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Help CenterSteel Pipe & Tube & High Pressure Boiler Tube，20G、20MnG、25MnG、15CrMoG、12Cr1MoVG、12Cr2MoG、10Cr9Mo1VNbN
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High Pressure Boiler Tube is a special heat‑resistant pressure‑bearing seamless tube for power station boilers and thermal equipment, specially designed for steam medium transmission under high‑temperature and high‑pressure conditions. It serves as core safety material for thermal power generation and cogeneration plants. High Pressure Boiler Tube mainly includes two mainstream types: Seamless High Pressure Boiler Tube and Alloy High Pressure Boiler Tube. Seamless High Pressure Boiler Tube adopts carbon steel grade, suitable for economizer and heating‑surface pipelines of medium‑high parameter boilers. Alloy High Pressure Boiler Tube is added with Cr‑Mo‑V alloy elements, featuring stronger creep‑resistance and high‑temperature performance, applied in critical high‑temperature & high‑pressure parts such as superheaters, reheaters and headers. High Pressure Boiler Tube is manufactured by hot rolling and cold‑drawing seamless processes without weld defects, fundamentally eliminating leakage risks under high‑pressure medium. Seamless High Pressure Boiler Tube is normalized for uniform and stable microstructure. Alloy High Pressure Boiler Tube adopts normalizing plus tempering heat‑treatment to guarantee long‑term stress‑rupture strength under high‑temperature service.High Pressure Boiler Tube has complete specifications and sufficient stock. Deep processing services such as fixed‑length cutting, beveling, UT ultrasonic testing, hydrostatic test, sandblasting & derusting are available. Custom non‑standard outer diameter, special wall thickness and special fixed‑length are supported.Seamless High Pressure Boiler Tube and Alloy High Pressure Boiler Tube can adapt to various project conditions including thermal power, cogeneration and petrochemical heat‑exchange units. High Pressure Boiler Tube is an indispensable pressure‑bearing special tube for high‑pressure thermal systems.
1. Material Grade
‑ Domestic Grades: 20G, 20MnG, 25MnG, 15CrMoG, 12Cr1MoVG, 12Cr2MoG, 10Cr9Mo1VNbN
‑ Export Grades: SA‑210 A1/C, SA‑213 T11/T22/T91/T92, SA‑335 P11/P22/P91, 16Mo3, 13CrMo4‑5
2. Execution Standards
‑ GB/T 5310‑2017 Seamless steel tubes for high‑pressure boilers, core national standard for High Pressure Boiler Tube; GB/T3087 standard for low‑medium pressure boiler tubes
‑ International Standards: ASME SA210, ASME SA213, ASME SA335, EN10216‑2, complying with foreign‑trade project acceptance. Seamless High Pressure Boiler Tube and Alloy High Pressure Boiler Tube support full NDT including UT, ET and hydrostatic test.
3. Specification Parameters
High Pressure Boiler Tube outer diameter:16mm‑824mm, wall thickness:2mm‑65mm, standard lengths:4‑12m, customized arbitrary lengths are supported. Seamless High Pressure Boiler Tube features strict dimensional tolerance and uniform wall thickness to meet design requirements for boiler heating‑surface pipelines. Alloy High Pressure Boiler Tube covers complete heavy‑wall sizes, and large‑diameter extra‑heavy‑wall High Pressure Boiler Tube can be produced by hot extrusion. All High Pressure Boiler Tube supports beveling, chamfering, cutting and NDT inspection, non‑standard sizes can be customized according to drawings.
4. Surface Treatment
‑ Hot‑rolled black surface (regular for High Pressure Boiler Tube): original hot‑rolled finish, suitable for on‑site welding & assembly in boiler factories.
‑ Cold‑drawn bright surface: smooth inner & outer surface, for precision heat‑exchange pipelines.
‑ Sandblasting, painting anti‑corrosion: improve rust resistance for storage and outdoor pipeline protection.
‑ Seamless High Pressure Boiler Tube and Alloy High Pressure Boiler Tube support pickling and passivation for clean process pipeline requirements.
5. Main Applications
High Pressure Boiler Tube is widely used in economizers, superheaters, reheaters, headers and main steam pipelines of thermal power plant boilers, as well as cogeneration and petrochemical heat‑exchange equipment, high‑temperature pressure vessels. Seamless High Pressure Boiler Tube is mostly applied for heating‑surface and economizer pipelines of medium‑high pressure boilers for high‑temperature steam transportation. Alloy High Pressure Boiler Tube serves for ultra‑supercritical power station under severe high‑temperature high‑pressure working conditions, enduring 500‑620℃ high‑temperature and heavy pressure load. Power, cogeneration and petrochemical enterprises select High Pressure Boiler Tube according to temperature‑pressure parameters.Seamless High Pressure Boiler Tube is preferred for regular working conditions, and Alloy High Pressure Boiler Tube for ultra‑high‑temperature high‑pressure conditions, giving full play to advantages of High Pressure Boiler Tube such as high‑temperature resistance, high‑pressure resistance, creep resistance and stable safe operation.
6. Packing, MOQ & Lead Time
‑ Packing: High Pressure Boiler Tube is bundled by categories, pipe ends protected by plastic caps, reinforced with steel strips, packed with waterproof materials to avoid pipe‑end damage during land and sea export transportation.
‑ MOQ: 1 ton minimum order, mixed batch ofSeamless High Pressure Boiler Tube and Alloy High Pressure Boiler Tube is available, small‑batch cutting service is supported.
‑ Lead Time: 3‑7 working days for regular stock High Pressure Boiler Tube; 7‑15 working days for heat‑treated, inspected and custom‑spec products.
Mill certificates, test reports are provided; PMI, SGS third‑party inspection is acceptable. Support FOB, CIF, DAP and other international trade terms.
7. Product Advantages
High Pressure Boiler Tube is integrally seamless formed without weak weld joints, featuring high pressure resistance and excellent high‑temperature creep resistance, ensuring long‑term safe operation of boiler systems.
Seamless High Pressure Boiler Tube undergoes strict heat‑treatment with stable microstructure and high dimensional accuracy, delivering good cost‑performance for conventional high‑pressure boiler equipment.
Alloy High Pressure Boiler Tube adopts scientific alloy proportion, featuring high stress‑rupture strength and good oxidation resistance, adapting to harsh high‑temperature high‑pressure conditions of ultra‑supercritical power stations.
High Pressure Boiler Tube possesses good weldability and cutting performance for field welding and assembly for boiler manufacturing and maintenance.
Full‑range High Pressure Boiler Tube has complete qualification documents with batch‑by‑batch NDT inspection and lab‑test support. Seamless High Pressure Boiler Tube and Alloy High Pressure Boiler Tube satisfy standards for domestic major power‑engineering projects and foreign‑trade export.
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