Longitudinal Welded Carbon Steel Pipe
Longitudinal Welded Carbon Steel Pipe Product Description
- Specification & Technology:Customize according to your needs. Common specifications: Outer Diameter 15mm-630mm, Wall Thickness 1.5mm-12mm, Length 6m-12m (or customized). Processing technology: Hot rolled coil uncoiling, forming, longitudinal welding (ERW/TIG/MIG), deburring, hydrostatic testing, surface treatment (optional).
- Delivery Package:Bundled with steel strips, wrapped with moisture-proof and anti-rust film; Custom seaworthy packaging available for international shipping (e.g., wooden brackets, fumigated crates, end caps for pipe orifices).
- Our Advantages:Stable welding quality; Excellent pressure-bearing capacity; Good weld seam toughness; Cost-effective; International material certification; Sufficient stock for immediate delivery; Support customized production; Third-party inspection qualified; Fast delivery (7-15 days for bulk orders).
Basic Longitudinal Welded Carbon Steel Pipe Information Table
| Item |
Details |
| Product Name |
Longitudinal Welded Carbon Steel Pipe |
| Executive Standard |
ASTM A53, EN 10219, GB/T 3091, JIS G3444, DIN 2440 |
| Material Grade |
A53 Gr.B, Q235B, S235JR, SS400, Q355B |
| Specification Parameters |
Outer Diameter: 15mm-630mm; Wall Thickness: 1.5mm-12mm; Length: 6m-12m (customizable) |
| Minimum Order Quantity (MOQ) |
5 tons |
| Price Range |
680-950 USD/ton |
| Brand |
North China Steel |
Longitudinal Welded Carbon Steel Pipe Core Material Parameters Table
| Item |
Details |
| Material Composition (A53 Gr.B as example) |
C: ≤0.25%, Si: ≤0.40%, Mn: 0.80-1.20%, P: ≤0.040%, S: ≤0.050%, Fe: Balance |
| Dimensional Tolerance |
Outer Diameter tolerance: ±0.5mm; Wall Thickness tolerance: ±0.1mm; Length tolerance: ±30mm (comply with relevant international standard requirements) |
| Mechanical Properties (A53 Gr.B as example) |
Yield strength: ≥235MPa; Tensile strength: 415-550MPa; Elongation: ≥22% |
| Surface Treatment |
Black surface (natural oxide layer), optional: galvanizing (hot-dip/electrogalvanizing), pickling, anti-rust painting, epoxy coating |
| Other Properties |
Stable welding quality and high weld seam strength; Excellent pressure-bearing capacity and corrosion resistance; Good machinability and formability; Cost-effective and widely available; Suitable for fluid transportation and structural support needs |
Trustworthy Longitudinal Welded Carbon Steel Pipe Supplier
- Factory Strength:Covering an area of 85,000 square meters, with 4 advanced longitudinal welded pipe production lines (ERW/TIG/MIG), annual output of 450,000 tons. Equipped with professional R&D and quality control teams, and complete testing equipment (hydrostatic testing machine, weld seam flaw detector) to ensure stable product quality.
- Certifications & Inspection Reports:Certified with CE, ISO9001, ASTM, and other international certifications. Provide third-party inspection reports (e.g., SGS, BV) according to customer requirements, covering material composition, mechanical properties, weld seam quality and hydrostatic testing.
- Customized Production Service:Equipped with professional pipe cutting, beveling and threading equipment, supporting customized production according to customer’s required outer diameter, wall thickness, length and surface treatment, with cutting precision up to ±0.3mm, meeting diverse fluid transportation and structural application needs.
- Third-Party Inspection Qualified:Allseamless steel pipesundergo strict multi-process quality inspection before delivery, including raw material testing, welding process monitoring, hydrostatic pressure testing, weld seam flaw detection, finished product dimensional inspection, etc. Accept third-party on-site inspection to ensure product qualification rate reaches 100%.
- Customer Praise:Cooperate with more than 620 customers in over 38 countries and regions (e.g., Europe, America, Southeast Asia, Africa). Highly praised for product welding quality, pressure-bearing capacity, on-time delivery and professional after-sales service. Has long-term cooperative relationships with many construction, water conservancy, oil and gas transportation enterprises.
![ISO Certificates]()
![ISO Certificates]()
Longitudinal Welded Carbon Steel Pipe Application Scenarios
Longitudinal welded carbon steel pipes are widely used bytrusted carbon steel pipe supplierin fluid transportation and structural engineering fields due to their stable welding quality, excellent pressure-bearing capacity and cost-effectiveness:
- Fluid Transportation Industry: Manufacturing of water supply and drainage pipelines, gas transmission pipelines, oil transportation pipelines, and chemical fluid transportation pipelines (low-pressure).
- Construction & Infrastructure: Production of building structural support pipes, scaffolding pipes, HVAC ventilation pipes, and prefabricated building water supply and drainage pipes.
- Industrial & Manufacturing: Manufacturing of mechanical equipment pipelines, hydraulic system pipelines, and industrial boiler auxiliary pipelines.
- Other Fields: Application in agricultural irrigation pipelines, marine engineering auxiliary pipelines, and highway/railway infrastructure drainage pipelines.
![Application scenario diagram]()
![Application scenario diagram]()
![Application scenario diagram]()
![Application scenario diagram]()
![Application scenario diagram]()
Longitudinal Welded Carbon Steel Pipe Worry-Free After-Sales Service Guarantee
- Quality Commitment:If theChina carbon steelhas quality problems (non-compliance with standards or agreed requirements, such as weld seam defects, unqualified pressure-bearing capacity), we provide free replacement or refund within 30 days of receipt of goods, and bear the corresponding transportation costs.
- Technical Support:Professional technical team provides 24/7 online service, offering technical consultation on product selection, pipeline installation, surface treatment and application scenarios for customers.
- After-Sales Follow-Up:Conduct regular follow-up visits after delivery to understand product use status and customer needs, and provide technical optimization suggestions in a timely manner.
- Claim Handling:For quality-related claims, we respond within 24 hours, send professional technicians to investigate if necessary, and complete the claim handling within 7 working days to ensure customer rights and interests.
![Longitudinal Welded Carbon Steel Pipe]()
![Longitudinal Welded Carbon Steel Pipe]()
Longitudinal Welded Carbon Steel Pipe Fast Delivery
We have a large-scale professional warehouse with sufficient stock of common specifications of longitudinal welded carbon steel pipes, which can be delivered immediately after receiving the order. For customized production orders, the production cycle is 7-15 working days. We cooperate with well-known logistics companies (Maersk, COSCO, MSC, etc.) to provide flexible sea, land and air transportation services. The delivery time depends on the destination: 3-7 days for domestic delivery, 15-30 days for international sea transportation, and 3-7 days for international air transportation. We strictly control the packaging quality, adopt professional anti-collision and moisture-proof packaging to avoid pipe deformation and surface scratches during transportation.
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