Hebei Huayang Steel Pipe Co., Ltd is one of the leading manufacturers and suppliers of lsaw welded pipe dn1250 en10219 s420 for heavy load bridge construction in China. Please feel free to buy cheap lsaw welded pipe dn1250 en10219 s420 for heavy load bridge construction from our factory. All customized products are with high quality and low price.
High-Load DN1250 LSAW Structural Pipes for Bridge Construction Foundations
Huayang's DN1250 LSAW pipes utilizing EN10219 S420 structural steel provide the massive load-bearing capacity and axial stiffness required for heavy-duty bridge engineering.
|
Technical Parameter |
Specification Value |
|
Material Grade |
EN10219 S420 (S420MH/MLH) |
|
Yield Strength |
≥ 420 MPa (60,900 psi) |
|
Tensile Strength |
500 – 660 MPa (72,500 - 95,700 psi) |
|
Outer Diameter |
1270.0 mm (DN1250 / NPS 50) |
|
Weld Process |
Double-Sided LSAW (JCOE) |
This ultra-large diameter structural solution ensures exceptional seismic resilience and compressive strength, safeguarding critical transport infrastructure and deep-foundation piling projects.
Advanced Structural Performance in Heavy-Duty Bridge Engineering
Engineered for the extreme demands of modern infrastructure, Huayang's DN1250 EN10219 S420 pipes feature a high-yield fine-grain steel body optimized for heavy load-bearing applications. The 1270mm LSAW sections are manufactured through the advanced JCOE cold-forming process, which ensures superior dimensional roundness and straightness-essential for efficient load distribution in bridge piers and foundation piles. The S420 specification provides a significant strength-to-weight advantage over standard grades, allowing for leaner structural designs without compromising on safety or durability. Following precision double-sided submerged arc welding, each pipe undergoes rigorous non-destructive evaluation (NDE), including automated ultrasonic and radiographic testing, to ensure weld-zone integrity under dynamic traffic loads and environmental stressors. As a premier industrial manufacturer, Huayang delivers these high-strength conduits with precise end-beveling, providing a reliable, high-performance solution for trans-oceanic bridges, high-speed rail viaducts, and large-scale urban infrastructure.
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