API 5L X70 Pipe Specification


Grade X70 Pipe StandardAPI 5L X70 (Specification for HIC Tested X70 Line Pipe – ANSI/API specification 5L – 44th Edition, October 1, 2007)
X70 Grade PSL2 Pipe SizesNominal HIC Tested X70 Pipe Size 1/2″ to 48 ” O.D.
API 5L X70 Pipe Wall Thickness – Schedule 10 through 160, STD, XS, XXS.
Product Specification Level (PSL)API 5L X70 PSL 2API 5L X70 PSL 1
Grade X70 PSL2 Pipe ThicknessSCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XS, SCH XXS, All API 5L X70 Pipe Wall Thickness available in stock
Testing and Inspection ReportsEN 10204 3.1, Mill TC EN 10204 3.1, Visual Inspection Reports, Third Party Inspection Reports, Destructive Test Report, PMI Test Reports, Non Destructive Test Reports, NABL Approved Lab, Chemical and Mechanical Reports, India Boiler Regulations (IBR) Test Certificate
L485 X70 Pipe EndPlain, Bevel, Screwed, Threaded
X70 Steel Pipe TypeSeamless / ERW / Welded / Fabricated / CDW
X70 PSL2 Pipe LengthSingle Random, Double Random & Required Length, Custom Size – 12 Meter lengths
API 5L X70 Grade B Pipe PackingX70 Carbon Steel Pipe Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
API 5L Gr X70 Pipe OriginIndian Origin, Japanese Origin, Korean Origin, European Origin, US Origin, Ukraine Origin, Russian Origin
Steel X70 Pipe FinishesBare, Oiled, Mill Varnish, Galv, FBE, FBE Dual, 3LPE, 3LPP, Coal Tar, Concrete Coating and Tape Wrap Carbon Steel Grade X70 Pipe
API 5L X70 PSL1 Pipe End Finishes: Beveled, Square Cut, Threaded & Coupled.
5L X70 Steel Pipe Application & usesAPI 5L Grade X70 PSL1 Pipe Suitable for Conveying gas, water, oil, and other liquefied media in Oil Refineries, Petrochemicals, Steel, Sugar, Boiler Equipments, Pressure Vessels, Power Generation (Nuclear/Thermal) and General Engineering Purposes
BS EN 10208-2:2009API 5L X70 Grade B pipelines for combustible fluids. Suitable to use in maximum operating pressure over 16 bar.
Other manufacturers of Steel X70 Seamless steel pipeMSL, JSL, ISMT, USL, BAO, Lontrin, SMTM, TNRS, V&M and Wuxi

API X70 Pipe Chemical Composition

X70 PSL1X70 PSL2
GradeC (Max.)Mn (Max.)P (Max.)S (Max.)C (Max.)Mn (Max.)P (Max.)S (Max.)
X700.261.650.030.030.221.850.0250.015

API 5L X70 Pipe Yield Strength & Tensile Strength 

Pipe GradeTensile Properties – X70 Pipe Body of SMLS and Welded Pipes PSL 1Seam of X70 Welded Pipe
Yield Strength aTensile Strength aElongationTensile Strength b
Rt0,5 PSI MinRm PSI Min(in 2in Af % min)Rm PSI Min
X7070,30082,700c82,700
Pipe GradeTensile Properties – X70 Pipe Body of SMLS and Welded Pipes PSL 2Seam of X70 Welded Pipe
Yield Strength aTensile Strength aRatio a,cElongationTensile Strength d
Rt0,5  PSI MinRm  PSI MinR10,5IRm(in 2in)Rm (psi)
Af %
MinimumMaximumMinimumMaximumMaximumMinimumMinimum
X70Q, X65M70,30092,10082,700110,2000.93f82,700

API 5L X70 Pipe Equivalent

ASTM API 5LSpecification for line pipe
Material GradePSL1L485 or x70
Material GradePSL2L485Q or X70Q
L485M or X70M

API 5L X70 Line Pipe Dimensions In Inches

NBDNOD (inches)API 5L X70 Pipe Schedule
SCH 5SCH 10SCH
20
SCH 30SCH 40SCH 60SCH 80SCH 100SCH 120SCH 160
3/4″201.050.0650.11x0.0950.113xx0.17x0.219
1″251.3150.0650.11x0.1140.133xx0.2x0.25
1.1/2″401.90.0650.11x0.1250.145xx0.225x0.281
2″502.3750.0650.12xx0.154xx0.25x0.344
2.1/2″652.8750.0830.12xx0.203xx0.3x0.375
3″803.50.0830.12xx0.216xx0.35x0.438
4″1004.50.0830.12xx0.237xx0.437x0.531
5″1255.5630.1090.12xx0.258xx0.5x0.625
6″1506.6250.1090.13xx0.28xx0.562x0.719
8″2008.6250.1090.150.250.2770.3220.4060.5930.7180.8120.906
10″25010.750.1340.170.250.3070.3650.50.7180.8431.01.125
12″30012.750.1650.180.250.330.4060.50.8431.01.1251.312

X70 Pipe Grade Schedule Chart

NBDNOD (mm)API 5L X70 Pipe Schedule
SCH 5SCH 10SCH
20
SCH 30SCH 40SCH 60SCH 80SCH 100SCH 120SCH 160
3/4″2026.671.652.11x2.412.87x3.91x4.325.56
1″2533.401.652.77x2.903.38x4.55x5.086.35
1.1/2″4048.261.652.77x3.183.68x5.08x5.727.14
2″5060.321.652.77xx3.91x5.54x6.358.74
2.1/2″6573.022.113.05xx5.16x7.01x7.629.53
3″8088.92.113.05xx5.49x7.62x8.8911.13
4″100114.32.113.05xx6.02x8.56x11.1013.49
5″125141.35.773.4xx6.55x9.53x12.7015.88
6″150168.272.773.4xx7.11x10.97x14.2718.26
8″200219.072.773.766.357.048.1812.712.7015.0618.2423.01
10″250273.053.44.196.357.89.2712.715.0618.2421.4128.58
12″300323.854.194.576.358.3810.3112.717.4521.4125.4033.32