YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 1000 tons/month |
| Delivery Time | 70-90 days |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube |
| Type | Longitudinal Finned Tubes |
| Base Tubes Standard | ASTM A179 |
| Material | A179 Base pipes and CS GB/T13237 Fins |
| Length | According to clients' need |
| Size and details | According to clients' need |
| Use | Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc |
| Packing | Ply-wooden Case With Iron Frame |
| Brand Name | YUHONG |
| Model Number | ASTM A179 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000 tons/month |
| Delivery Time | 70-90 days | Packaging Details | Ply-wooden Case With Iron Frame |
| Product | Fin Tubes or Finned Tube | Type | Longitudinal Finned Tubes |
| Base Tubes Standard | ASTM A179 | Material | A179 Base pipes and CS GB/T13237 Fins |
| Length | According to clients' need | Size and details | According to clients' need |
| Use | Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, etc | Packing | Ply-wooden Case With Iron Frame |
| Brand Name | YUHONG | Model Number | ASTM A179 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | CHINA |
| High Light | T13237 Longitudinal Finned Tube ，Custom Longitudinal Finned Tube ，T13237 finned pipe heat transfer | ||
| Attribute | Value |
|---|---|
| Product | Fin Tubes or Finned Tube |
| Type | Longitudinal Finned Tubes |
| Base Tubes Standard | ASTM A179 |
| Material | A179 Base pipes and CS GB/T13237 Fins |
| Length | Custom according to client requirements |
| Size and details | Custom according to client requirements |
| Use | Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators |
| Packing | Ply-wooden Case With Iron Frame |
Longitudinal finned tubes are produced by resistance welding fins along the long direction of the tube. The fins first form a U-shaped channel so that each leg of the U-shape forms a fin. The channel is cut to the appropriate length, then oriented along the length of the tube and resistance welded in place. The channels are pairs of soldered, diametrically opposed, so the number of fins specified must be a multiple of four.
Base pipe/tube materials: Carbon/alloy steel (A106, A333, A179, A335 P5, P22, P9), stainless steel (TP304, TP316L, TP321), copper alloy (CuNi 70/30, CuNi 90/10), and other materials.
Fin materials: Carbon steel, stainless steel, alloy steel, copper alloy, etc.
This specification covers minimum-wall-thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus. Covers tubes 1⁄8 to 3 in. [3.2 to 76.2 mm] in outside diameter.
| Grade | C | Mn | P | S |
|---|---|---|---|---|
| A179 | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 |
| Grade | Tensile Strength (min) | Yield Strength (0.2% Offset, min) | Elongation (min) | Hardness (max) |
|---|---|---|---|---|
| A179 | 47ksi (325 MPa) | 26ksi (180 MPa) | 35% | 72 HRB |
Ideal for power stations and high-temperature equipment in oil industry applications:
| Type | Description | Base tube O.D. (mm) | Fin pitch (mm) | Fin height (mm) | Fin thickness (mm) |
|---|---|---|---|---|---|
| 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 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
1990
Total Annual:
5000000-10000000
Employee Number:
50~100
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. The factories alre... 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. The factories alre...
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