Line pipe

Line pipe

API 5L Line pipe is used for conveying gas,water and oil either in the oil or natural gas industries.Line pipe can meet all requirements of high-pressure transmission pipeline for natural gas and petroleum and can be used in on-shore and off-shore oil and gas transmission.


Product Details

Line pipe                               Line pipe

API 5L Line Pipe: The American Petroleum Institute specification API 5L covers seamless and welded steel line pipe.  This is steel pipe for pipeline transportation systems in the petroleum and natural gas industries.  API 5L is suitable for conveying gas, water, and oil.

UsesFor conveying gas, water and oil either in the oil or natural gas industries


SMLS: Φ10.3~1016×1.7~52mm

WELD: Φ219~2134×5~52mm

API 5L Chemical Composition:

Grade Chemical Composition Yield Strength
Tensile Strength
Yield to Tensile  Elongation
C Si Mn P S V Nb Ti min. (KSI) min. (KSI) Ratio (max) %
API 5L X52 0.16 0.45 1.65 0.020 0.010 0.07 0.05 0.04 52 66 0.93 21
API 5L X56 0.16 0.45 1.65 0.020 0.010 0.07 0.05 0.04 56 71 0.93 19
API 5L X60 0.16 0.45 1.65 0.020 0.010 0.08 0.05 0.04 60 75 0.93 19
API 5L X65 0.16 0.45 1.65 0.020 0.010 0.09 0.05 0.06 65 77 0.93 18
API 5L X70 0.17 0.45 1.75 0.020 0.010 0.10 0.05 0.06 70 82 0.93 17


Standard Type of pipe Class Grade

ISO 3183

SMLS PLS1 L245B, L290 X42, L320 X46 , L360 X52,

L390 X56, L415 X60, L450 X65, L485 X70

PLS2 L245N BN, L290N X42N, L320N X46N,

L360N X52N, L390N X56N, L415N X60N,

L360Q X52Q, L390Q X56Q, L415Q X60Q , L485Q X70Q

PLS2 Sour Environment L245NS BNS, L290NS X42NS, L320NS X46NS

L360NS X52NS, L390NS X56NS, L415NS X60NS,

L360QS X52QS, L390QS X56QS, L415QS X60QS L485QS X70QS

WELD PLS1 L245B, L290 X42, L320 X46, L360 X52

L390 X56, L415 X60, L450 X65, L485 X70

PLS2 L245M BM, L290M X42M, L320M X46M,

L360M X52M, L390M X56M, L415M X60M,

L450M X65M, L485M X70M, L555M X80M,


Line pipe

Line pipe

Package & Transportation

Line pipe                    Line pipe

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