API 5L X60 Pipe

API 5L X60 pipes are line pipes used in petroleum, power generation plant and in boiler applications for the transportation of oil, water and gas under high pressure and temperature. This is a specification of high yield, high temperature and high pressure liquid transportation pipes. These can come in different diameters ranging from 3/8 inches to 30 inches with different wall thickness ranging up to 250mm. The yield strength is high with a minimum of 60000PSI and the minimum of 75000PSI tensile strength. API 5L X60 PSL2 is the best product level out of the two with API 5L X60 PSL1 having lower mechanical qualities. The PSL1 however is the normally used product specification level. The chemical composition varies slightly but in general the API 5L Grade X60 has 028% carbon max, 1.40% manganese max, 0.030% phosphorous max, 0.030% sulfur max. This composition is what gives the API 5L X60 Grade B its notch toughness and strength to be used in the line pipe systems. The HIC Tested X60 is certified against hydrogen embrittlement. The ISO 3183 L415 Grade X60 standards are maintained to keep the pipes with the desired mechanical properties and qualities. The pipes can come in different sizes from 5m to custom cut lengths, different coatings and in different ends such as plain and beveled ends.

API 5L X60 PSL2 / PSL1 Standard Specifications


Seamless/ SAW/ ERW / LSAW / DSAW

2" to 24" O.D.


Wall Thickness

Schedule 10 to 160, STD, XS, XXS


Pipe End

Plain, Bevelled

Standard and Dimensions
Trade Name API SPEC 5L ISO 3183 PSL1 / PSL2 X60, ASTM A106/ A53/ A333 Grade 6/ API 5L GR.B X60
Material Standard ISO3183, API 5CT, ASTM A139, ASTM A333/A333M, EN10296, 5L, ASTM A106/A106M, GB/T3091, ASME B36.10, GB/T14976, GB13296-91, GB/T14975, GB9948, GB/T9711 ANSI/API ASTM A53/A53M, ASTM
  • Grade A25 X60 PSL1
  • Grade B X60 PSL2
Pipe End Finishing
  • X60 PSL1 : Plain, threaded, special coupling pipe, bevelled
  • X60 PSL2 : Plain-end
PSL1 Grade
  • Grade A
  • Grade B
Manufacturing Methods HFW, SMLS, LW, SAWL, LFW, SAWH
Length 6-12 meters
Test H2 SERVICE, NACE MR0175, Hardness, SSC, DWT, IBR, HIC, TM0177, TM0284, CVN impact
Equivalent grades
Material Origins Russian, Ukraine, US, Japanese, Korean, Indian, European
Mill Test Certificate (MTC) EN 10204/3.1B

Most Selling types of X60 Carbon Steel Pipe

X60 Pipeline Steel

X60 Pipeline Steel

Seamless Line Pipe, Steel Piles, Hsaw Pipe

API 5l X60 PSL2 Steel Pipe

API 5l X60 PSL2 Steel Pipe

Dsaw / Welded Steel Line Pipe for Sour Service

API 5l X60 PSL2 Seamless Pipe

API 5l X60 PSL2 Seamless Pipe

Bend / Pipe/ Piling & Welded Steel Pipe

"M" Stands for which condition in X60M PSL2 Pipe

Grade Letter Delivery Condition
X60M "M" letter means Thermomechanical rolled or thermomechanical formed

"Q" meaning for X60Q PSL2 Pipe

Grade Letter Delivery Condition
X60Q "Q" letter means Quenched and tempered

"N" means for marked X60N PSL2 Pipe

Grade Letter Delivery Condition
X60N "N" letter means normalized or normalized and tempered, Normalizing rolled, normalizing formed

What is the USC Unit for X56 Line Pipe?

ISO 3183 L415 PSL1/ PSL2

PSL2 X60 is Repairable or Not

API 5L X60 PSL2 Pipes are prohibited to repair by welding, but if the manufacturer & the purchaser are agree Grade X60 PSL1 may be repair by welding.

Grade X60 Pipe Coating Types

Grade X60 Pipe Coating Types

API 5L X60 Pipe Equivalent grades

Werkstoff Nr. European Number API Spec Equivalent material grade
1.8902 StE 420 P420N API 5L Gr X60  A53 Gr. B, A106 Gr. B, API 5L Gr. B X60
High Yield Pipe
1.8972  StE 415.7 L415NB API 5L Gr X60 -

X60 Pipe Chemical Compatibility

C max Mn max P S max V max Nb max Ti max
min max
0.28 1.4 0.03 0.03 f f f

API 5l X60 PSL 2 Mechanical Strength

Grade X60 PSL 1
Grade Yield Stress Mpa Tensile Stress Mpa Elongation
B 245 415 c
X60 415 520 c

Grade X60N / X60Q PSL 2
Grade Yield Stress Mpa Tensile Stress Mpa Raito Elongation
min max min max max min
BN 245 450 415 655 0.93 f
X60N 415 565 520 760 0.93 f

Grade X60 Temperature

Hot-coated Grade with epoxy powder Temperature
X60 200°C

X60 Sour Service Line Pipes Pressure Rating

415 Mpa 60200 Psi

X60 Seamless Line Pipe Offshore Applications

  • Oil and gas refineries
  • Natural gas industries
  • Offshore industry
  • Sour services
X60 Seamless Line Pipe Application
  • Plate or skelp can be used to produce helical seam pipe with minimum dia of 0.8, the plate or skelp is used should not defective or does not contain repair welds for PSL2 grade.

These pipelines are used to supply gas to the cities.