ASME Grade A Serpentine Tube for Boiler Heat Exchanger - Carbon Steel, Stainless Steel, Alloy Steel - 35,000mm Max Length
Price:
800 - 9000 USD / ton
MOQ:
5T
Delivery Time:
60-75days
Brand:
HDT
Product Description
Product Overview
ASME Grade A certified serpentine tubes manufactured from carbon steel, stainless steel, and alloy steel materials. Engineered specifically for boiler and heat exchanger applications with over 35 years of manufacturing expertise.
Manufacturing Capabilities
Zhangjiagang Hua Dong Energy Technology Co., Ltd. specializes in producing high-quality steel tubes and pipes with comprehensive certifications including ASME, TUV, ISO9001, EN12952, and EN10216.
Production Volume
Annual capacity exceeding 50,000 tons of steel pipe and tube production
Global Reach
Products exported to over 45 countries worldwide including USA, Germany, UK, and Australia
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 steel grades available upon agreement
Technical Specifications
Bending Capabilities
- Bending radius range: 1.5×OD to 1500mm
- Maximum straight tube length before bending: 35,000mm
- Leg length range: Minimum 1 meter, Maximum 16,500mm
Quality Standards
- ASME SA 213, ASME SB 163, ASME A789 standards
- TEMA RCB 2.31 compliance for tubular exchangers
- ASTM A688/ASME SA688 for feed water boilers
- ASTM B163/ASME SA163 for nickel alloy heat exchangers
Quality Testing Procedures
| Test Type | Description |
|---|---|
| Chemical Analysis | Performed according to required quality standards |
| Mechanical Testing | Tensile, hardness, flattening, flare, and flange tests |
| Reverse-bend & Re-flat Tests | ASTM A-450 and A-530 compliance for trouble-free expansion and welding |
| Eddy Current Testing | Digital flaw-mark system for subsurface homogeneity detection |
| Hydrostatic Testing | 100% testing with maximum pressure support of 20Mpa/7s |
| Air Under Pressure Test | Comprehensive air leakage inspection |
| Visual Inspection | Thorough examination by trained staff after passivation |
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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