YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C,T/T |
| Supply Ability | 10000 tons/month |
| Delivery Time | 5---75 days |
| Packaging Details | IRON FRAME CASE WITH PLASTIC CAP |
| Base Tube Material | Carbon Steel, SA179, SA192, A106 |
| Length | Max 25M/PC |
| Fin Wall thickness | ~0.3mm |
| Fin pitch | 19-26-27-28-30-36 fins per inch |
| Fin height | ＜1.4mm |
| Brand Name | YUHONG GROUP |
| Place of Origin | CHINA, KOREA |
| Certification | ASME, U STAMP, API,ASME, ABS, LR, DNV, GL , BV, KR, TS, CCS |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 10000 tons/month |
| Delivery Time | 5---75 days | Packaging Details | IRON FRAME CASE WITH PLASTIC CAP |
| Base Tube Material | Carbon Steel, SA179, SA192, A106 | Length | Max 25M/PC |
| Fin Wall thickness | ~0.3mm | Fin pitch | 19-26-27-28-30-36 fins per inch |
| Fin height | ＜1.4mm | Brand Name | YUHONG GROUP |
| Place of Origin | CHINA, KOREA | Certification | ASME, U STAMP, API,ASME, ABS, LR, DNV, GL , BV, KR, TS, CCS |
| High Light | DNV Integral Low Fin Tubes ，extruded Integral Low Fin Tubes ，ASME extruded aluminum fins | ||
Low fin tubes (also called integral fin tubes) are used in heat exchangers, boilers, and condensers to enhance heat transfer efficiency. Their strength depends on material properties, fin geometry, and manufacturing processes.
| Property | ASTM A179 | ASTM A192 | ASTM A210 |
|---|---|---|---|
| Tensile Strength | ≥325 MPa | ≥325 MPa | ≥415 MPa |
| Yield Strength | ≥180 MPa | ≥180 MPa | ≥255 MPa |
| Elongation (%) | ≥35% | ≥35% | ≥30% |
| Hardness (HB) | ≤72 HRB | ≤77 HRB | ≤79 HRB |
| Parameter | Typical Range | Effect on Strength |
|---|---|---|
| Fin Height | 0.8-1.5 mm | ↑ Height → ↓ Burst Pressure |
| Fin Pitch | 19-40 fins/inch | Denser fins → Slightly weaker |
| Base Wall Thickness | 1.2-3.0 mm | Thicker → Higher pressure rating |
Burst Pressure: Typically 20-30% lower than smooth tubes due to fin formation.
Collapse Strength: Fins add rigidity but reduce internal pressure resistance.
| Property | Low Fin Tube | Smooth Tube |
|---|---|---|
| Tensile Strength | Similar | Similar |
| Burst Pressure | ~70-80% of smooth | 100% (reference) |
| Fatigue Resistance | Slightly lower | Higher |
| Corrosion Resistance | Similar (but fins trap deposits) | Better for clean fluids |
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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