ASTM A333 Hot-expanded Steel Pipe
ASTM A333 Low-Temperature Carbon Steel Pipe Manufacturer
Huayang Steel Pipe manufactures ASTM A333 hot-expanded steel pipes for low-temperature service applications. Using premium seamless mother pipes and advanced hot expansion technology, the finished products maintain excellent mechanical properties while providing larger diameters for demanding industrial projects.
ASTM A333 covers seamless and welded carbon and alloy steel pipes intended for low-temperature service where notch toughness is required. Huayang's hot-expanded ASTM A333 steel pipes are suitable for cryogenic systems, LNG facilities, petrochemical plants, refrigeration systems, and low-temperature pressure pipelines.
Supported by advanced manufacturing equipment and strict quality management, Huayang supplies high-quality ASTM A333 hot-expanded steel pipes with reliable dimensional accuracy, excellent toughness, and comprehensive inspection records.
ASTM A333 Available Grades
Huayang can manufacture hot-expanded steel pipes using ASTM A333 mother pipes in accordance with customer project requirements.
| Standard | Grade | Typical Service |
|---|---|---|
| ASTM A333 | Grade 1 | General low-temperature service |
| ASTM A333 | Grade 3 | Low-temperature pressure service |
| ASTM A333 | Grade 4 | Moderate low-temperature service |
| ASTM A333 | Grade 6 | Most commonly specified for LNG and cryogenic pipelines |
| ASTM A333 | Grade 7 | Low-temperature alloy steel applications |
Grade 6 is the most widely used grade for low-temperature carbon steel piping systems.
ASTM A333 Chemical Requirements
Typical chemical requirements for ASTM A333 Grade 6.
| Element | Requirement |
|---|---|
| Carbon | Max 0.30% |
| Manganese | 0.29–1.06% |
| Phosphorus | Max 0.025% |
| Sulfur | Max 0.025% |
| Silicon | Min 0.10% |
ASTM A333 Mechanical Requirements
Typical mechanical properties for ASTM A333 Grade 6.
| Property | Requirement |
|---|---|
| Tensile Strength | ≥415 MPa |
| Yield Strength | ≥240 MPa |
| Elongation | According to ASTM A333 |
| Impact Test | Charpy V-Notch at specified low temperature |
Size and Manufacturing Process of ASTM A333 Pipe
Based on Huayang production capability.
| Product Type | Manufacturing Process | Outside Diameter | Wall Thickness | Length |
|---|---|---|---|---|
| ASTM A333 Hot-expanded Pipe | Hot Expansion | Φ230–Φ820 mm | 5–20 mm | Customized |
ASTM A333 Product Specification
| Item | Specification |
|---|---|
| Standard | ASTM A333 / ASTM A333M |
| Product Type | Hot-expanded Carbon Steel Pipe |
| Base Material | ASTM A333 Seamless Mother Pipe |
| Manufacturing Process | Hot Expansion |
| Steel Grades | Grade 1, Grade 3, Grade 4, Grade 6, Grade 7 |
| Outside Diameter | Φ230–Φ820 mm |
| Wall Thickness | 5–20 mm |
| Length | Customized |
Hot Expansion Manufacturing Process
Huayang applies controlled hot expansion technology to enlarge seamless mother pipes while maintaining the low-temperature mechanical properties required by ASTM A333.
| Production Step | Description |
|---|---|
| Mother Pipe Inspection | Material verification |
| Heating | Uniform controlled heating |
| Hot Expansion | Diameter enlargement |
| Sizing | Diameter calibration |
| Straightening | Shape correction |
| Cooling | Controlled cooling |
| Final Inspection | Mechanical and dimensional inspection |
ASTM A333 Inspection Requirements
Each ASTM A333 hot-expanded steel pipe undergoes comprehensive inspection before delivery.
| Inspection Item | Test Method |
|---|---|
| Chemical Analysis | Spectrometer Analysis |
| Tensile Test | Mechanical Testing |
| Charpy Impact Test | Low-Temperature Impact Test |
| Hydrostatic Test | Hydraulic Pressure Test |
| Ultrasonic Testing | UT |
| Dimensional Inspection | Diameter, Thickness and Length |
| Surface Inspection | Visual Examination |
Low-Temperature Performance Requirements
ASTM A333 places particular emphasis on notch toughness at low temperatures.
| Performance Item | Requirement |
|---|---|
| Low-Temperature Toughness | Excellent |
| Impact Resistance | Qualified by Charpy Impact Test |
| Pressure Resistance | Suitable for pressure service |
| Weldability | Good |
| Dimensional Stability | Excellent |
Surface Treatment and Processing Services
Huayang provides complete downstream processing services for ASTM A333 steel pipes.
| 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 |
Applications of ASTM A333 Steel Pipe
ASTM A333 hot-expanded steel pipes are widely used in:
- LNG terminals
- Cryogenic storage facilities
- Natural gas processing plants
- Petrochemical plants
- Refrigeration systems
- Low-temperature pressure piping
- Energy infrastructure
- Chemical processing facilities
The combination of low-temperature toughness, reliable pressure performance, and large-diameter capability makes ASTM A333 hot-expanded steel pipes an ideal choice for demanding cryogenic and industrial applications.
Why Choose Huayang
| Advantage | Description |
|---|---|
| Product Standard | ASTM A333 |
| Available Grades | Grade 1, 3, 4, 6, 7 |
| Manufacturing Process | Hot Expansion |
| Diameter Range | Φ230–Φ820 mm |
| Wall Thickness | 5–20 mm |
| Inspection | UT, Hydrostatic Test, Charpy Impact Test |
| Processing Services | Coating, Cutting, Beveling |
| Custom Manufacturing | Available |