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Specialist in API 5L X42 Seamless Pipe

API 5L X42 Seamless Pipe

High yield carbon steel L290 Pipe is used in the conveyance of products such as oil or gas from offshore plants to refineries, especially in the petroleum and the hydrocarbon and natural gas industries. Both the PSL 1 and 2 are specs that cover seamless as well as welded steel line pipe from grades X42 through X80. The numbers after the ‘X’ indicate the pipe's minimum yield strength that is produced in PSI terms. In this instance, the calculated minimum yield strength of API 5L X42 Pipe is 42100 PSI. In conversion to Mpa, the tensile strength of these API 5L X42 Erw pipes can be about 290 Mpa. Hence these carbon steel pipes are often referred to as L290 pipes.

API 5L X42 Seamless Pipe

In order to make the X42 Pipe Material resilient to crack propagation, these pipes are often coated. The API 5L X42 PSL1 Pipe, as indicated by the API technical committee is a basic or standard quality meant for line pipes. However, unlike the PSL1, most API 5L X42 Pipe Suppliers note that the PSL 2 is a standard which is much stricter in comparison to PSL1. For instance, API 5L X42 PSL2 pipes also have additional testing requirements, which are inclusive of non-destructive inspection of seamless products, CVN testing along with certification to SR15, as well as mandatory traceability throughout the entire production process.

Specification List of API 5L X42 Seamless Pipe

Size Range 16” NB – 100” NB
ERW Size 1/2” NB – 24” NB
Test HIC / SSC TEST, H2 SERVICE, IBR, NACE MR0175 / TM0177 / TM0284, etc.
Wall Thick. SCH10, 20,60, XS, 80, 120, 160, XXS, 30, STD, 40, 100, 140, DIN, JIS
Pipe end bevelled
Length 6-12 meters
Standard API, GB/T9711 EN10296, ASME, API 5L, API 5CT, ASTM, ISO 3183, GB/T3091, ASTM A139, GB/T14975, GB/T14976, GB13296-91, GB9948
PSL Level
  • X42 PSL1
  • X42 PSL2

Did you Know?

API 5L X42 pipe also called L290 pipe named by its minimum yield strength which is 42100 Psi or 290 Mpa, These Pipes ranges in PSL1, PSL2 for onshore and offshore Services. API 5L X42 steel pipe tensile strength is higher 6600 Psi.

Wall Thickness of Grade X42 PSL1 Pipes

Wall Thickness Ranges ERW 2.11mm-24.61mm
LSAW 8mm-50mm
SSAW 6mm-25.4mm

API 5L X42 PSL1 Pipe Chemical Properties

X42 PSL1 X42 PSL2

Grade

C (Max.)

Mn (Max.)

P (Max.)

S (Max.)

C (Max.)

Mn (Max.)

P (Max.)

S (Max.)

X42

0.26

1.30

0.03

0.03

0.22

1.40

0.025

0.015

Mechanical Behaviour of API 5L X42 PSL2 ERW Pipe

Pipe Grade Tensile Properties - X42 Pipe Body of SMLS and Welded Pipes PSL 2 Seam of X42 Welded Pipe
Yield Strength a Tensile Strength a Ratio a,c Elongation Tensile Strength d
Rt0,5  PSI Min Rm  PSI Min R10,5IRm (in 2in) Rm (psi)
Af %
Minimum Maximum Minimum Maximum Maximum Minimum Minimum
X42, X42R, X2Q, X42M 42,100 71,800 60,200 95,000 0.93 f 60,200

Equivalent Material of X42 Pipe

DIN / WNR EN API Relevant grades
LINE PIPE
1.0486   StE 285 - API 5L Grade X42  A53 Gr. B, A106 Gr. B, API 5L Gr. B X42
High Yield Pipe
1.0484   StE 290.7 L290NB API 5L Grade X42 -

L290 Pipes Yield Strength

Grade Tensile Strength ( PSL 1 SMLS & Welded Pipes) Welded Pipes Seam
Yield Strength a Tensile Strength a Elongation Tensile Strength b
Rt0,5 PSI Min Rm PSI Min (in 2in Af % min) Rm PSI Min
X42 42,100 60,200 c 60,200
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