What is The Difference Between API 5L X42 And X52 Pipe?

Views : 1179
Author : admin
Update time : 2024-11-05 08:49:18

  API 5L steel pipe standards are A25, A, B and "X" Grades such as X42, X46, X52, X56, X60, X65, X70, X80 and so on. The two-digit number following the "X" indicates the Minimum Yield Strength (in 000's psi) of pipe produced to this grade. Some people really confused about the X42 and X52, today here I will show you the comparison between them.

  API 5L Grade X52 Pipe Specification (PSL1, PSL2) ​API 5L Grade X52 pipes have superior mechanical strength with a minimum yield strength of about 360 MPA. These grade pipes are superior to API 5L Grade B, API 5L Grade X42 and API 5L Grade X46 pipe concerning chemical and mechanical properties.

  API 5L X42 line pipe and API 5L X52 line pipe (Seamless and welded pipe) of all grades have PSL1 and PSL2 two product specifications, they are different on chemical composition, manufacturing processes, mechanical strength, heat treatment, test records, traceability, etc. Actually, X42 and X52 etc. denote the minimum yield strength of the pipe steel. The steel pipe grade X42  has the minimum yield strength of 42 kilopound/square inch and X52 has 52,000 ksi.

API 5L X42 VS API 5L X52 line pipe Chemical Properties

Grade

C max

Mn max

P max

S max

Si max

X42

 

PSL1

0.26

1.20

0.030

0.030

/

PSL2

0.22

1.30

0.025

0.015

0.45

X52

PSL1

0.26

1.40

0.030

0.030

/

PSL2

0.22

1.40

0.025

0.015

0.45

 

Mechanical Requirements

Grade

Y. S (ksi) min

T. S (ksi) min

Elongation min

X42

PSL1

60

42

28%

PSL2

60-100

42-72

/

X52

PSL1

66

52

21%

PSL2

66-110

52-77

/


  API 5L X42 and X52 line pipes are widely used in the petroleum and natural gas industries. Shengtian Group suppliers in manufacturing and exporting of API Carbon Steel welded Pipes in China. supply welded API 5L Grade X42 PSL1 and PSL2 for your project's need and we offer a commendable range of  API 5L X52 PSL 1 PSL2 Tubes for prestigious clients with competitive price!

Related News
Read More >>
Working Pressure of Seamless Steel Pipe Working Pressure of Seamless Steel Pipe
Sep .17.2026
  Seamless steel pipe actual bearing pressure may be affected by many factors such as the quality of the pipe, processing technology, and use environment Please feel free to contact us if you have any questions Email : pipe@stpipefitting.cn
(SMLS pipe) is a type of pipe produced without welds by deforming the metal as a whole using piercing and rolling techniques. Compared to welded steel pipe, its core advantage stems from the continuity of the material and the uniformity of its structure, providing superior reliability and safety under high pressure, high temperature, and complex stress environments. This makes seamless steel pipe a fundamental and reliable material in the petroleum, chemical, natural gas, and power industries for critical processes and the transportation of hazardous media.
Seamless carbon steel pipe Sch 40 Seamless carbon steel pipe Sch 40
Sep .15.2026
Seamless Carbon Steel Pipe Sch 40 (Schedule 40) is a seamless steel pipe specification that meets the American standard. Its pipe wall thickness is Sch40 (corresponding to the standard wall thickness series), which represents the standard wall thickness under a specific pressure level and is often used in occasions with higher pressure and temperature.
Schedule 80 Carbon Steel Pipe: Thickness, Dimensions & Weight in mm Schedule 80 Carbon Steel Pipe: Thickness, Dimensions & Weight in mm
Sep .10.2026
Schedule 80 Carbon Steel Pipe is made up of carbon steel materials. The carbon steels can vary in composition based on the grades. The strengths and the toughness vary. To have an international and equal identification of the pressure capacities of the pipes, the schedule scale is used. The wall thickness grades of the steel pipe range from Schedule (SCH) 5 to Schedule (SCH) 160. SCH 5 has the lowest pressure resistance, while SCH 160 has the highest.
Steel Pipe Sizes Explained: NPS, OD and Wall Thickness Steel Pipe Sizes Explained: NPS, OD and Wall Thickness
Sep .08.2026
Steel pipe sizing can be confusing, especially for buyers who are new to piping specifications. A pipe's designated size often differs from its actual dimensions, which can lead to mistakes during purchasing or design.