Stainless Steel Finned Tube TP321 TP321H TP347H 3/4" for Heating Systems with 600 Bar Hydrostatic Testing
Price:
800 - 9000 USD / ton
MOQ:
5T
Delivery Time:
60-75days
Brand:
HDT
Product Description
Stainless Steel Finned Tube for Heating Applications
ASTM A213/ASME SA213 TP321/TP321H/TP347H 3/4" diameter tubes with 100% Eddy Current Testing and Heat Treatment. Designed for superior performance in heating systems and heat exchangers.
Company Overview
Hua Dong Energy Technology has over 35 years of experience manufacturing Austenitic Stainless Steel and Nickel Alloy Steel seamless and welded pipes and tubes. Annual production exceeds 50,000 tons, serving clients in over 45 countries worldwide.
Certifications & Approvals
ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.
Product Specifications
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 |
Technical Parameters
- Bending Radius: From 1.5×OD to 1500mm
- Maximum Straight Tube Length: 35,000 mm (before bending)
- Leg Length Range: Minimum 1 meter, Maximum 16,500 mm
- Hydrostatic Test Pressure: Up to 600 Bar with 10-second soak time
- Heat Treatment: Stress relieved after U-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 and 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 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 |
Supplementary Testing
- 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