors are confirmed against your inquiry list.

PE-RT Floor Heating Pipe

Flexible coils for underfloor heating and comfort home systems.

PPR / PE-RT Coil Systems

Multiple diameters, wall thicknesses and packing options.

PE Water Supply Pipes

For municipal water, irrigation and industrial transfer.

Matched Pipe Fittings

Elbows, tees, couplings and project-list matching.

COMPANY STRENGTH

Responsive trade service backed by production resources

We support overseas distributors and engineering buyers from specification matching through export packing and shipment.

Product matchingPipe, fitting and flange combinationsTechnical confirmationMaterial, size, pressure and standardExport deliveryPacking, inspection and logistics