ASTM A179 Grade B Carbon Steel Seamless Boiler Pipe 325 MPa Tensile Strength with U-Bend Option
Seamless cold-drawn annealed carbon steel pipe manufactured according to ASTM A179 Grade B specification. Designed for tubular heat exchangers, condensers, and similar heat transfer applications with U-bend configuration capability.
| 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 |
| Diameter 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 |
| Diameter 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
U-Bend Capability: Available with custom sizing options
- Cold-drawn seamless construction for superior dimensional accuracy
- Low carbon annealed material for enhanced formability and weldability
- Excellent corrosion resistance with protective zinc oxide layer formation
- Superior wear resistance due to solid zinc-iron alloy bonding
- Maintains coating integrity during bending, rolling, and forming operations
- Enhanced mechanical properties through annealing treatment
- Bright, aesthetically pleasing surface finish
- Excellent ductility and flexibility for complex configurations
Widely used in petroleum, chemical processing, medical equipment, food processing, light industry, machinery, instrumentation, and various industrial pipeline systems.
Standard: ASTM A179 / ASME SA179
Delivery Time: Prompt stock availability or 10-40 days for production orders
Certification: Material Test Certificate (MTC) available
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.