ASTM A179 Carbon Steel Seamless Boiler Tube 325 MPa Tensile Strength with U-Bend Configuration
Carbon steel seamless boiler tube manufactured to ASTM A179 Grade B specifications, featuring minimum wall thickness and cold-drawn U-bend configuration. Designed for tubular heat exchangers, condensers, and similar heat transfer apparatus.
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.06-0.18 |
| Manganese (Mn) | 0.27-0.63 |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.035 max |
| Property | Value |
|---|---|
| Tensile Strength | 325 MPa min |
| Yield Strength | 180 MPa min |
| Elongation | 35% min |
| Hardness (HRB) | 72 max |
ASTM A179 seamless steel pipes are widely used in petroleum, chemical, medical, food, light industry, machinery, and instrumentation sectors. Suitable for industrial pipelines and mechanical structural components.
- Cold-drawn manufacturing process for superior surface finish
- Excellent corrosion resistance with protective zinc coating
- Enhanced mechanical properties through annealing treatment
- Superior ductility for bending and forming operations
- Available in standard lengths up to 27,000mm
- U-bend configurations available for heat exchanger applications
| OD Range (mm) | Tolerance (mm) |
|---|---|
| 3.2 ≤ OD | ±0.10 |
| 25.4 ≤ OD ≤ 38.1 | ±0.15 |
| 38.1 | ±0.20 |
| 50.8 ≤ OD | ±0.25 |
| 63.5 ≤ OD | ±0.30 |
| 76.2 | ±0.38 |
| OD Range (mm) | Tolerance (%) |
|---|---|
| 3.2 ≤ OD | +20/-0 |
| 38.1 ≤ OD ≤ 76.2 | +22/-0 |
Standard lengths: 5800mm, 6000mm, 6096mm, 7315mm, 11800mm. Maximum length: 27000mm.
Standard: ASTM A179 / ASME SA179. Material Test Certificate available. Delivery time: Prompt stock availability or 10-40 days for production orders.
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