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ASTM A179 Seamless Cold-Drawn Tube – Heat Exchanger & Condenser Grade
Product Overview
ASTM A179 / ASME SA179 seamless cold-drawn low-carbon steel tubes for heat exchangers, condensers, and heat transfer equipment. Tight tolerances, smooth surface, uniform wall thickness.
✅ 100% hydrostatic & eddy current tested
✅ Mill test certificate EN 10204 3.1 provided
✅ Factory direct | Fast delivery
Key Specifications
| Parameter | Details |
|---|---|
| Standard | ASTM A179 / ASME SA179 |
| Type | Seamless, Cold-Drawn |
| Material | Low Carbon Steel |
| OD Range | 1/8″ – 3″ (3.2mm – 76.2mm) |
| WT Range | 0.5mm – 3mm (custom available) |
| Length | 3m – 12m |
| Surface | Bright annealed / As-drawn / Oiled |
Chemical Composition
| C | Mn | P | S |
|---|---|---|---|
| ≤0.25% | 0.27-0.63% | ≤0.035% | ≤0.035% |
Mechanical Properties
| Tensile Strength | Yield Strength | Elongation | Hardness |
|---|---|---|---|
| ≥325 MPa | ≥180 MPa | ≥35% | ≤72 HRB |
Key Advantages
| Feature | Benefit |
|---|---|
| Cold-drawn seamless | No weld seam, uniform wall |
| Low carbon | Excellent ductility |
| Smooth surface | Optimal heat transfer |
| 100% tested | Reliable quality |
Applications
Power plant condensers & feedwater heaters
Chemical heat exchangers & coolers
HVAC chillers & evaporators
Marine heat exchangers & oil coolers
Available Sizes (Stock)
| OD (inch) | OD (mm) | WT (mm) |
|---|---|---|
| 1/4" | 6.35 | 0.8-1.2 |
| 3/8" | 9.53 | 1.0-1.5 |
| 1/2" | 12.70 | 1.0-2.0 |
| 5/8" | 15.88 | 1.2-2.5 |
| 3/4" | 19.05 | 1.5-2.5 |
| 1" | 25.40 | 1.5-3.0 |
| 1-1/4" | 31.75 | 1.8-3.0 |
| 1-1/2" | 38.10 | 2.0-3.0 |
| 2" | 50.80 | 2.0-3.0 |
Quality Testing
Hydrostatic Test – 100%
Eddy Current Test – 100%
Flattening / Flaring Test
Tensile / Hardness Test
Processing Services
Cutting | Bending | Flaring | Threading | Surface treatment
Packaging
Bundles + anti-rust oil + plastic end caps + seaworthy export packing
Contact for Quote
Please provide: OD / WT / Length / Quantity
📧 Email: yjhtrade@gmail.com
📞 WhatsApp: +86 15106174543
🌐 Website:
Tags: ASTM A179 Heat Exchanger Tube Condenser Tube Seamless Tube
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