Name: China Weld Carbon Steel Pipe Manufacturers, Suppliers, Factory - Shenzhoutong Steel Pipe
Brand: Shenzhoutong
SKU: 302365433

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)

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

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

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