Products Description
GOST 10705 Steel Pipe Manufacturer
Huayang Steel Pipe manufactures GOST 10705 electric welded steel pipes for industrial, structural, water transmission, oil and gas, and mechanical engineering applications. Manufactured using advanced High Frequency Welding (HFW) technology, our products comply with the technical requirements specified in GOST 10705, ensuring reliable weld quality, excellent dimensional accuracy, and stable mechanical performance.
GOST 10705 specifies the technical requirements for longitudinal electric welded steel pipes manufactured from carbon steel. The standard defines steel grades, chemical composition, mechanical properties, manufacturing requirements, inspection methods, and acceptance criteria. It is commonly used together with GOST 10704 for dimensional requirements and GOST 10706 for large-diameter welded steel pipes.
GOST 10705 Steel Pipe Product Range
Based on Huayang manufacturing capability.
| Product Type | Manufacturing Process | Outside Diameter | Wall Thickness | Length |
|---|---|---|---|---|
| GOST 10705 ERW Steel Pipe | HFW / ERW | Φ48–Φ660.4 mm | 2.0–22 mm | 6–27 m |
| GOST 10705 Large Diameter Pipe | LSAW | Φ406.4–Φ2800 mm | 7–50 mm | 6–12.5 m |
GOST 10705 Steel Pipe Specification
| Item | Specification |
|---|---|
| Standard | GOST 10705 |
| Product | Electric Welded Steel Pipe |
| Manufacturing Process | HFW / ERW / LSAW |
| Outside Diameter | Φ48–Φ2800 mm |
| Wall Thickness | 2.0–50 mm |
| Length | 6–27 m or Customized |
| Pipe End | Plain End / Beveled End |
| Surface | Black, Oiled, or Coated |
Available Steel Grades
Huayang supplies GOST 10705 steel pipes in accordance with customer requirements.
| Steel Grade | Material Type | Typical Application |
|---|---|---|
| St2sp | Carbon Steel | General Engineering |
| St3sp | Structural Carbon Steel | Building Structures |
| 08 | Low Carbon Steel | Water Supply Systems |
| 10 | Carbon Steel | Industrial Pipelines |
| 20 | Carbon Steel | Medium Pressure Pipelines |
| 09G2S | Low-Alloy Steel | Low-Temperature Pipelines |
Typical Chemical Requirements
Typical chemical composition for commonly used grades.
| Element | St3sp | Steel 20 |
|---|---|---|
| Carbon | ≤0.22% | 0.17–0.24% |
| Manganese | 0.40–0.65% | 0.35–0.65% |
| Silicon | 0.05–0.17% | 0.17–0.37% |
| Phosphorus | ≤0.040% | ≤0.035% |
| Sulfur | ≤0.050% | ≤0.035% |
Mechanical Requirements
Mechanical properties depend on the selected steel grade.
| Steel Grade | Yield Strength | Tensile Strength | Elongation |
|---|---|---|---|
| St2sp | ≥225 MPa | 330–430 MPa | ≥25% |
| St3sp | ≥245 MPa | 370–490 MPa | ≥23% |
| Steel 20 | ≥245 MPa | 410–540 MPa | ≥24% |
| 09G2S | ≥345 MPa | 490–640 MPa | ≥21% |
Manufacturing Process
Huayang utilizes advanced production technology to ensure consistent weld quality.
| Production Step | Description |
|---|---|
| Steel Coil Inspection | Chemical and Mechanical Verification |
| Coil Slitting | Edge Preparation |
| Roll Forming | Precision Cold Forming |
| High Frequency Welding | Longitudinal Weld Formation |
| Weld Bead Removal | Internal and External Scarfing |
| Online Sizing | Diameter Calibration |
| Straightening | Shape Correction |
| Final Inspection | Comprehensive Quality Control |
Technical Requirements
GOST 10705 establishes strict technical requirements for welded steel pipes.
| Requirement | Description |
|---|---|
| Weld Integrity | Continuous and Uniform Weld Seam |
| Surface Quality | Free from Harmful Defects |
| Outside Diameter Tolerance | According to GOST Requirements |
| Wall Thickness Tolerance | Controlled Within Standard Limits |
| Straightness | According to Standard |
| End Preparation | Plain End or Beveled End |
Inspection and Testing
Each GOST 10705 steel pipe is subjected to comprehensive quality inspection.
| Inspection Item | Test Method |
|---|---|
| Chemical Analysis | Spectrometer |
| Tensile Test | Mechanical Testing |
| Flattening Test | Standard Requirement |
| Bend Test | When Required |
| Hydrostatic Test | Hydraulic Pressure Test |
| Ultrasonic Testing | UT |
| Eddy Current Testing | Available |
| Weld Inspection | Visual Examination |
| Dimensional Inspection | Diameter, Thickness, Length |
| Surface Inspection | Visual Examination |
Surface Treatment and Processing Services
Huayang offers comprehensive value-added 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 |
| 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 GOST 10705 Steel Pipe
GOST 10705 steel pipes are widely used in:
- Oil and gas transmission
- Water supply and drainage
- Industrial pipeline systems
- Structural engineering
- Mechanical manufacturing
- Energy facilities
- Municipal infrastructure
- Agricultural irrigation
- General engineering projects
The standard's comprehensive technical requirements ensure reliable performance in both structural and fluid transportation applications.
Why Choose Huayang GOST 10705 Steel Pipe
| Advantage | Description |
|---|---|
| Standard | GOST 10705 |
| Manufacturing Process | HFW / ERW / LSAW |
| Outside Diameter | Φ48–Φ2800 mm |
| Wall Thickness | 2.0–50 mm |
| Maximum Length | 27 m |
| Available Grades | St2sp, St3sp, Steel 20, 09G2S |
| Inspection | UT, Hydrostatic Test, Mechanical Testing |
| Value-Added Services | Coating, Cutting, Beveling |
| Customized Production | According to Project Specifications |
GOST 10705 Technical Comparison
| Standard | Primary Scope | Main Purpose |
|---|---|---|
| GOST 10704 | Dimensions and Tolerances | Size Standard |
| GOST 10705 | Technical Requirements | Materials, Mechanical Properties and Inspection |
| GOST 10706 | Large Diameter Welded Steel Pipe | Heavy Wall and Large Diameter Applications |