Weld Carbon Steel Pipe
Products Specifications
|
Category |
Details |
|
Product |
Welded Carbon Steel Pipe |
|
Types |
ERW (High-Frequency Electric Resistance Welded), LSAW (Longitudinal Submerged Arc Welded), Spiral Submerged Arc Welded (SSAW) |
|
Grades |
ASTM A53 Grade B, API 5L (Grade B, X42-X70, PSL1/PSL2), Q235/Q345, J55 |
|
Sizes |
NPS 1/2" - 24" (ERW); NPS 16" - 60" (LSAW/SSAW) |
|
Wall Thickness |
Schedule 10 - Schedule 160, STD, XS, XXS |
|
Length |
6m, 12m, or custom lengths up to 18m |
|
Surface Finishes |
Black (mill scale + rust-inhibitive oil), Hot-Dip Galvanized (≥85μm), Epoxy Coated, 3PE Anti-Corrosion |
Key Performance Advantages
Weld Carbon Steel Pipe
|
Feature |
Benefit |
|
High-Strength Welds |
HF-ERW and submerged arc welding ensure uniform stress distribution, withstanding up to 70,000 PSI tensile strength |
|
Corrosion Resistance |
HDG coating and epoxy protection extend service life in underground, coastal, or chemical environments |
|
Cost Efficiency |
30% lower production cost than seamless pipes, with comparable structural integrity |
|
Customization |
Tailored diameters, thicknesses, and coatings for project-specific needs |
|
Certifications |
API 5L PSL2, ASTM A53, EN 10204 Type 3.1, NFPA 13 (fire protection compliant) |
Application
Weld Carbon Steel Pipe
|
Industry |
Recommended Pipe Type & Usage |
|
Oil & Gas |
API 5L X60/X70 ERW/SSAW pipes for onshore/offshore transmission lines |
|
Municipal Engineering |
ASTM A53 Grade B pipes for water supply, drainage, and sewage systems |
|
Construction |
Q235 ERW pipes for structural scaffolding, bridge piers, and piling |
|
Power Generation |
Epoxy-coated pipes for steam, cooling water, and ash disposal lines |
|
Fire Protection |
NFPA 13 compliant black steel pipes for sprinkler systems |
Quality Assurance Process
|
Stage |
Inspection Standards |
|
Raw Material |
100% traceability of hot-rolled coils, chemical composition testing |
|
Welding |
Real-time ultrasonic and eddy current testing for weld integrity |
|
Post-Weld |
Hydraulic pressure testing (up to 1.5x working pressure), mechanical property testing |
|
Finishing |
Coating thickness measurement, salt spray testing for corrosion resistance |
|
Packaging |
Sea-worthy wooden crates with plastic wrapping to prevent damage during transit |
Ordering & Logistics
|
Service |
Details |
|
MOQ |
1 Ton (stock items); 20 Tons (custom orders) |
|
Lead Time |
2-3 days for stock; 7-15 days for custom production |
|
Packaging |
Standard: Bundled with steel straps; Custom: Wooden pallets or crates |
|
Delivery |
FOB Shanghai, CFR, CIF terms available; global shipping via sea/air |
|
Samples |
Free samples (up to 1m) with freight collect |
Why Choose Us?
★30+ Years of Expertise: Specialized in welded carbon steel pipes for global infrastructure projects.
★Full Production Chain: In-house hot rolling, welding, and coating facilities for quality control.
★Compliance & Certifications: Meet international standards for oil, gas, and structural applications.
★Customer-Centric Support: Engineering team provides technical consultation and custom design services.
★Sustainable Practices: ISO 14001 certified production with minimal.
