ASTM A106 Hot-expanded Steel Pipe
ASTM A106 Hot-expanded Steel Pipe Manufacturer
Huayang Steel Pipe manufactures ASTM A106 hot-expanded steel pipes for high-temperature service applications. Using premium seamless mother pipes and advanced hot expansion technology, the production process enlarges the pipe diameter while maintaining excellent mechanical properties and dimensional accuracy.
ASTM A106 is one of the most widely recognized standards for seamless carbon steel pipe intended for high-temperature service. Hot-expanded ASTM A106 pipes provide an economical solution for large-diameter applications where seamless performance and enhanced diameter capability are required.
With advanced hot expansion equipment and comprehensive inspection procedures, Huayang supplies ASTM A106 hot-expanded steel pipes for power generation, oil and gas transportation, petrochemical facilities, refinery projects, and industrial pipeline systems.
ASTM A106 Steel Grades
Huayang manufactures hot-expanded steel pipes based on ASTM A106 seamless mother pipes.
| Standard | Grade | Typical Application |
|---|---|---|
| ASTM A106 | Grade A | General high-temperature service |
| ASTM A106 | Grade B | Oil & Gas, Petrochemical, Industrial Pipelines |
| ASTM A106 | Grade C | High-strength pressure systems |
Grade B is the most commonly supplied material for industrial piping and energy infrastructure projects due to its balanced strength, weldability, and high-temperature performance.
ASTM A106 Chemical Requirements
| Element | Grade A | Grade B | Grade C |
|---|---|---|---|
| Carbon Max | 0.25% | 0.30% | 0.35% |
| Manganese | 0.27–0.93% | 0.29–1.06% | 0.29–1.06% |
| Phosphorus Max | 0.035% | 0.035% | 0.035% |
| Sulfur Max | 0.035% | 0.035% | 0.035% |
| Silicon Min | 0.10% | 0.10% | 0.10% |
ASTM A106 Mechanical Requirements
| Property | Grade A | Grade B | Grade C |
|---|---|---|---|
| Tensile Strength | ≥330 MPa | ≥415 MPa | ≥485 MPa |
| Yield Strength | ≥205 MPa | ≥240 MPa | ≥275 MPa |
Size and Manufacturing Process of ASTM A106 Hot-expanded Steel Pipe
Based on Huayang production capability.
| Product Type | Manufacturing Process | Outside Diameter | Wall Thickness | Length |
|---|---|---|---|---|
| ASTM A106 Hot-expanded Pipe | Hot Expansion | Φ230–Φ820 mm | 5–20 mm | Customized |
ASTM A106 Hot Expansion Process
Huayang adopts an advanced hot expansion process to increase pipe diameter while maintaining the mechanical performance of the seamless mother pipe.
| Production Step | Description |
|---|---|
| Seamless Mother Pipe Inspection | Material verification |
| Heating | Controlled heating process |
| Hot Expansion | Mechanical diameter expansion |
| Sizing | Diameter calibration |
| Cooling | Controlled cooling |
| Straightening | Shape correction |
| Final Inspection | Dimensional and mechanical inspection |
ASTM A106 Product Specification
| Item | Specification |
|---|---|
| Standard | ASTM A106 / ASTM A106M |
| Product Type | Hot-expanded Carbon Steel Pipe |
| Manufacturing Process | Hot Expansion |
| Base Material | ASTM A106 Seamless Mother Pipe |
| Steel Grades | Grade A, Grade B, Grade C |
| Outside Diameter | Φ230–Φ820 mm |
| Wall Thickness | 5–20 mm |
| Length | Customized |
ASTM A106 Inspection Requirements
Each ASTM A106 hot-expanded steel pipe undergoes comprehensive quality inspection.
| Inspection Item | Test Method |
|---|---|
| Chemical Analysis | Spectrometer |
| Tensile Test | Mechanical Testing |
| Flattening Test | According to ASTM A106 |
| Hydrostatic Test | Hydraulic Pressure Testing |
| Ultrasonic Testing | UT |
| Dimensional Inspection | Diameter & Wall Thickness |
| Surface Inspection | Visual Examination |
Surface Treatment and Processing Services
Huayang provides complete downstream processing services.
| Service | Capability |
|---|---|
| FBE Coating | Available |
| 2PE Coating | Available |
| 3PE Coating | Available |
| 2PP Coating | Available |
| 3PP Coating | Available |
| Internal Epoxy Coating | Available |
| Pipe Cutting | Customized |
| Beveling | Available |
| Hydrostatic Testing | Available |
Anti-Corrosion Processing Capacity
| Item | Production Range |
|---|---|
| Outside Diameter | Φ159–Φ1626 mm |
| Wall Thickness | 4–40 mm |
| Length | 8–16 m |
Advantages of ASTM A106 Hot-expanded Steel Pipe
| Feature | Benefit |
|---|---|
| Large Diameter Capability | Expands seamless pipe to larger diameters |
| Excellent High-Temperature Performance | Suitable for elevated-temperature service |
| Uniform Wall Thickness | Stable dimensional accuracy |
| Good Weldability | Easy field installation |
| High Pressure Resistance | Reliable pipeline performance |
| Cost-Effective | Lower cost than large-diameter seamless pipe |
Applications of ASTM A106 Hot-expanded Steel Pipe
ASTM A106 hot-expanded steel pipes are widely used in:
- Oil and gas transmission systems
- Petrochemical plants
- Refineries
- Thermal power plants
- High-temperature process piping
- Steam transmission systems
- Industrial pressure pipelines
- Energy infrastructure projects
By combining seamless material performance with hot expansion technology, Huayang provides economical large-diameter steel pipe solutions that meet the demanding requirements of high-temperature industrial applications.
Why Choose Huayang
| Advantage | Description |
|---|---|
| Product Standard | ASTM A106 |
| Steel Grades | Grade A, Grade B, Grade C |
| Production Process | Hot Expansion |
| Diameter Range | Φ230–Φ820 mm |
| Wall Thickness | 5–20 mm |
| Processing Services | Coating, Cutting, Beveling |
| Inspection | Hydrostatic Test, UT, Mechanical Testing |
| Custom Manufacturing | Available |