API 5L steel pipe

ASTM A53 STEEL PIPE
April 30, 2014
ERW API 5L GR.B Water Linepipe Project
July 18, 2016

API 5L steel pipe

888

SpecificationsRange
Out Diameter2″- 24″
Wall ThicknessSchedule 10 through 160, STD, XS, XXS

Chemical Requirements 

API 5L PSL1

Composition %CMPS
Chemical Requirements (Seamless).281.20.03.03
Chemical Requirements (Welded).261.35.035.03

API 5L PSL2

Composition %CMPSSiVNbTi
Chemical Requirements (Seamless).241.20.025.015.04.06.05.04
Chemical Requirements (Welded).221.20.025.015.05.04.05.04

Minimum Yield/Tensile
API 5L PSL1
Minimum Yield: 35,500 PSI
Minimum Tensile: 60,200 PSI

API 5L PSL2
Minimum Yield: 35,000 – 65,300 PSI
Minimum Tensile: 60,200 – 110,200 PSI

OD Tolerance

API 5L PSL1
Outside Diameter: .405″ – 84″
OD Tolerance < 2.375″: .016″ – .063″ (Seamless & Welded)
OD Tolerance 6.625″ – 24″: +/- .063″ (Seamless & Welded)
OD Tolerance > 24″: +/- .079″ (Seamless) +/- .063″ (Welded)

API 5L PSL2
Outside Diameter: .405” – 84”
OD Tolerance < 2.375”: .016” – .063” (Seamless & Welded)
OD Tolerance 6.625” – 24: +/- .063″ (Seamless & Welded)
OD Tolerance > 24″: +/- .079″ (Seamless) +/- .063″ (Welded)

Wall Tolerance
API 5L PSL1
Wall thickness: .068″ – 2.05″
Wall Tolerance < .157″ (Seamless): .024″ – .02″
Wall Tolerance .157″ – .984″ (Seamless): + (.150 * wall
thickness) – (.125″ * wall thickness)
Wall Tolerance > .984″ (Seamless): +.146″ -.120″
Wall Tolerance < .197″ (Welded): +/-” .02″
Wall Tolerance .197″ – .591″ (Welded): +/- (.1 * wall thickness)
Wall Tolerance > .591″ (Welded): +/- .06″

API 5L PSL2
Wall thickness: .068″ – 2.05″
Wall Tolerance < .157″ (Seamless): .024″ – .02″
Wall Tolerance .157″ – .984″ (Seamless): + (.150 * wall thickness) – (.125″ * wall thickness)
Wall Tolerance > .984″ (Seamless): +.146″ – .120″
Wall Tolerance < .197″ (Welded): +/-” .02″
Wall Tolerance .197″ – .591″ (Welded): +/- (.1 * wall thickness)
Wall Tolerance > .591″ (Welded): +/- .06″