Finned Serpentine Economizer Tube for Industrial Waste Treatment - Custom 35000mm Length, 600 Bar Pressure Rating
Price:
800 - 9000 USD / ton
MOQ:
5T
Delivery Time:
60-75days
Brand:
HDT
Product Description
Product Overview
High-performance finned serpentine economizer tubes designed for industrial waste treatment systems and boiler applications. Manufactured to exacting standards with comprehensive quality control.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Finned Tube Economizer |
| Structure Type | Tube Coil Serpentine Coil |
| Tube Material | Corten Steel, ND Steel (09CrCuSb) |
| Manufacturer Grade | China A Grade |
| Tube Type | Bare Tube |
| Tube Specification | Customizable to customer requirements |
| Tube Wall Thickness | Customizable to customer requirements |
| Working Pressure | Material-dependent |
| Working Temperature | Material-dependent |
| Welding Method | Automatic GTAW (TIG) tube butt welding |
| Welding NDT | Automatic RT 100% |
Available Steel Grades
| 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 |
Other alloys and steel grades available upon agreement.
Technical Requirements
Straight Tubes Standard Specification For Bending
ASME SA 213; ASME SB 163; ASME A789, ASME SA268, ASME SA269, etc.
Marking & Processing
Pre-bending marking by machine along entire tube length. Post-bending marking available on straight sections of U-bend tubes.
U-Bend Tubes Standards
- TEMA RCB 2.31 Standard (9th Edition)
- ASTM A688/ASME SA688 for welded austenitic corrosion resistant steel
- ASTM B163/ASME SA163 for nickel and nickel alloy tubes
- Custom specifications available
Custom Specifications
- Bending Radius: From 1.5×OD to 1500mm
- Straight Tubes Maximum Length: 35000mm
- Leg Length: Minimum 1 meter, Maximum 16500mm
- Heat Treatment: Stress relieved after U-bending
- Hydrostatic Test: Maximum 600 Bar pressure, 10-second soak
- Packaging: Transport-worthy wooden boxes with protective caps
Quality Assurance Testing
| Test Type | Description |
|---|---|
| Corrosion Test | Conducted upon client request |
| Chemical Analysis | Performed per required quality standards |
| Destructive/Mechanical Testing | Tensile, Hardness, Flattening, Flare, Flange |
| Reverse-bend & Re-flat Tests | ASTM A-450 and A-530 compliance |
| Eddy Current Testing | Digital Flaw-mark Testing System for subsurface detection |
| Hydrostatic Testing | 100% testing per ASTM-A 450, maximum 20Mpa/7s |
| Air Under Pressure Test | Air leakage verification |
| Visual Inspection | Comprehensive surface flaw detection by trained staff |
Supplementary Testing
Additional quality verification through:
- Eddy Current Testing
- O.P Testing
- Radiography Testing
- Corrosion Testing
- Micro Testing
- Macro Testing
- IGC Testing
- Ultrasonic testing
- Liquid Penetrate testing
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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