14 Inch ERW Welded Carbon Steel Pipe
14 Inch ERW Welded Carbon Steel Pipe
14 Inch ERW Welded Carbon Steel Pipe is manufactured from carbon steel strip using electric resistance welding. It is suitable for water transmission, industrial piping, and general fluid transportation. The pipe has a nominal size of 14 inches, with wall thickness, length, and surface finish available according to project requirements. Custom specifications can be discussed based on applicable standards and intended use.
- Mill Test Certificate Provided
- Strict Quality Inspection
- Custom Sizes Available
- On-Time Global Delivery
14 Inch ERW Welded Carbon Steel Pipe is manufactured by forming carbon steel strip into a tubular shape and joining the edges through electric resistance welding. With a nominal pipe size of 14 inches and a standard outside diameter of 355.6 mm, it is suitable for water transmission, industrial piping, and general fluid transportation. The wall thickness can be selected according to the required schedule, applicable standard, and operating conditions. The pipe can be supplied in different lengths with plain or beveled ends for various installation requirements. Surface options include black, oiled, painted, or other specified finishes. Material grades and inspection requirements can be discussed according to project needs. Custom dimensions, quantities, and packaging arrangements are available subject to production capabilities and order specifications.
Key Features
- 14-Inch Nominal Size: Suitable for large-diameter piping systems used in industrial and infrastructure projects.
- ERW Manufacturing Process: Produced by forming steel strip and welding the seam using electric resistance welding.
- Carbon Steel Material: Provides practical strength and weldability for common piping applications.
- Selectable Wall Thickness: Available in different thicknesses according to the required standard and project specifications.
- Flexible End Finishes: Plain or beveled ends can be supplied to suit different connection and installation methods.
- Custom Supply Options: Pipe lengths, surface treatments, material grades, and order quantities can be discussed based on project requirements.

14 Inch ERW Welded Carbon Steel Pipe Specifications
| Item | Available Range |
|---|---|
| Product | 14 Inch ERW Welded Carbon Steel Pipe |
| Material | Carbon Steel |
| Nominal Size | 14 Inch / DN350 |
| Outside Diameter | 14 Inch / 355.6 mm |
| Manufacturing Process | Electric Resistance Welding (ERW) |
| Wall Thickness | Available in Different Schedules / Customized |
| Standard | ASTM A53 / API 5L / Applicable Project Standards |
| Length | 6 m / 12 m / Customized |
| End Type | Plain End / Beveled End / Customized |
| Surface | Black / Oiled / Painted / Customized |
| Application | Water Transmission / Industrial Piping / Fluid Transportation |
| Customization | Wall Thickness / Length / Surface Treatment / Quantity |
Applications
Used in municipal water transmission pipelines for transporting water over long distances.
Suitable for industrial water supply and circulation systems in factories.
Used in wastewater treatment plants for conveying process water and wastewater.
Applied in industrial facilities for transporting compatible fluids through large-diameter piping systems.
Used in power plants for utility water and cooling water pipelines.
Suitable for infrastructure and construction projects requiring large-diameter welded steel pipes.
Frequently Asked Questions About 14 Inch ERW Welded Carbon Steel Pipe
1. What is a 14 Inch ERW Welded Carbon Steel Pipe?
It is a large-diameter carbon steel pipe manufactured by forming steel strip and joining the edges through electric resistance welding (ERW).
2. What is the outside diameter of a 14-inch ERW steel pipe?
The standard outside diameter for NPS 14 pipe is 355.6 mm (14 inches), while the wall thickness depends on the selected specification.
3. What are the common applications of this pipe?
It is commonly used in municipal water transmission, industrial water supply, wastewater treatment, and general industrial piping systems.
4. What wall thicknesses are available?
Wall thickness can be selected according to the required pipe schedule, applicable standard, and operating conditions.
5. What pipe lengths can you supply?
Common lengths include 6 m and 12 m, with customized lengths available depending on production capabilities and order requirements.
6. Can the pipe ends and surface finish be customized?
Yes, plain or beveled ends and surface finishes such as black, oiled, or painted can be supplied according to project requirements.









