Contact Platform Support
Help CenterSteel Pipe & Tube & High Pressure Boiler Tube，15CrMoG、12Cr1MoVG、T91、P91、20G
Related Products
-
Steel Pipe & Tube & Precision Tube，10#、20#、35#、45#、20Mn、16Mn（Q345B）、40Cr、42CrMo、35CrMo、25CrMo4NegotiableMOQ: 5 Metric Tons -
Steel Pipe & Tube & Casting Pipe，QT400-15、QT500-7、QT600-3、HT200、HT250、Cr28、KmTBCr20NegotiableMOQ: 5 Metric Tons
-
Steel Coil & Strip & Hot Rolled Coil，Q195、Q235B、Q275、SS400、A36、Q345B/C/D/E、Q355、Q420、Q550、10#、20#、35#、45#、50#NegotiableMOQ: 5 Metric Tons
-
Steel Coil & Strip & Cold Rolled Coil，SPCC、SPCD、SPCE、ST12、ST13、ST14、ST16、Q195、Q235B、Q355B、DC01、DC02、DC03、DC04、DC05、DC06NegotiableMOQ: 5 Metric Tons
-
Steel Coil & Strip & Color Coated Coil，Q235B、Q355B、SGCC、SGCH、S300GD、S350GD、S550GD、S350GD+ZM、S550GD+ZMNegotiableMOQ: 5 Metric Tons
1. Product Overview
1.1 Product Introduction: High Pressure Boiler Tube is a professional seamless pressure-bearing steel tube specially customized for thermal power generation, industrial boilers and high-temperature & high-pressure thermal system projects. Our High Pressure Boiler Tube product series includes carbon steel and alloy steel materials, covering mainstream products such as 20G High Pressure Boiler Tube and 12Cr1MoVG High Pressure Boiler Tube. As the core pressure-bearing component of boiler systems, all High Pressure Boiler Tube products feature excellent high temperature resistance, high pressure resistance, creep resistance and oxidation resistance. Strictly manufactured in accordance with special domestic and international boiler standards, these stable and durable High Pressure Boiler Tube products are widely used in superheaters, reheaters, water walls and main steam pipelines of various high-pressure boilers, ensuring long-term safe and stable operation of thermal equipment.
2. Product Classification and Production Technology
2.1 Carbon Steel High Pressure Boiler Tube: Represented by 20G material, it is the most widely used High Pressure Boiler Tube in medium and high-pressure boiler systems. This type of High Pressure Boiler Tube features uniform pipe structure, good plasticity and stable mechanical properties under conventional high-temperature working conditions. It is mainly applied to conventional pressure-bearing parts such as boiler water wall tubes, economizer tubes and low-temperature superheater tubes.
2.2 Alloy High Pressure Boiler Tube: The alloy high-pressure boiler tube is a high-end heat-resistant High Pressure Boiler Tube added with chromium, molybdenum, vanadium and other alloy elements, including mainstream grades such as 15CrMoG, 12Cr1MoVG, T91 and P91. This series of High Pressure Boiler Tube possesses outstanding high-temperature creep resistance and corrosion resistance, adapting to the ultra-high temperature and high-pressure core working conditions of subcritical and supercritical power station boilers.
2.3 Cold Drawn Precision Boiler Tube: It belongs to high-precision refined High Pressure Boiler Tube. Adopting cold drawing forming technology, it has ultra-high dimensional accuracy, smooth inner and outer wall surfaces and uniform wall thickness with tiny errors, suitable for supporting scenarios of precision heat exchange equipment and high-precision pressure-bearing boilers.
2.4 Production Technology: All High Pressure Boiler Tube products adopt integrated production processes including round steel billet piercing, hot rolling / cold drawing forming, overall quenching and tempering heat treatment, precision finishing and full-scale non-destructive testing. The pipe body has no welds, cracks or interlayer impurities, with stable and qualified comprehensive performance under high temperature and high pressure.
3. Core Materials and Steel Grades
3.1 Carbon Steel Materials: Our factory stocks national standard carbon steel grades such as 20G, 20MnG and 25MnG for High Pressure Boiler Tube. Among them, the 20G High Pressure Boiler Tube is the mainstream product in the market, which can meet the conventional operating conditions of medium and high-pressure boilers below 480℃ with high cost performance and wide application range.
3.2 Low-alloy Heat-resistant Materials: Covering two core heat-resistant alloy materials of 15CrMoG and 12Cr1MoVG. This type of High Pressure Boiler Tube has high high-temperature strength, good thermal stability and excellent creep resistance. It is suitable for core pipelines of high-pressure boilers at 500℃-570℃ and serves as a special core pipe for power station boilers.
3.3 High-alloy Heat-resistant Materials: Including high-end imported alloy grades such as T91, P91, T92 and P92, specially designed for ultra-supercritical boilers. It can withstand extreme high-temperature working conditions above 600℃, with compression resistance, corrosion resistance and fatigue resistance far exceeding ordinary boiler tubes, applicable to high-end supporting projects of large thermal power generating units.
