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Tianjin Wanlei Steel Pipe Co.,Ltd
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JIS G3457 Arc Welded Steel Pipe of Robust Seam Integrity
Manufactured via advanced submerged arc welding, JIS G3457 steel pipes feature robust seam integrity and uniform stress distribution. Designed for large-diameter piping systems, they deliver reliable, leak-proof performance in low-pressure water, steam, and gas transmission applications.
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of JIS G3457 Arc Welded Steel Pipe of Robust Seam Integrity in China, featured by quality products and low price. If you're going to wholesale durable JIS G3457 Arc Welded Steel Pipe of Robust Seam Integrity made in China, welcome to get pricelist and free sample from our factory.
JIS G3457 Arc Welded Steel Pipe of Robust Seam Integrity
product Introduction
JIS G3457 Arc Welded Steel Pipe of Robust Seam Integrity offers an unbeatable combination of structural reliability and cost-efficiency for large-scale infrastructure projects. By utilizing advanced double-sided submerged arc welding, this pipe achieves deep-penetration welds that virtually eliminate seam vulnerabilities, ensuring uniform stress distribution and superior pressure resistance. Its unique spiral or longitudinal manufacturing process allows for the production of large-diameter pipes from narrower steel coils, significantly optimizing material costs without compromising strength. Furthermore, rigorous non-destructive testing (NDT) and hydrostatic pressure verification guarantee zero-defect delivery, making it the ultimate, budget-friendly solution for municipal water, steam, and gas transmission networks.
product specification
|
Product name |
Arc Welded Steel Pipe |
|
Place of origin |
Tianjin China |
|
Brand |
WL |
|
Standard |
JIS G3457 |
|
Material grade |
STPY400 |
|
Out diameter |
355.6mm-2032mm |
|
Wall thickness |
6mm-15.9mm |
|
Length |
3m-12m or customized length |
|
Surface treatment |
Black painting, varnish painting, zinc coated or as per clients' requirements. |
The dimensions table of JIS G3457 welded steel pipe
This JIS G3457 weight specification table precisely correlates nominal diameter and wall thickness to determine the steel pipe's unit weight. It covers a comprehensive range of outside diameters from 350A to 2000B, paired with wall thicknesses varying from 6.0 mm to 15.9 mm, with all values expressed in kg/m. Crucially, the footnote mandates that when specifying dimensions, the letter suffix A or B must be appended to the nominal diameter numeral to distinguish between the two diameter series, ensuring accurate material selection for engineering applications.
Product feature and application
Based on the visual evidence in the provided images, the JIS G3457 Arc Welded Steel Pipes exhibit distinct physical characteristics that reflect their industrial utility and robust manufacturing standards. The pipes are shown stacked in large, organized bundles, highlighting their availability in substantial quantities for major infrastructure projects. Visually, they feature a smooth, dark metallic surface-likely indicative of a black oxide or protective coating-which suggests resistance to environmental corrosion during storage and transport. The consistent circularity of the pipe openings and the uniform wall thickness visible at the cut ends demonstrate high manufacturing precision, ensuring reliable fit-up during welding and installation. Furthermore, the sheer scale of the pipes, particularly in the outdoor yard setting with heavy lifting equipment in the background, underscores their suitability for large-diameter applications such as main transmission lines or structural piling, where structural integrity and volume capacity are paramount.
Prodection details
JIS G3457 arc welded steel pipes are characterized by their robust seam integrity and uniform stress distribution. Manufactured using advanced submerged arc welding technology, they feature deep-penetration welds that effectively eliminate structural vulnerabilities at the seams. This production method not only ensures superior pressure resistance but also supports the creation of large-diameter pipes, perfectly balancing mechanical strength with cost-efficiency. These pipes are primarily utilized in low-pressure fluid transmission systems, such as municipal water supply networks, steam distribution, gas pipelines, and general fluid conveyance. Backed by rigorous non-destructive testing to guarantee leak-proof performance, they serve as a highly reliable and economical piping solution for large-scale infrastructure and industrial projects.
Deliver,shipping and serving
why choose us
'lt is awesome to work with Creative. amazingy organized,easy to communicate with. responsive with next iterations,and beautiful work.
Premium Material Quality
We utilize high-grade steel coils compliant with JIS G3457 standards, ensuring superior tensile strength and corrosion resistance. Every pipe undergoes strict chemical analysis to guarantee durability in harsh industrial environments.
Advanced Welding Tech
Our submerged arc welding process creates deep-penetration seams with uniform stress distribution. This advanced technique eliminates structural vulnerabilities, offering pressure resistance that exceeds standard industry requirements for safety.
Rigorous Quality Control
Each batch is subjected to comprehensive non-destructive testing and hydrostatic pressure verification before shipment. We ensure zero-defect delivery with precise dimensional tolerances, making installation seamless and leak-proof.
Global Supply Capability
With a massive inventory of large-diameter pipes ready for immediate dispatch, we support large-scale infrastructure projects worldwide. Our efficient logistics network ensures timely delivery to meet your critical construction deadlines.
About us
FAQ
Q: What are the primary applications for JIS G3457 pipes?
A: These pipes are designed for low-pressure fluid transport, including municipal water, steam, and gas systems. Their superior weldability and sealing make them ideal for general infrastructure and industrial piping projects requiring reliable performance.
Q: How is corrosion resistance ensured during storage and use?
A: Pipes typically feature a black oxide finish or anti-rust oil to prevent environmental corrosion during transit. For harsh underground or humid conditions, we recommend applying additional epoxy or 3PE coatings to significantly extend service life.
Q: Do you support customization for large diameters or special specs?
A: Yes, our advanced submerged arc welding lines allow us to manufacture large-diameter and thick-walled pipes. We can also customize specific lengths, wall thicknesses, and end bevels based on your engineering drawings to ensure precise project fitment.
Q: What quality tests are performed before shipment?
A: Every batch undergoes strict non-destructive testing, including ultrasonic and radiographic inspections, to verify weld integrity. Additionally, hydrostatic pressure tests and dimensional checks are conducted to ensure zero defects and full compliance with JIS standards.
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