ASME Serpentine Tube Heat Exchanger Components - Carbon/Stainless Steel U-Bend Tubes 35,000mm Length
Price:
800 - 9000 USD / ton
MOQ:
500 tons
Delivery Time:
60-75days
Brand:
HDT
Product Description
ASME Certified Serpentine Tube Heat Exchanger Components
Professional-grade U-bend tubes for boiler and heat exchanger systems, manufactured from carbon steel, stainless steel, and specialized alloys with 35+ years of industry expertise.
Product Overview
Hua Dong Energy Technology specializes in manufacturing high-performance serpentine tubes for critical heat exchange applications. With over 35 years of experience and annual production exceeding 50,000 tons, we serve clients across 45+ countries with certified quality and reliability.
Certifications & Standards Compliance
Our manufacturing facilities and products are certified by leading international standards organizations including ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, and ISO 14001-2004.
Technical Specifications
Applicable Standards
- ASTM A688/ASME SA688
- ASTM A803/ASME SA803
- ASTM A556/ASME SA556
Material Grades Available
| Ferrite | Austenite | Duplex | Super Duplex | Ni-Alloys | Titanium |
|---|---|---|---|---|---|
| TP410 TP405 S44400 S44660 TP430 | TP304/304L TP316/316L TP316Ti TP317/317L TP321 TP347 | S31803 S32205 S32304 | S32750 S32760 | N06600 N08020 N00880 N08825 N08904 | Gr.2 |
Dimensional Capabilities
- Bending Radius: 1.5×OD to 1500mm
- Straight Tube Maximum Length: 35,000mm
- Leg Length: 1 meter minimum to 16,500mm maximum
- Custom sizes available upon agreement
Manufacturing Processes
- Stress relief heat treatment after U-bending
- Hydrostatic testing up to 600 bar pressure
- Compressed air cleaning post-hydro-test
- Precision marking before and after bending
Quality Assurance Testing
Standard Testing Procedures
| Test Type | Description |
|---|---|
| Chemical Analysis | Performed according to required quality standards |
| Destructive/Mechanical Testing | Tensile, Hardness, Flattening, Flare, Flange tests |
| Reverse-bend & Re-flat Tests | Compliance with ASTM A-450 and A-530 norms |
| Eddy Current Testing | Detection of subsurface homogeneities using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% testing per ASTM-A 450 norms, maximum pressure 20Mpa/7s |
| Air Under Pressure Test | Detection of air leakage evidence |
| Visual Inspection | Comprehensive inspection by trained staff for surface flaws |
Supplementary Testing Options
- Eddy Current Testing
- O.P Testing
- Radiography Testing
- Corrosion Testing
- Micro Testing
- Macro Testing
- IGC Testing
- Ultrasonic Testing
- Liquid Penetrate Testing
Packaging & Delivery
All products are packaged in strong, transport-worthy pre-fumigated wooden boxes with corresponding dimensions for each tube specification. Additional protection includes polyethylene film wrapping and soft plastic caps on both tube ends.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Location
Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
Contact Person
Yolanda Zou