Carbon Steel Line Pipe Manufacturing Types
| Type | Manufacturing Method | Typical Features & Application |
|---|---|---|
| Seamless (SMLS) | Produced by piercing a solid steel billet at high temperature, without any welding seam | Uniform structure with no welds. Suitable for high-pressure, high-temperature and critical service conditions. |
| ERW (Electric Resistance Welded) | Steel coil is formed into a pipe shape and the longitudinal seam is welded using electric resistance, without filler metal | Cost-effective option for low to medium pressure applications. Common in general industrial piping and water systems. |
| LSAW (Longitudinal Submerged Arc Welded) | Steel plates are formed into a pipe shape and welded along a straight longitudinal seam using submerged arc welding | Used for large diameter and thick wall pipelines. Common in oil, gas and long-distance transmission projects. |
| SSAW (Spiral Submerged Arc Welded) | Steel strip is rolled into a spiral shape and welded along the spiral seam | Suitable for large diameter pipelines, mainly used in water transmission and low to medium pressure pipeline systems. |
compressed air steel pipe
| Item | Description |
|---|---|
| Standard | API 5L (most commonly used for oil & gas line pipe) |
| Product Specification Levels | PSL 1: General pipeline service PSL 2: Higher requirements for chemical, mechanical properties and testing, used in more critical conditions (e.g. offshore, sour service) |
| Common Grades | Standard grade: Grade B High strength grades: X42, X52, X60, X65, X70 |
| Yield Strength Definition | Grade number indicates minimum yield strength in ksi (e.g. X52 = 52 ksi minimum yield strength) |
| ASTM Alternatives | ASTM A106 (high temperature service), ASTM A53 (general piping) |
| Low-temperature Service | ASTM A333 (low temperature applications) |
Manufacturing Workshop
制造车间
| Industry | Primary Usage Scenario |
|---|---|
| Oil & Gas | Upstream gathering lines, cross-country transmission pipelines, and refinery feed lines. |
| Water & Sewage | Wastewater mains, treatment facility piping, and industrial penstocks. |
| Mining | Moving highly abrasive mineral slurries over long distances. |
| Infrastructure | Heavy structural casing, foundational pile driving, and high-pressure steam distribution. |
Infrastructure Construction
基础设施工程
If you are sourcing or engineering a pipeline project, tell me:
What is the specific medium being transported (e.g., natural gas, crude oil, abrasive slurry)?
What are your target operating pressure and temperature requirements?
I can help you pinpoint the precise API 5L grade, schedule thickness, and coating specification required for your project.
Hot Tags: cs pipe api 5l grade, China cs pipe api 5l grade manufacturers, suppliers, factory, 1 4 inch carbon steel plate, 20 Seamless Steel Pipe, a283, pu12 sheet piles, Q345B Carbon Steel Pipe, Seamless Carbon Steel Pipe
