ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
| Payment Terms | T/T, L/C |
| Supply Ability | 3000 Metric Tons per Month |
| Delivery Time | 15-25 working days after order confirmation |
| Packaging Details | End caps, rust preventive oil, bundled with steel strips, seaworthy wooden pallets |
| Material Grade | SA179 (ASME Cold Drawn Low Carbon Steel) |
| Outer Diameter | 31.8mm |
| Wall Thickness | 3.2mm |
| Length | Random 6-12m or Fixed Length |
| Hardness | ≤ 72 HRB |
| Surface Finish | Cold Drawn Bright Finish |
| Application | Economizer Coil for Waste Heat Recovery Boiler |
| Manufacturing Process | Cold Drawn Seamless |
| Brand Name | WNRLN |
| Model Number | SA179-ECT |
| Place of Origin | Jiangsu, China |
| Certification | ISO 9001:2015, ASME |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 3000 Metric Tons per Month |
| Delivery Time | 15-25 working days after order confirmation | Packaging Details | End caps, rust preventive oil, bundled with steel strips, seaworthy wooden pallets |
| Material Grade | SA179 (ASME Cold Drawn Low Carbon Steel) | Outer Diameter | 31.8mm |
| Wall Thickness | 3.2mm | Length | Random 6-12m or Fixed Length |
| Hardness | ≤ 72 HRB | Surface Finish | Cold Drawn Bright Finish |
| Application | Economizer Coil for Waste Heat Recovery Boiler | Manufacturing Process | Cold Drawn Seamless |
| Brand Name | WNRLN | Model Number | SA179-ECT |
| Place of Origin | Jiangsu, China | Certification | ISO 9001:2015, ASME |
| High Light | Cold Drawn Economizer Tube ，SA179 Boiler Heat Recovery ，Seamless Waste Heat Unit | ||
The SA179 cold drawn economizer tube is a low carbon steel seamless tube manufactured to ASME SA-179/SA-179M, offering superior surface finish and dimensional precision through the cold drawing process. Designed for economizer banks in waste heat recovery boilers, it maximizes heat absorption from exhaust flue gases before they exit the stack.
| Standard | ASME SA-179/SA-179M |
| Chemistry | C: 0.06-0.18, Mn: 0.27-0.63, Si: 0.25 max, P: 0.035 max, S: 0.035 max |
| OD Range | 12.7mm - 76.2mm |
| WT Range | 1.2mm - 6.0mm |
| Tensile Strength | ≥ 325 MPa |
| Yield Strength | ≥ 180 MPa |
| Flattening Test | Pass per ASME SA-450 requirements |
Economizer tube banks in waste heat recovery boilers (WHRB), heat recovery steam generators (HRSG), finned tube economizer assemblies, bare tube economizer sections, and boiler feedwater preheaters in industrial, chemical, and refining waste heat recovery systems.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1985
Total Annual:
100000000-110000000
Employee Number:
600~700
Ecer Certification：
Verified Supplier
Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid... Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid...
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