4. Implementation Standards
4.1 Domestic Implementation Standards: Strictly produced in accordance with GB/T 5310-2017 high-pressure seamless boiler tube standard and GB 3087 medium and low-pressure boiler tube standard, fully complying with the acceptance specifications of domestic power plants, industrial boilers and thermal engineering. AllHigh Pressure Boiler Tube products can provide complete compliant qualification documents.
4.2 International Implementation Standards: Production can follow international standards such as ASME SA210, SA213, ASTM and DIN. Export-grade High Pressure Boiler Tube, alloy boiler tube and carbon steel boiler tube are fully compliant with quality requirements, providing complete test reports and traceability data for foreign trade export and overseas power station projects.
5. Core Specification Parameters
5.1 Conventional Specification Range: Our factory has a complete range of High Pressure Boiler Tube specifications, covering full series of small-diameter, medium-diameter and large-diameter products. It supports processing of standard national sizes and non-standard customized sizes to meet the pipeline installation requirements of various boiler equipment.
5.2 Small-diameter High Pressure Boiler Tube: Outer diameter: 10mm-114mm, wall thickness: 2mm-20mm, standard fixed lengths: 6m and 12m. Arbitrary lengths can be customized according to engineering requirements, mostly used for boiler heating surfaces and heat exchange branch pipes.
5.3 Medium and Large-diameter High Pressure Boiler Tube: Outer diameter: 114mm-630mm, wall thickness: 20mm-80mm, with uniform wall thickness and strong pressure resistance, mainly used for boiler main steam pipelines and high-temperature & high-pressure main pipelines.
5.4 Custom Deep Processing Services: Support customized services such as fixed-length cutting, bevel processing, sandblasting derusting, heat treatment, anti-corrosion treatment and precision finishing. All High Pressure Boiler Tube products feature accurate dimensions and controllable tolerances to meet the customized needs of various large-scale projects.
6. Core Product Performance
6.1 Super High Temperature Resistance: High-quality High Pressure Boiler Tube can operate stably for a long time in a high-temperature environment of 450℃-620℃. The pipe wall is not easy to oxidize, peel or deform, with excellent high-temperature thermal stability, adapting to long-term continuous high-temperature operation of boilers.
6.2 Ultra-high Pressure Resistance: The pipe body has a dense and uniform structure. After quenching and tempering heat treatment, the pressure-bearing performance is greatly improved. It can withstand high-pressure loads of 10MPa-35MPa with excellent burst resistance and impact resistance, eliminating hidden dangers of leakage and burst of high-pressure pipelines.
6.3 Excellent Creep Resistance: The alloy series High Pressure Boiler Tube has strong high-temperature creep resistance, not easy to deform or age under long-term high-temperature and high-pressure loads with long service life, meeting the long-term uninterrupted operation requirements of power station boilers.
6.4 Oxidation and Corrosion Resistance: A stable protective layer can be formed on the surface under high-temperature working conditions, effectively resisting high-temperature oxidation and water vapor corrosion, adapting to the harsh operating environment of boilers with humidity, high temperature and high pressure, and greatly reducing pipeline loss rate.
6.5 Stable Mechanical Properties: The pipe material has balanced toughness, hardness and tensile strength, supporting normal cutting, welding and bending processing with strong construction adaptability, which can stably adapt to complex boiler pipeline layouts.
6.6 High Safety Factor: Adopting an integral seamless structure without weak weld joints, combined with full-range non-destructive testing, the pipe body has no internal defects, ensuring safe and reliable operation under high-temperature and high-pressure working conditions.
7. Main Applications
7.1 Thermal Power Generation Engineering: Widely used in boiler water walls, superheaters, reheaters, economizers and main steam pipelines of thermal power plants, serving as the core special High Pressure Boiler Tube for large-scale thermal power plants and heating power plants.
7.2 Industrial Boiler Supporting: Suitable for pressure-bearing pipelines and heat exchange pipeline installation of industrial high-pressure boilers and steam boilers in chemical, textile, heating, manufacturing and other industries.
7.3 Thermal Heating Engineering: Used for urban central heating and high-temperature steam transmission main pipelines, which can withstand high-temperature and high-pressure steam media for a long time to ensure stable operation of the heating system.
7.4 High-end Thermal Equipment: Adaptable to pressure-bearing pipe fittings supporting heat exchange units, pressure vessels and high-temperature thermal equipment, meeting the high-precision and high-safety operating requirements of equipment.
7.5 Other High-temperature and High-pressure Working Conditions: Applicable to various harsh industrial scenarios such as petrochemical high-temperature heat exchange pipelines, energy thermal equipment and scientific research high-temperature pressure-bearing devices.
8. Quality Inspection Standards
8.1 Appearance and Dimensional Inspection: The pipe body is straight without bending, free of cracks, folds, scabs, interlayers and other defects. The inner and outer walls are smooth and flat. The outer diameter, wall thickness and length strictly comply with national standard requirements with accurate and controllable tolerances.
