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DN1250 LSAW Water Mains in ASTM A53 Grade B
The ASTM A53 Grade B specification provides the structural backbone and high-pressure resilience necessary for large-scale municipal water conservancy and regional hydraulic transmission systems.
|
Technical Parameter |
Specification Detail |
|
Product Type |
LSAW (Longitudinal Submerged Arc Welded) |
|
Standard / Grade |
ASTM A53 Grade B |
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Nominal Diameter |
DN1250 (50-inch / 1270mm) |
|
Tensile Strength |
Minimum 415 MPa (60,000 psi) |
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Yield Strength |
Minimum 240 MPa (35,000 psi) |
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Max Wall Thickness |
Up to 50mm (Huayang Capability) |
Huayang's DN1250 LSAW pipes combine high-tensile carbon steel with precision German molding, delivering zero-leakage performance for the world's most demanding high-volume water infrastructure and urban utility networks.
Engineering the Flow: Huayang's Large-Diameter LSAW for Water Conservancy
Huayang Steel Pipe utilizes specialized longitudinal submerged arc welding (LSAW) production lines to manufacture DN1250 ASTM A53 Grade B pipes, specifically optimized for long-distance, high-volume water transmission. Our DN1250 pipes feature a robust 240 MPa minimum yield strength, allowing for optimized wall thickness designs that reduce material costs while maintaining a high safety factor against hydraulic surges. By employing a one-time cold-forming process imported from Germany, we achieve superior pipe concentricity and straightness, which is critical for reducing friction loss and ensuring efficient field jointing in massive municipal projects. Each pipe is subjected to 100% automated ultrasonic and X-ray inspection of the longitudinal seam, followed by high-pressure hydrostatic testing to guarantee absolute integrity. Combined with our advanced internal epoxy lining and external 3LPE coating capabilities, Huayang's LSAW pipes provide a 50-year service life solution for critical water conservancy and irrigation infrastructure worldwide.
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