ASTM A134 Electric Fusion Welded Steel Pipe
ASTM A134 Steel Pipe Manufacturer
Huayang Steel Pipe manufactures ASTM A134 electric fusion welded steel pipes for large-diameter structural and pressure applications. Produced using advanced double-sided submerged arc welding technology, ASTM A134 pipes provide excellent strength, dimensional accuracy, and welding integrity for demanding engineering projects.
ASTM A134 covers electric fusion (arc) welded steel pipes manufactured from carbon steel plates or coils. The standard is primarily intended for large-diameter welded pipes used in water transmission, industrial facilities, structural construction, pumping stations, bridge engineering, and infrastructure projects.
With modern JCOE and RBE forming technologies, Huayang supplies ASTM A134 steel pipes in a wide range of diameters and wall thicknesses, supported by comprehensive inspection and customized processing services.
ASTM A134 Product Overview
| Item | Specification |
|---|---|
| Standard | ASTM A134 / ASTM A134M |
| Product Type | Electric Fusion Welded Steel Pipe |
| Manufacturing Process | Double-Sided Submerged Arc Welding (DSAW) |
| Pipe Shape | Round Pipe |
| Base Material | Carbon Steel Plate |
| Pipe Ends | Plain End / Beveled End |
| Delivery Condition | Bare Pipe or Coated Pipe |
Size and Manufacturing Process of ASTM A134 Pipe
Based on Huayang's manufacturing capability.
| Product Type | Manufacturing Process | Outside Diameter | Wall Thickness | Length |
|---|---|---|---|---|
| ASTM A134 LSAW Pipe | Double-Sided SAW | Φ406.4–Φ2800 mm | 7–50 mm | 6–12.5 m |
| Large Diameter Pipe | RBE Forming + SAW | Up to Φ2800 mm | Up to 50 mm | Customized |
ASTM A134 Available Steel Materials
ASTM A134 pipes can be manufactured using carbon steel plates suitable for structural and pressure applications.
| Material | Typical Application |
|---|---|
| ASTM A36 | Structural projects |
| ASTM A283 Grade C | General engineering |
| ASTM A572 | High-strength structures |
| ASTM A516 Grade 60 | Pressure service |
| ASTM A516 Grade 70 | Industrial pressure systems |
| Customer Specified Material | Available |
ASTM A134 Manufacturing Process
Huayang applies advanced manufacturing technology throughout the production process.
| Production Step | Description |
|---|---|
| Plate Inspection | Raw material verification |
| Plate Edge Milling | Edge preparation for welding |
| Forming | JCOE or RBE Forming |
| Tack Welding | Initial seam welding |
| Internal SAW | Internal submerged arc welding |
| External SAW | External submerged arc welding |
| Pipe Expansion | Mechanical expansion when required |
| Final Inspection | Complete dimensional and NDT inspection |
ASTM A134 Dimensional Requirements
| Parameter | Production Range |
|---|---|
| Outside Diameter | Φ406.4–Φ2800 mm |
| Wall Thickness | 7–50 mm |
| Pipe Length | 6–12.5 m |
| Length Tolerance | According to customer specification |
| End Preparation | Plain End / Beveled End |
ASTM A134 Welding Requirements
ASTM A134 requires welded joints with excellent structural integrity and consistent quality.
| Requirement | Description |
|---|---|
| Welding Method | Electric Fusion Welding |
| Welding Process | Double-Sided Submerged Arc Welding |
| Weld Seam | Continuous Longitudinal Weld |
| Welding Procedure | Qualified WPS/PQR |
| Welders | Qualified Operators |
ASTM A134 Inspection and Testing
Every ASTM A134 pipe is manufactured under strict quality control procedures.
| Inspection Item | Test Method |
|---|---|
| Chemical Analysis | Spectrometer |
| Mechanical Testing | Tensile Test |
| Weld Inspection | Visual Examination |
| Ultrasonic Testing | UT |
| Radiographic Testing | RT Available |
| Hydrostatic Testing | Available According to Project Requirements |
| Dimensional Inspection | Diameter, Thickness, Length |
| Surface Examination | Visual Inspection |
ASTM A134 Mechanical Performance
Mechanical properties depend on the selected base material.
Typical performance characteristics include:
| Property | Performance |
|---|---|
| High Structural Strength | Excellent |
| Weld Integrity | Excellent |
| Dimensional Accuracy | High |
| Pressure Resistance | Suitable for Low and Medium Pressure Service |
| Fabrication Performance | Excellent |
Surface Protection and Processing Services
Huayang provides complete value-added processing services.
| Service | Capability |
|---|---|
| FBE Coating | Available |
| 2PE Coating | Available |
| 3PE Coating | Available |
| 2PP Coating | Available |
| 3PP Coating | Available |
| Internal Epoxy Coating | Available |
| Pipe Expansion | Available |
| Beveling | Available |
| Hydrostatic Testing | Available |
| Steel Pipe Fabrication | 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 A134 Steel Pipe
ASTM A134 steel pipes are widely used in:
- Large-diameter water transmission systems
- Municipal water supply projects
- Industrial piping systems
- Pumping stations
- Structural engineering
- Bridge construction
- Marine engineering
- Foundation structures
- Energy infrastructure
The large diameter capability and excellent weld quality make ASTM A134 an ideal solution for projects requiring reliable structural performance and long service life.
Why Choose Huayang ASTM A134 Steel Pipe
| Advantage | Description |
|---|---|
| Maximum Diameter | Φ2800 mm |
| Wall Thickness | Up to 50 mm |
| Forming Technology | JCOE & RBE |
| Welding Technology | Double-Sided SAW |
| Inspection | UT, RT, Hydrostatic Test |
| Processing Services | Coating, Pipe Expansion, Deep Processing |
| Customized Manufacturing | Available |
| Quality Management | Complete Production Traceability |
Technical Features
| Feature | Benefit |
|---|---|
| Large Diameter Manufacturing | Suitable for major infrastructure projects |
| High Weld Quality | Reliable long-term service performance |
| Heavy Wall Capability | Enhanced load-bearing capacity |
| Strict Quality Inspection | Meets international project requirements |
| Comprehensive Processing Services | One-stop supply solution |