Type E Grade A & B ASTM A53 API 5L Seamless Steel Pipes / Pipe / Tube

1．Product Overview

ASTM A53 Type E seamless steel pipes are designed for oil transmission, gas transportation, industrial piping, and structural applications. The product is available in Grade A and Grade B specifications and can be supplied according to API 5L and related international pipeline standards.

The pipes are available in multiple wall thicknesses and connection types, making them suitable for pipeline engineering, drilling systems, mechanical processing, and industrial fluid transportation.

2．Technical Solution

The product is manufactured according to ASTM A53 Type E and API 5L requirements for pressure-bearing and transportation systems.

Different end finishes are available for different installation methods:

• Plain End (P) for welding applications
• Non-Upset Threaded & Coupled (N) for standard threaded connections
• External Upset Threaded & Coupled (U) for higher connection strength requirements
• The pipe dimensions and wall thickness combinations support different operating pressure levels and field installation requirements.

3．Specifications

4．Size Reference

5．Application

These seamless steel pipes are widely used in:

• Oil and gas transmission pipelines
• Drilling and casing systems
• Industrial fluid transportation
• Mechanical structures
• Pipeline engineering
• Pressure piping systems
• General industrial construction

6．Processing

The pipes can be supplied with plain ends or threaded and coupled ends according to project requirements.

Customized cutting length, pipe marking, anti-rust protection, bundling, and export packing can be arranged before shipment.

7．Advantages

• Manufactured according to ASTM A53 and API 5L standards
• Available in multiple connection types for different installation methods
• Suitable for oil, gas, structural, and industrial applications
• Wide wall thickness range supports different pressure requirements
• Standard 5.8M and 6M lengths support container and project transportation
• Export packing suitable for international shipment

8．How to Choose

• Choose Grade A for general low-pressure applications.
• Choose Grade B for higher strength and pressure-bearing requirements.
• Select plain end pipes for welding applications.
• Select threaded and coupled pipes for field installation and maintenance convenience.
• Confirm outside diameter, wall thickness, and end finish according to project specifications.

9．FAQ

Q1．What standards are available for this pipe
The product can be supplied according to ASTM A53 Type E, API 5L, ISO 4394, GB8713, GB/T9711, and GB/T8162.

Q2．What lengths are available
Standard lengths are 5.8M and 6M. Customized lengths are also available.

Q3．What does P / N / U mean
P means Plain End, N means Non-Upset Threaded & Coupled, and U means External Upset Threaded & Coupled.

Q4．What industries use this product
The product is widely used in oil, gas, drilling, industrial piping, and structural engineering applications.

Q5．Can customized dimensions be supplied
Yes. Different outside diameters, wall thicknesses, and end finishes can be supplied according to project requirements.