Product Introduction
Welded Special Shaped Steel Pipe is made of high-quality carbon steel, alloy steel, or stainless steel strip, and is manufactured through precision cold bending and high-frequency ERW welding. It can produce various irregular cross-sections such as elliptical, D-shaped, triangular, and hexagonal.
Technical Specifications
|
Item |
Specification |
|
Product Name |
Welded Special Shaped Steel Pipe |
|
Manufacturing Process |
ERW / HFW & Cold Roll Forming |
|
Profiles |
Oval, Flat Oval, D Shape, Triangle, Hexagon, Custom |
|
Material |
Carbon Steel / Alloy Steel / Stainless Steel |
|
Steel Grade |
ASTM, EN, JIS, DIN, GB |
|
Size Range |
Customized |
|
Wall Thickness |
0.8–8.0 mm |
|
Length |
3–12 m or Custom |
|
Surface Finish |
Black, Oiled, Pickled, Galvanized, Powder Coated |
|
Tolerance |
ASTM / EN or Customer Requirements |
|
End Finish |
Plain, Beveled, Threaded, Custom |
|
Processing |
Cutting, Punching, Drilling, Bending, Laser Cutting |
|
Inspection |
Dimensional, Mechanical, Weld, NDT (Optional) |
|
Certification |
ISO 9001, EN 10204 3.1 MTC |
Manufacturing Process
Raw Material Inspection: Inspecting the material, dimensions, and surface quality of the steel strip to ensure raw material stability.
Precision Forming: Multi-pass roll forming to ensure consistent cross-sectional dimensions.
High-Frequency Welding: Continuous ERW welding for strong and stable welds.
Sizing and Cutting: Online sizing, straightening, and length cutting to ensure processing accuracy.
Surface Treatment: Supports pickling, galvanizing, powder coating, painting, and rust prevention treatments.
Finished Product Inspection: Packaging and shipment after completing dimensional, weld, and performance inspections.
Customization Capabilities
Cross-Section Customization: Supports the development of various standard and non-standard irregular cross-sections.
Dimension Customization: Supports customization of dimensions, wall thickness, length, tolerances, and radius (R-angle).
Deep Processing: Provides cutting, punching, drilling, bending, tapping, and laser cutting services.
OEM Service: Supports DWG, STEP, and other drawings, providing sampling and mass production services.
Applications
Building Structures: Steel structures, railings, curtain walls, and supporting frames.
Automotive Manufacturing: Seat frames, reinforcing beams, and structural components.
Furniture Industry: Office furniture, shelving, and display racks.
Fitness Equipment: Treadmills, strength training equipment, and exercise equipment.
Industrial Equipment: Automated equipment, mechanical frames, and conveyor systems.
Quality Control
Raw Material Traceability: Material certificates are available for each batch of raw materials.
In-Process Inspection: Strict control over forming, welding, and dimensional accuracy.
Finished Product Inspection: Dimensional, mechanical property, and weld inspections are provided; non-destructive testing can be performed upon request.
Inspection Documents: Supports EN 10204 3.1 MTC and third-party inspections by SGS, BV, and TÜV.
Packaging & Shipping
Export Packaging: Steel strapping, waterproof packaging, wooden crates, or pallet packaging, providing rust protection.
Global Shipping: Supports container, bulk carrier, and rail transport.
Customized Packaging: Supports OEM labels, customer markings, and customized packaging.
FAQ
Q: Do you support custom orders based on provided drawings?
A: Yes, we can produce according to drawings or samples.
Q: What materials can you produce?
A: Carbon steel, alloy steel, and stainless steel.
Q: Which standards do you comply with?
A: ASTM, EN, JIS, DIN, GB, etc.
Q: What testing documents do you provide?
A: We can provide EN 10204 3.1 MTC and test reports.
Q: Do you support third-party inspections?
A: We support inspections by SGS, BV, TÜV, and other organizations.
Q: What deep processing services do you support?
A: Cutting, punching, drilling, bending, and laser cutting.
Q: What is the delivery time?
A: Delivery time depends on specifications and quantity.
Q: Do you support small batch orders?
A: We support samples and small batch trial orders.
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