Carbon Stainless Alloy Steel Serpentine Tube for Heat Exchanger Coil - 35000mm Length, 600 Bar Pressure Rating
Carbon, stainless, and alloy steel serpentine tubes designed for high-performance heat exchanger coil applications. Manufactured by Hua Dong Energy Technology with over 35 years of industry expertise and global certification compliance.
| 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 and alloys available upon agreement.
- Bending radius: From 1.5×OD to 1500mm
- Straight tubes maximum length: 35000mm (before bending)
- Leg length: Minimum 1 meter, maximum 16500mm
- Hydrostatic test pressure: Maximum 600 bar for 10 seconds
- ASME SA 213, ASME SB 163, ASME A789, ASME SA268, ASME SA269
- TEMA RCB 2.31 Standard (9th Edition)
- ASTM A688/ASME SA688 for welded tubes
- ASTM B163/ASME SA163 for nickel alloy tubes
| Test Type | Description |
|---|---|
| Chemical Analysis | Performed according to required quality standards |
| Mechanical Testing | Tensile, hardness, flattening, flare, and flange tests |
| Reverse-bend Tests | Compliance with ASTM A-450 and A-530 norms |
| Eddy Current Testing | Detection of subsurface homogeneities using digital flaw-mark system |
| Hydrostatic Testing | 100% testing according to ASTM-A 450 norms, maximum pressure 20Mpa/7s |
| Air Under Pressure Test | Detection of air leakage evidence |
| Visual Inspection | Thorough inspection by trained staff after passivation |
Zhangjiagang Hua Dong Energy Technology Co., Ltd. specializes in stainless, carbon, and alloy steel tubes for boiler, heat exchanger, energy, petrochemical, and industrial applications. With 35 years of manufacturing experience and annual production exceeding 50,000 tons, our products are certified by ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, and ISO9001 standards.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.