ASTM A179 A178 Gr.B Carbon Steel Seamless U-Bend Boiler Tube 19.05mm OD with 325 MPa Tensile Strength
Price:
800 - 9000 USD / ton
MOQ:
5T
Delivery Time:
60-75days
Brand:
HDT
Product Description
ASTM A179/A178 Grade B Carbon Steel Seamless U-Bend Boiler Tube
Cold-drawn seamless tubing specifically designed for heat exchangers, condensers, and heat transfer equipment with 19.05mm outside diameter in black finish.
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.06-0.18 |
| Manganese (Mn) | 0.27-0.63 |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.035 max |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 325 MPa min |
| Yield Strength | 180 MPa min |
| Elongation | 35% min |
| Hardness (HRB) | 72 max |
Dimensional Specifications
Outside Diameter Tolerances
| 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 |
Wall Thickness Tolerances
| Diameter Range (mm) | Tolerance (%) |
|---|---|
| 3.2 ≤ OD | +20/-0 |
| 38.1 ≤ OD ≤ 76.2 | +22/-0 |
Available Lengths
Standard lengths: 5800mm, 6000mm, 6096mm, 7315mm, 11800mm
Maximum length: 27000mm
Key Features & Benefits
- Superior corrosion resistance with dense zinc coating protection
- Excellent mechanical properties with tensile strength of 325 MPa minimum
- Enhanced ductility allowing for cold forming, bending, and drawing operations
- Heat treatment equivalent properties improving steel matrix mechanical characteristics
- Bright, aesthetically pleasing surface finish
- Flexible pure zinc layer providing exceptional durability
Applications
Widely used in petroleum, chemical processing, medical equipment, food processing, light industry, machinery instrumentation, industrial pipelines, and mechanical structural components.
Delivery Information
Available from stock for immediate delivery or custom production within 10-40 days. Material Test Certificates provided.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Location
Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
Contact Person
Yolanda Zou