Hebei Huayang Steel Pipe Co., Ltd is one of the leading manufacturers and suppliers of lsaw carbon steel pipe dn1350 api 5l x65 for large diameter water pipeline systems in China. Please feel free to buy cheap lsaw carbon steel pipe dn1350 api 5l x65 for large diameter water pipeline systems from our factory. All customized products are with high quality and low price.
High-Capacity DN1350 LSAW Conduits for Strategic Water Infrastructure
Huayang's DN1350 LSAW pipes utilizing API 5L X65 steel provide the exceptional yield strength and hydraulic efficiency required for large-diameter municipal and industrial water pipeline systems.
|
Technical Parameter |
Specification Value |
|
Material Grade |
API 5L X65 (L450) |
|
Yield Strength |
≥ 450 MPa (65,300 psi) |
|
Tensile Strength |
≥ 535 MPa (77,600 psi) |
|
Outer Diameter |
1371.6 mm (DN1350 / NPS 54) |
|
Weld Process |
Double-Sided LSAW (JCOE) |
This ultra-large diameter piping solution ensures superior pressure containment and operational longevity, safeguarding critical water distribution networks in trans-regional irrigation and urban utility frameworks.




Advanced Structural Reliability in Large-Scale Fluid Logistics
Engineered for the rigorous demands of strategic water utility infrastructure, Huayang's DN1350 API 5L X65 pipes feature a high-performance carbon steel body optimized for high-volume fluid service. The 1371.6mm LSAW units are manufactured using the advanced JCOE cold-forming process, which ensures superior dimensional roundness and a high-quality longitudinal weld-essential for maintaining structural integrity under significant internal pressures. The X65 specification provides a robust 450 MPa yield threshold, offering a high strength-to-weight ratio that optimizes material consumption in expansive municipal reticulation layouts. As a premier industrial manufacturer, Huayang subjects each DN1350 unit to 100% automated ultrasonic inspection and rigorous hydrostatic verification, delivering a durable, high-integrity conduit that minimizes frictional head loss and structural fatigue in high-capacity water transmission networks.
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