YUHONG HOLDING GROUP CO., LTD
YUHONG HOLDING GROUP CO., LTD
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| Property | Base Tube (ASTM A179) | Fins (Q235B Carbon Steel) |
|---|---|---|
| Outer Diameter (OD) | 15.88 mm - 76.2 mm | Customizable based on design |
| Wall Thickness | 1.2 mm - 4.0 mm | - |
| Fin Thickness | - | 2.0 mm - 5.0 mm |
| Number of Fins | - | 8 - 12 fins per tube (typical) |
| Fin Height | - | 10 mm - 25 mm |
| Fin Attachment | Welded |
| Element | ASTM A179 (Base Tube) | Q235B (Fin) |
|---|---|---|
| Carbon (C) | 0.06 - 0.18% | ≤ 0.22% |
| Manganese (Mn) | 0.27 - 0.63% | 0.30 - 0.70% |
| Phosphorus (P) | ≤ 0.035% | ≤ 0.045% |
| Sulfur (S) | ≤ 0.035% | ≤ 0.050% |
| Silicon (Si) | - | ≤ 0.35% |
| Property | ASTM A179 (Base Tube) | Q235B (Fin) |
|---|---|---|
| Tensile Strength | ≥ 325 MPa | 375 - 500 MPa |
| Yield Strength | ≥ 180 MPa | 235 MPa (min) |
| Elongation | ≥ 35% | ≥ 20% |
