Tianjin Brisk Steel is one of the manufacturers of Straight Weld Steel Pipe in China. Our products are mainly exported to the Middle East, Southeast Asia, Europe, New Zealand, and other regions.If you would like to learn more about our products, feel free to contact us and send your purchase list.
PRODUCT
Tianjin BRISK STEEL focus on produce and supply hollow section and steel pipe




Why Choose Our Straight Weld Steel Pipes?
When sourcing piping for critical projects, reliability is non-negotiable. Our straight weld pipes (including ERW - Electric Resistance Welded and LSAW - Longitudinal Submerged Arc Welded) offer distinct advantages:
Uncompromised Structural Strength: Perfect uniform wall thickness and high yield strength make our pipes ideal for high-pressure and heavy-load applications.
Strict Quality Control: Every pipe undergoes rigorous non-destructive testing (NDT), including ultrasonic, eddy current, and hydrostatic testing, to ensure 100% weld integrity.
Global Standard Compliance: Fully certified to match international benchmarks, including API 5L, ASTM A53, ASTM A252, EN 10219, and more.
Custom Surface Treatments: Available with anti-corrosion coatings such as Black Painting, 3PE (Three-Layer Polyethylene), FBE (Fusion Bonded Epoxy), and Hot-Dip Galvanized finishes to extend operational lifespan.
Technical Specifications & Capabilities
We offer a comprehensive range of sizes and material grades to fit your specific project blueprints.
| Parameter | Specifications & Range |
| Manufacturing Process | ERW (Electric Resistance Weld), LSAW (Longitudinal Submerged Arc Weld) |
| Outer Diameter (OD) | ERW: 1/2" to 24" (21.3mm - 610mm) LSAW: 16" to 60" (406.4mm - 1524mm) |
| Wall Thickness (WT) | SCH10, SCH40, SCH80, SCH160, XS, XXS (Up to 50mm for LSAW) |
| Material Grades | API 5L: Grade B, X42, X46, X52, X60, X65, X70 ASTM A252: Grade 1, 2, 3 |
| Length | Fixed (5.8m, 6m, 11.8m, 12m) or Random Lengths (SRL/DRL) |
| End Finish | Beveled Ends (for welding), Plain Ends, or Threaded & Coupled |
Key Industry Applications
Our straight seam steel pipes are versatile workhorses utilized across multiple global sectors:
Oil & Gas Transportation: Long-distance onshore pipelines for crude oil, natural gas, and petroleum products.
Structural & Piling Engineering: High-load structural columns, bridge manufacturing, foundation piling, and offshore platform jackets.
Water & Slurry Utilities: Municipal water supply systems, sewage treatment, and industrial dredging/slurry transport.
HVAC & Fire Protection: Reliable fluid distribution networks in commercial and industrial high-rise buildings.



Frequently Asked Questions (FAQs)
FAQ
Q: What is the main difference between ERW and LSAW straight weld pipes?
A: The primary differences lie in the manufacturing process and size capacity. ERW (Electric Resistance Welding) is created by rolling steel coils and welding the seam using high-frequency electric current; it is typically used for small to medium diameters (up to 24"). LSAW (Longitudinal Submerged Arc Welding) uses heavy steel plates as raw material, molding them into an O-shape and utilizing arc welding; it is designed for heavy-wall, high-pressure, and large-diameter applications (up to 60").
Q: Do your steel pipes come with Mill Test Certificates (MTC)?
A: Yes, absolutely. Transparency and quality assurance are our top priorities. Every shipment is accompanied by a Mill Test Certificate (MTC) according to EN 10204 3.1, detailing the chemical composition, mechanical properties, hydrostatic test results, and non-destructive inspection compliance.
Q: Can you accommodate third-party inspections before shipping?
A: Yes. We welcome independent international inspection agencies chosen by the buyer-such as SGS, BV, Intertek, or Lloyd's Register-to conduct visual, dimensional, and laboratory testing at our facility prior to dispatch.
Q: What are your standard packaging and shipping options for overseas buyers?
A: To prevent damage during maritime transit, pipes under 6 inches are typically packed in hexagonal bundles secured with steel strips. Larger diameters are shipped loose with protective end caps to safeguard the bevels. We offer flexible shipping terms including FOB, CFR, and CIF, utilizing both container loading (20ft/40ft) and bulk vessels depending on order volume.
Contact Us
If you are interested in our Straight Weld Steel Pipe, please contact us with your specific requirements (specifications, quantity, material, surface treatment, etc.), and we will provide you with a detailed quotation and product sample as soon as possible. We look forward to establishing long-term cooperative relationships with you!!




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