Gr.B Line Pipe

API 5L Grb LSAW Line Pipe

API 5L Grb LSAW Line Pipe
Product Details

API 5L Grb LSAW Line Pipe 

LSAW submerged-arc longitudinal welded pipe (DSAW | Double Submerged arc welded):Tubular product having one or two longitudinal seams produced by submerged-arc welding

Specification Acc to API5L /ISO 3183 

Quality Level : PSL1 and PSL2

Grade: Gr.B/BR/BN/BQ/BM

Outer Diameter: 219mm-1820mm

Wall Thickness: 5.0mm-50mm
Length: 6mtr-18mtr

End:square ends (straight cut, saw cut, and torch cut). or beveled for welding

Chemical Composition for PSL1

L245/Grb: C 0.28max Mn 1.2max P 0.030max S 0.030max

Chemical Composition for PSL2

L245R/GrBR/L245N/GrBN:C 0.24max Si 0.40max Mn 1.2max P 0.025max S 0.025max  CEhw 0.43max CEpcm 0.25Max

L245Q/GrBQ:  C 0.18max Si 0.45max Mn 1.4max P 0.025max S 0.015max  V 0.05max Nb 0.05max Ti 0.04max CEhw 0.43max CEpcm 0.25Max

L245M/GrBM: C 0.22max Si 0.45max Mn 1.2max P 0.025max S 0.015max  V 0.05max Nb 0.05max Ti 0.04max CEhw 0.43max CEpcm 0.25Max

Mechnical Propertise/Tensile Test for PSL1:

Gr.B:Yield Strength:245 Mpa(35500psi) min,Yield Strength: 415Mpa(60200psi)min

Mechnical Propertise/Tensile Test for PSL2:

Gr.BR /BN/BQ/BM:Yield Strength:245 Mpa(35500psi) -450Mpa(65300),Yield Strength: 415Mpa(60200psi)-760Mpa(110200psi)

Testing required: API5L Tesile test, Flattening test,Bending test,Charpy test,Welding test,NDT,Ultrasonic Test,Hydrostatic test

Condition of delivery :

API 5L grb PSL1 

As-rolled, normalizing rolled, thermomechanical rolled, thermomechanical formed, normalizing formed, normalized, normalized and tempered; or, if agreed, quenched and tempered for SMLS pipe only


BR :as Rolled , BN :Normalizing rolled, normalizing formed, normalized or normalized and tempered,BQ :Quenched and tempered ,BM:Thermomechanical rolled or thermomechanical formed.

LSAW Producing Process:

LSAW line pipe.jpg

LSAW process of producing.jpg

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Surface treatment:

Blasting SA 2.5 beofre black painted or anti-rust oil painted

pipeline surface blasting.pngpipe surface blasting.png

Related Products: 

FBE coated LSAW line pipe

FEB Coated Line Pipe.jpg

3LPE coated LSAW Line pipe

API5L pipe 3PE coated.png

As one of the best api 5l grb lsaw line pipe manufacturers and suppliers, and equipped with one of the well-known api 5l grb lsaw line pipe brands and productive factory and company, World Iron & Steel is always at your service.