YUHONG HOLDING GROUP CO., LTD
| Payment Terms | TT, LC |
| Supply Ability | 1000 tons/month |
| Delivery Time | 35-60 days |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Type | Studded Tubes |
| Studded Tubes Standard | ASTM A106 |
| Studded Tubes Material | Gr. B Base Pipes and CS Studs |
| Studded Tubes O.D. | Generally Greater Than 100mm |
| Studded Tubes Length | Required By Clients |
| Studded Tubes Ends | Beveled Ends |
| Studded Tubes Use | For large equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc |
| Packing | Ply-wooden Case With Iron Frame |
| Brand Name | Yuhong |
| Model Number | ASTM A106 Gr. B Studded Tubes |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
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Product Specification
| Payment Terms | TT, LC | Supply Ability | 1000 tons/month |
| Delivery Time | 35-60 days | Packaging Details | Ply-wooden Case With Iron Frame |
| Type | Studded Tubes | Studded Tubes Standard | ASTM A106 |
| Studded Tubes Material | Gr. B Base Pipes and CS Studs | Studded Tubes O.D. | Generally Greater Than 100mm |
| Studded Tubes Length | Required By Clients | Studded Tubes Ends | Beveled Ends |
| Studded Tubes Use | For large equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc | Packing | Ply-wooden Case With Iron Frame |
| Brand Name | Yuhong | Model Number | ASTM A106 Gr. B Studded Tubes |
| Certification | ABS, BV, DNV, CCS, LR | Place of Origin | China |
| High Light | Boilers Studded Tubes ，Studded Tubes In Boilers ，ASTM A106 GrB Studded Tubes | ||
ASTM A106 Gr. B Studded Tubes For Boilers In Waste Heat Recovery Systems
ASTM A106 covers seamless carbon steel pipe for high-temperature service in NPS 1 ⁄ 8 to NPS 48 [DN 6 to DN 1200] inclusive, with nominal (average) wall thickness as given in ASME B36.10M.The surface treatment usually involves applying black paint for rust prevention.ASTM A106 Gr.B carbon steel pipes are widely applied in boilers and waste heat recovery systems due to their high-temperature strength, durability, and cost-effectiveness.Carbon steel surely is much cheaper than stainless steel.
Chemical Composition (%)
| Grade | C | Mn | P | S | Si | Cr | Cu | Mo | Ni | V |
| Gr.B | 0.30 | 0.29-1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| Gr. B | 60ksi (415 MPa) | 35ksi (240 MPa) |
As studded fin tubes, A106 Gr.B pipes increase surface area, improving heat transfer from hot exhaust gases (e.g., in cement plants, refineries, or steel mills,waste heat recovery systems).In the convection chamber of the tubular furnace, in order to enhance the heat transfer effect outside the tube, the heat transfer element often adopts the nail head tube. For studded tubes, they usually be formed with materials such as carbon steel, stainless steel, alloy or copper, providing durability and resistance to corrosion.
A106 Gr.B pipes can handle temperatures up to 750°F (~400°C), making them suitable for boiler tubes, superheaters, furnaces, and economizers in WHRS. By the way, they maintain structural integrity under high-pressure steam and flue gas conditions (common in heat recovery boilers).
ASTM A106 Gr. B seamless pipes usually performs well in dry, high-temperature flue gas environments, but if flue gas contains sulfur or moisture, stainless steel (e.g., 304/316) or alloy-coated pipes may be required.
Application in WHRS,Not Limited As Below
Heat Recovery Steam Generators (HRSGs): Used in gas turbine exhaust systems to generate steam from waste heat.
Economizers (Pre-Heat Boiler Feedwater): Recovers low-to-medium grade heat from exhaust gases before they exit the stack.
Exhaust Gas Boilers (Marine & Industrial): Recovers heat from diesel engines, furnaces, and kilns.
Cement & Steel Plant WHRS: Used in preheater towers and clinker cooler exhaust systems.
Refinery & Petrochemical WHRS: Recovers heat from catalytic crackers, reformers, and furnaces.
Specifications
| Type | Description | Base tube | Fin specification (mm) | ||
| O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
| Embedded | G-type fin tube | 16-63 | 2.1~5 | <17 | ~0.4 |
| Extruded | Single metal / Combined metal | 8-51 | 1.6~10 | <17 | 0.2-0.4 |
| Low fin tube / T-type fin tube | 10-38 | 0.6~2 | <1.6 | ~0.3 | |
| Bamboo tube / corrugated tube | 16-51 | 8.0~30 | <2.5 | ~0.3 | |
| Wound | L / KL / LL type fin tube | 16-63 | 2.1~5 | <17 | ~0.4 |
| String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
| U-type | U-type fin tube | 16-38 | / | / | / |
| Welding | HF-welding fin tube | 16-219 | 3~25 | 5~30 | 0.8-3 |
| H/HH type fin tube | 25-63 | 8~30 | <200 | 1.5-3.5 | |
| Studed fin tube | 25-219 | 8~30 | 5~35 | φ5-20 | |
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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