1. Product Name: ASTM A179 /GOST8732-78/GOST8733-74/GOST8734-75 Heat Exchanger and Condenser Seamless Cold Drawn Low Carbon Steel Tube
2. Size Range: OD: 3.2-76.2mm, WT: 1-10mm, Length: 5.8m/6m, maximal 18m
3. Stable Quality with Comeptitive Price
4. High Preformance and Longer Working Life
Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
| Product Name | ASTM A179 Seamless Cold Drawn Heat Exchanger Tube |
| Material | ST35, E235, 1010, 10# |
| Delivery Condition | Heat Treatment |
| Standard | ASTM A179 |
| Application | Heat Exchanger, Condensers and similar heat transfer apparatus |
| Certificate | ISO 9001 |
| HS code | 7304319000 |
| Delivery Time | 40 days |
| Packing | Bundles or Wooden Boxes |
| Chemical Composition | C | Mn | P ≤ | S ≤ | Si ≤ |
| 0.06--0.18 | 0.27--0.63 | 0.035 | 0.035 | 0.25 |
| OD Inch(mm) | + | -- | WT Inch(mm) | + | -- |
| ＜1(25.4) | 0.10 | 0.10 | ≤1. 1/2 (38.1) | 20% | 0 |
1 to 1.1/2 (25.4 to 38.1) | 0.15 | 0.15 | ＞1. 1/2 | 22% | 0 |
1.1/2 to 2 (38.1 to 50.8) | 0.20 | 0.20 | |||
2 to 2. 1/2 (50.8 to 63.5) | 0.25 | 0.25 | |||
2. 1/2 to 3 (63.5 to 76.2) | 0.30 | 0.30 |
