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News
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Back Purging Techniques for Welding Hastelloy C22 and C276 Pipes: Ensuring Root Pass Integrity in Critical Service
2026/06/12Back Purging Techniques for Welding Hastelloy C22 and C276 Pipes: Ensuring Root Pass Integrity in Critical Service You’ve specified genuine Hastelloy C22 or C276 for a high-temperature, corrosive chemical line. The material arrives with full tr...
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Desalination Plant Piping: Why 2205 Duplex Is Replacing 316L in High-Pressure RO Systems
2026/06/04Desalination Plant Piping: Why 2205 Duplex Is Replacing 316L in High-Pressure RO Systems Seawater reverse osmosis (SWRO) is the backbone of modern desalination. But the piping inside a high-pressure RO system faces one of the most aggressive environm...
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5 Most Common Failure Modes in Duplex Stainless Steel Pipes and How to Prevent Them
2026/06/035 Most Common Failure Modes in Duplex Stainless Steel Pipes and How to Prevent Them Duplex stainless steel – particularly 2205 and 2507 – is renowned for its strength and chloride corrosion resistance. But it is not indestructible. When d...
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Hastelloy C22 Lined Carbon Steel Pipes: A Cost-Effective Alternative for Large-Diameter Acid Service Lines
2026/05/14Hastelloy C22 Lined Carbon Steel Pipes: A Cost‑Effective Alternative for Large‑Diameter Acid Service Lines When you need to handle highly corrosive acids—hydrochloric, sulfuric, or hot contaminated acetic—over long distances and in large ...
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Handling and Storage Best Practices for Super Duplex Pipe Fittings: Avoiding Surface Contamination and Mechanical Damage
2026/05/13Handling and Storage Best Practices for Super Duplex Pipe Fittings: Avoiding Surface Contamination and Mechanical Damage Super duplex stainless steel pipe fittings—grades such as UNS S32750 (2507) and S32760 (Z100)—are high‑value componen...
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Field Heat Treatment of Hastelloy Pipe Welds: Why Local PWHT Is Rarely Needed and When It’s Mandatory
2026/05/12Field Heat Treatment of Hastelloy Pipe Welds: Why Local PWHT Is Rarely Needed and When It’s Mandatory If you have worked with carbon steel or low‑alloy steel pipe, you know that post‑weld heat treatment (PWHT) is routine – it relieves res...
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Bending Duplex 2205 Seamless Tubes: Minimum Bend Radii, Springback Compensation, and Heat Treatment After Cold Forming
2026/05/11Bending Duplex 2205 Seamless Tubes: Minimum Bend Radii, Springback Compensation, and Heat Treatment After Cold Forming Duplex 2205 (UNS S32205 / S31803) seamless tubes are widely used in offshore platforms, chemical plants, heat exchangers, and desal...
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Intergranular Corrosion in Hastelloy C276 Tubes: Why Sensitization Occurs During Welding and How to Avoid It
2026/05/08Intergranular Corrosion in Hastelloy C‑276 Tubes: Why Sensitization Occurs During Welding and How to Avoid It Hastelloy C‑276 (UNS N10276) is the workhorse nickel‑chromium‑molybdenum alloy for severe corrosive environments—wet chlorine, hydroch...
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Custom-Bent Duplex Steel Pipes for Subsea Jumper Spools: Tolerance Control and NDT Requirements per API 17J
2026/05/07Custom-Bent Duplex Steel Pipes for Subsea Jumper Spools: Tolerance Control and NDT Requirements per API 17J Subsea jumper spools connect manifolds, wellheads, and flowlines on the seabed. They must accommodate thermal expansion, dynamic loads, and in...
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Seawater Cooling Piping for LNG Plants: Why 6% Moly Super Austenitic Is Sometimes Chosen Over Duplex 2507
2026/05/06Seawater Cooling Piping for LNG Plants: Why 6% Moly Super Austenitic Is Sometimes Chosen Over Duplex 2507 When you design the seawater cooling system for a liquefied natural gas (LNG) plant – whether baseload (onshore) or floating (FLNG) &ndash...
