News

  • API 5L Technical Breakdown: Grades, PSL1 vs. PSL2

    API 5L Technical Breakdown: Grades, PSL1 vs. PSL2

    In the pipeline industry, API 5L is the standard that keeps everything together. But if you look closely at the spec, it’s not a “one size fits all” document. Choosing between a API 5L Grade B and an API 5L X70, or deciding if a project actually requires PSL2, is where the engineering...
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  • Square & Rectangular Steel Tube Weight and Volume Calculator

    Square & Rectangular Steel Tube Weight and Volume Calculator

      Exclusive Formula by Yuantai Derun: The calculation formulas used in this tool are derived and refined by Yuantai Derun Group through extensive manufacturing data analysis and rigorous engineering derivation. Unlike generic calculators, our optimized algorithm ensures minimal error margin...
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  • 14 Pipe Connection Methods: How Many Do You Really Know?

    14 Pipe Connection Methods: How Many Do You Really Know?

      Quick Navigation 1. Flange Connection 2. Threaded Connection 3. Butt Welding 4. Socket Connection 5. Socket Welding 6. Grooved Connection 7. Metal Clamp Connection 8. Ferrule / Compression Connection 9. Press-fit Connection 10. Hot-Melt Connection 11. Electrofusion Connection 12. Heat-Shrinka...
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  • High Strength Steel Guide: From S355 to S960 Grades

    High Strength Steel Guide: From S355 to S960 Grades

    In the world of structural engineering, moving beyond standard carbon steel is no longer a luxury—it is a necessity for performance and sustainability. High Strength Steel, or HSS, allows for leaner designs, reduced welding volumes, and significantly lower transportation costs. However, the namin...
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  • Slab Scarcity Drives Indonesia Steel Prices to New Highs

    Slab Scarcity Drives Indonesia Steel Prices to New Highs

    The Indonesian steel market is currently seeing a major price rally. Driven by raw material shortages and geopolitical disruptions, HRC prices hit new highs on April 13, 2026. But despite the strong mill offers, buyers are pushing back, leading to a pricing standoff in the market. HRC Prices: The...
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  • Solving Structural Challenges: Visit YTDR at Tube  Düsseldorf 2026

    Solving Structural Challenges: Visit YTDR at Tube Düsseldorf 2026

    As global infrastructure projects become increasingly complex, the demand for high-precision structural steel continues to rise. At Tube 2026 in Düsseldorf (April 13–17), YTDR will showcase how our specialized manufacturing processes support the world’s most demanding foundations and frameworks. ...
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  • Blow vs. Hanging: Choosing the Best HDG Steel Tube

    Blow vs. Hanging: Choosing the Best HDG Steel Tube

    When specifying structural steel hollow sections (SHS/RHS), the distinction between Blow-galvanizing and Hanging-galvanizing is often overlooked. However, for engineers and procurement officers, this choice is the difference between a high-precision component and a heavy-duty industrial asset. ...
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  • Why ISO 9001 Is More Than Just a Certificate in Steel Procurement

    Why ISO 9001 Is More Than Just a Certificate in Steel Procurement

    In the global steel trade, the phrase “ISO 9001 Certified” is so common that it’s often dismissed as just another line in a company brochure. However, for a procurement officer managing a multi-million dollar pipeline project or a structural engineer responsible for public safety, th...
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  • Exploring NDT in Steel Pipe Manufacturin

    Exploring NDT in Steel Pipe Manufacturin

    In the high-stakes world of steel manufacturing, a pipe is only as good as its weakest point. Whether it’s a long-distance hydrogen pipeline or the structural skeleton of a skyscraper, the integrity of that steel is non-negotiable. This is where Non-Destructive Testing (NDT) moves from a “c...
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  • Why 500×500 Square Steel Pipes Are Difficult to Produce

    Why 500×500 Square Steel Pipes Are Difficult to Produce

       The production of 500 x 500 mm Square Hollow Section (SHS) is a benchmark of industrial capability. While standard structural tubing is a common commodity, these large-scale sections belong to a specialized “heavyweight” class of engineering. The reason many countries lack the...
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  • Hardness Testing of Carbon Steel Pipe: An Expert Guide

    Hardness Testing of Carbon Steel Pipe: An Expert Guide

    In the daily operations of a steel mill or a construction site, hardness testing is far more than a routine check—it’s the fastest way to verify if a pipe is actually fit for purpose. Whether you are inspecting LSAW for a high-pressure line or hollow sections for a stadium frame, the hardness val...
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  • Mastering the Grain: Why Thermal Uniformity is the Secret to Superior Steel Pipes

    Mastering the Grain: Why Thermal Uniformity is the Secret to Superior Steel Pipes

    In the heavy-duty world of steel manufacturing, heat treatment is often called the “invisible heart” of the process. You can’t see it in the finished product with the naked eye, but you can certainly feel it when a pipe either stands strong under immense pressure or snaps under a sud...
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