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API 5L Line Pipe


Product:  Line Pipe, API Line Pipe, Seamless Line Pipe, Carbon Steel Line Pipe
Application:   For Transportation in petroleum and natural gas industries
Size:  OD: 73-630mm
 WT: 6-35mm
 LENGTH: 5.8/6/11.8/12m
Pipe Standard:   API 5L  PSL1/PSL2    Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70
 API 5L  PSL1/PSL2    L210,L245,L290,L320,L360,L390,L415,L450,L485


Product Details:


Pipe Type:Line Pipe, API Line Pipe, Seamless Line Pipe, Carbon Steel Line Pipe
Application: For Transportation in petroleum and natural gas industries

Specification:OD:73-630mm

                         WT: 6-35mm

                         LENGTH: 5.8/6/11.8/12m



 Acceptable manufacturing routes for PSL 2 pipe
Type of pipe     Starting material Pipe forming Pipe heat treatment Delivery condition
SMLS (SEAMLESS STEEL PIPE) Ingot, bloom or billet As-rolled   / R
Normalizing forming   / N
Hot forming Normalizing N
Quenching and tempering Q
Hot forming and Cold finishing Normalizing N
Quenching and tempering Q


Standard Out Diameter Tolerance of Pipe Body Tolerance of Pipe End Tolerance of Wall Thickness
API 5L PSL1/PSL2 OD<60.3 -0.8mm, +0.4 mm -0.4mm,1.6mm WT≤4.0 -0.5mm, +0.6 mm
60.3≤OD≤168.3 -0.75%D, +0.75%D -0.4mm,1.6mm 4.0 -12.5%WT, +15%WT
168.3 -0.75%D, +0.75%D -0.5%D, +0.5%D             -1.6mm, +1.6 mm T≥25.0 -10%D, +10%D                           -3.0mm, +3.7 mm
610 -1%D, +1%D -2mm, +2mm - -
OD>1422 - - - -


Standard Grade Chemical Composition(max)% Mechanical Properties(min)
C Si Mn P S Tensile Strength(Mpa) Yield Strength(Mpa)
API 5L PSL1 A 0.22 - 0.9 0.03 0.03 335 210
B 0.26 - 1.2 0.03 0.03 415 245
X42 0.26 - 1.3 0.03 0.03 415 290
X46 0.26 - 1.4 0.03 0.03 435 320
X52 0.26 - 1.4 0.03 0.03 460 360
X56 0.26 - 1.4 0.03 0.03 490 390
X60 0.26 - 1.4 0.03 0.03 520 415
X65 0.26 - 1.45 0.03 0.03 535 450
X70 0.26 - 1.65 0.03 0.03 570 485
API 5L PSL2 B 0.22 0.45 1.2 0.025 0.015 415 245
X42 0.22 0.45 1.3 0.025 0.015 415 290
X46 0.22 0.45 1.4 0.025 0.015 435 320
X52 0.22 0.45 1.4 0.025 0.015 460 360
X56 0.22 0.45 1.4 0.025 0.015 490 390
X60 0.12 0.45 1.6 0.025 0.015 520 415
X65 0.12 0.45 1.6 0.025 0.015 535 450
X70 0.12 0.45 1.7 0.025 0.015 570 485
X80 0.12 0.45 1.85 0.025 0.015 625 555



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