eddy current testing

When your boiler runs at 650°C and 150 bar, there’s no room for error. The wrong tube doesn’t just cause downtime—it creates safety risks, regulatory nightmares, and multi-million dollar losses. At Shanghai Maxmetal, we supply premium seamless boiler tubes engineered to thrive under extreme conditions, meeting the world’s most stringent standards.   Why Standards Matter: Decoding the Alphabet Soup Not all boiler tubes are created equal. Different applications demand specific material properties. That’s why we stock four core standards, each a benchmark in its own right: ASTM A179: The Heat Transfer Champion Low-carbon seamless steel designed for one job: moving heat efficiently. Perfect for surface condensers and heat exchangers where thermal conductivity is king. ASTM A192: The High-Pressure Workhorse When your boiler system demands brute strength, A192 delivers. Engineered for high-pressure carbon steel applications, it’s the backbone of reliable steam generation. ASME SA213: The Alloy Power Player Chrome-moly alloys (T11/T12/T22) built for superheaters and reheaters. These tubes laugh at temperatures up to 650°C, resisting creep and oxidation when ordinary steel would fail. For ultra-critical applications, grades like T91 and T92 add vanadium, niobium, and nitrogen for next-level performance. DIN 17175: The European Standard-Bearer German-engineered alloy grades like 15Mo3 and 13CrMo44 ensure compliance with European projects while delivering exceptional high-temperature strength. TU 14-3P-55-2001: The Russian Standard For projects requiring Russian certification, this standard ensures full compliance with GOST-equivalent quality requirements for high-pressure boilers. What Makes Our Boiler Tubes Battle-Ready? Creep Resistance: Up to 650°C continuous operation without deformation Oxidation Protection: Withstands aggressive flue gas environments Seamless Reliability: No welds mean no weak points Global Compliance: One supplier, multiple certifications—simplifying your procurement Size Flexibility: Outer diameter from 15mm to 630mm, wall thickness 1.5mm to 35mm Every tube undergoes mandatory hydrostatic testing, eddy current inspection, and ultrasonic testing. We supply EN 10204 3.1/3.2 certification and maintain full traceability from billet to finished product. From Raw Steel to Precision Tube: Our Manufacturing DNA Quality isn’t an accident—it’s engineered into every step: Raw Material Validation: Billets are sampled, analyzed, and inspected before cutting. No surprises. Hot Forming: Precision heating and piercing creates a flawless hollow shell, followed by annealing to refine grain structure. Cold Drawing: Multiple drawing passes with phosphating and lubrication achieve exact dimensions and superior surface finish. Heat Treatment: Controlled processes ensure optimal mechanical properties and microstructure. Rigorous Inspection: Surface inspection, NDT, and PMI (Positive Material Identification) guarantee chemistry and integrity. Final Validation: Straightening, cutting, marking, and a final quality review before hexagonal packing and dispatch. This isn’t just a process—it’s a quality obsession that eliminates risk from your supply chain. Where Our Tubes Perform   Power Generation: Supercritical and ultra-supercritical boilers, heat recovery steam generators (HRSG) Petrochemical: Process heaters, reformer tubes, cracking furnaces Industrial Heat Transfer: High-temperature exchangers and condensers Global Infrastructure: Projects requiring multi-standard compliance   Simplify Your Procurement, Amplify Your Performance Juggling multiple suppliers for ASTM, DIN, and ASME tubes? Stop. Our integrated inventory covers all major standards, reducing your vendor list from five to one. With Shanghai Maxmetal, you get: ✅ One point of contact for global specifications ✅ Consistent quality across all standards ✅ Reduced lead times with strategic stock ✅ Technical support when you need it Our mission is to be the reliable China-based partner that creates value for you—by making complex procurement simple and risky applications safe. Ready to spec your next boiler project with confidence? Contact our technical team today for detailed datasheets, material recommendations, and a quote tailored to your exact requirements. Shanghai Maxmetal Co., Ltd. – Your seamless solution for seamless boiler tubes.