8.2 High-pressure Hydrostatic Test: Each High Pressure Boiler Tube is subjected to high-pressure hydrostatic test one by one, with stable pressure holding, no leakage and no pressure drop, fully ensuring the safety of high-pressure operation.
8.3 Non-destructive Testing: Adopting dual ultrasonic and eddy current non-destructive testing to 100% detect hidden internal defects such as cracks, interlayers and pores in the pipe body, with a 100% factory qualification rate.
8.4 Material Spectral Detection: Accurately detect the content of carbon, chromium, molybdenum, vanadium and other elements in the pipe material, strictly distinguish 20G, 12Cr1MoVG, 15CrMoG and other materials, and eliminate non-standard, mixed and inferior pipes.
8.5 Mechanical Property Test: Complete multiple tests including tensile, impact, hardness and high-temperature creep tests to ensure that core indicators such as high temperature resistance, pressure resistance and toughness meet the standards and satisfy the acceptance criteria of high-end projects.
9. Installation and Maintenance
9.1 Connection Methods: Mainly adopt welding connection, flange butt connection and butt welding methods, fully complying with the installation and construction specifications of industrial boilers and power station pipelines, with strong sealing performance and stable pressure bearing capacity.
9.2 Construction Requirements: Clean nozzle impurities before installation, adopt special welding technology to avoid virtual welding and missing welding; carry out anti-corrosion and heat-resistant reinforcement treatment on cut and polished damaged parts.
9.3 Daily Maintenance: High Pressure Boiler Tube is naturally resistant to high temperature, high pressure and aging, requiring no frequent maintenance. Regular inspection of pipeline interfaces, welds and outer wall anti-corrosion layers can greatly extend the service life.
9.4 Applicable Scenarios: Specially adapted to boiler thermal systems with high temperature, high pressure and steam media, not suitable for ordinary civil low-pressure water delivery and normal-temperature fluid transmission scenarios.
10. Delivery Cycle
10.1 Conventional In-stock Orders: We maintain sufficient inventory of full-specification High Pressure Boiler Tube, 20G boiler tube and alloy heat-resistant boiler tube. Conventional specifications will be delivered within 3-5 working days after payment.
10.2 Custom Processing Orders: Custom products such as fixed-length cutting, bevel processing, heat treatment and precision finishing have a delivery cycle of 5-7 working days.
10.3 Large-batch Engineering Orders: Priority production is available for power plant and thermal engineering bulk orders. The construction period can be negotiated according to purchase quantity and processing requirements. In-stock bulk orders can be delivered within 5 working days at the fastest, while special customized bulk orders take 7-10 working days.
10.4 Urgent Service: Support urgent production and priority delivery for urgent construction projects to ensure the progress of engineering construction.
10.5 Logistics Service: Support full-truck delivery, LTL express and nationwide multi-region distribution. The whole logistics process is trackable with stable timeliness to ensure project completion on schedule.
Send Inquiry to This Supplier
You May Also Like
-
Steel Sheet & Plate & Pressure Vessel Plate，SA516Gr60/65/70、SA203E、P265GH、P355GHNegotiableMOQ: 5 Metric Tons
-
Steel Sheet & Plate & Checkerboard Plate，2.5mm、3.0mm、4.0mm、5.0mm、6.0mm、8.0mmNegotiableMOQ: 5 Metric Tons
-
Steel Sheet & Plate & Ship Plate，CCSA、CCSB、CCSD、CCSE、AH32、DH32、EH32、AH36、DH36、EH36、FH36、AH460、DH460、EH460NegotiableMOQ: 5 Metric Tons
-
Steel Sheet & Plate & Boiler Plate，20G、Q245R、Q345R、15CrMoR、12Cr1MoVRNegotiableMOQ: 5 Metric Tons
-
Steel Sheet & Plate & Steel Sheet Pile，Q295P/Q355P/Q390P/Q420P/Q460P、Q345B/Q390/Q420/355NHNegotiableMOQ: 5 Metric Tons
-
Steel Rebar & Hot-rolled Ribbed Bar，HRB335、HRB400/HRB400E、HRB500/HRB500ENegotiableMOQ: 5 Metric Tons
-
Steel Wire & Galvanized Steel Wire，Q195、Q235、45#、55#、60#、65#、70#、72ANegotiableMOQ: 5 Metric Tons
-
Flat Steel & Hot Rolled Flat Steel / Cold Drawn Flat Steel / Grounding Flat Steel，Q235B、Q215、Q355B/C/D、20#/35#/45#NegotiableMOQ: 5 Metric Tons
-
Angle Steel & Angle Bar，Q235B、Q355B、Q195、45#、Q215、Q345BNegotiableMOQ: 5 Metric Tons
-
Steel H Beam & H Beam，Q235B、Q355B/C/D/E、Q390、Q420NegotiableMOQ: 5 Metric Tons
