API 5L X60 steel pipe

Grade X60 indicates 60000 PSI minimum yield strength and 75000 PSI minimum ultimate tensile strength.

API 5L X60 PSL 1 grade designations come from API Spec 5L Specification for Line Pipe.

Stronger grades have the designation X followed by the specified minimum yield strength of the pipe steel, measured in kilopounds per square inch (abbreviated ksi). Standard Line Pipe has grade designation A and B.

API 5L X60 steel pipe application for gas, water and oil transportation in both oil and natural gas.

Chemical composition of API 5L X60
 Products  C  Si  Mn  P  S  V  Nb  Ti
 API 5L X60 seamless pipe  ≤0.28  ≤0.45  ≤1.60  ≤0.03  ≤0.01  ≤0.15  ≤0.05  ≤0.04
 API 5L X60 welded pipe  ≤0.26  ≤  ≤1.60  ≤0.03  ≤0.01  ≤0.15  ≤0.05  ≤0.04

Mechanical properties of API 5L X60

 Standard  Tensile strength (Mpa)  Yield strength (Mpa)  Elongation (%)
 API 5L X60  ≥435  ≥320  ≥28

Note:

API Standard Specification for Line Pipe
The American Petroleum Institute specification API 5L addresses seamless and welded steel line pipe for pipeline transportation systems in the petroleum and natural gas industries. API 5L is suitable for conveying gas, water, and oil.

Specifications for API 5L adhere to the International Organization for Standardization ISO 3183, standardizing pipeline transportation systems within the materials, equipment and offshore structures for natural gas, petroleum, and petrochemical industries. When authoring the standards, the technical committee recognized that there are two basic Product Specifications Levels (PSL) of technical requirements and therefore developed PSL 1 and PSL 2. PSL 1 is a standard quality for line pipe where PSL 2 contains additional chemical, mechanical properties, and testing requirements.

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Tech & Service of Seamless pipe

Seamless pipes are extensively applied for the nuclear device, gas, petrochemical, ship building and boiler industries. Seamless pipes dominates 65% of market share in Chinese boiler industry.

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Hot Piercing Workshop
Piercing process
The cross roll piercing and pilger rolling process in the size range from approx. 250 to 660 mm outside diameter.
Precision cold drawn steel tube production process
Pipe weld cracks
often follow different mechanisms can be divided into two types of thermal cracking and cold cracking.
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Pipe beveling is the process where an angle is formed between the edge of the end of a pipe or tube and a plane perpendicular to the surface.
Steel pipe cutting machine
Pipe cutting
Cutting tools have a grinding wheel piece cutting machine (also known as toothless saw), hand saw, cutter and other hand tools.
Packing the steel pipes
There are probably hundreds of different methods for packing a pipe, and most of them have merit, but there are two principles that are vital for any method.


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