Boiler Economizer Serpentine Coil Tube 35000mm Length Anti-Corrosion Corten Steel ASME Certified
Price:
800 - 9000 USD / ton
MOQ:
500 tons
Delivery Time:
60-75days
Brand:
HDT
Product Description
Product Overview
Industrial boiler economizer featuring serpentine coil tube design with superior anti-corrosion properties and extended service life for palm mill boiler applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Economizer for Palm Mill Boiler Anti Dew Point Corrosion, Anti Low Temperature Corrosion |
| Structure Type | Tube Coil Serpentine Coil |
| Tube Material | Corten Steel, ND Steel (09CrCuSb) |
| Standards | China GB, ASME |
| Manufacturer Grade | China A Grade, ABS Certificated, TUV Certificated |
| Tube Type | Bare Tube |
| Welding Method | Automatic GTAW (TIG) tube butt welding |
| Welding NDT | Automatic RT 100% |
Company Profile
Hua Dong Energy Technology specializes in Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy, Monel, Inconel, Incoloy) seamless and welded pipe and tube manufacturing with over 35 years of industry experience. Annual production exceeds 50,000 tons of steel pipe and tube, serving clients across 45+ countries worldwide.
Certifications
Our facilities are approved by: ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.
Application Areas
U-Bend Tubes are essential components in heat exchanger systems for critical industrial applications including boilers, heat exchangers, nuclear facilities, and petrochemical machinery.
Compliance Standards
- ASTM A688/ASME SA688
- ASTM A803/ASME SA803
- ASTM A556/ASME SA556
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 |
Custom alloys and steel grades available upon agreement.
Technical Requirements
Straight Tubes Standard Specification
ASME SA 213; ASME SB 163; ASME A789, ASME SA268, ASME SA269, etc.
Bending Specifications
| Parameter | Range |
|---|---|
| Bending Radius | From 1.5×OD to 1500mm |
| Straight Tubes Maximum Length | 35000 mm (before bending) |
| Leg Length | Min 1 Meter, Max 16500 mm |
| Hydrostatic Test Pressure | Maximum 600 Bar, 10 seconds soaking |
Quality Testing Procedures
| Test Type | Description |
|---|---|
| Chemical Analysis | Performed according to required quality standards |
| Destructive/Mechanical Testing | Tensile, Hardness, Flattening, Flare, Flange tests |
| Reverse-bend and Re-flat tests | Full compliance with ASTM A-450 and A-530 norms |
| Eddy Current Testing | Digital Flaw-mark Testing System for subsurface homogeneity detection |
| Hydrostatic Testing | 100% testing per ASTM-A 450 norms, maximum pressure 20Mpa/7s |
| Air Under Pressure Test | Detection of air leakage evidence |
| Visual Inspection | Thorough inspection by trained staff for surface flaws and imperfections |
Supplementary Testing
Additional quality assurance through: Eddy Current Testing, O.P Testing, Radiography Testing, Corrosion Testing, Micro Testing, Macro Testing, IGC Testing, Ultrasonic testing, and 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