Line Pipe

ISO 3183 Gr L390/ L390N/L390Q/L390M Steel Pipe

ISO 3183 Gr L390/ L390N/L390Q/L390M Steel Pipe
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ISO 3183 is the International Standardization Organization standard for the Petroleum and natural gas industries —Steel pipe for pipeline transportation systems. This International Standard specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.

 

Standard: ISO 3183

Size: ¼” to 36″

Wall Thickness: SCH 10 to 160, STD, XS, XXS

Length: up to 12 Meters

Product Specification Level: PSL 1/PSL2

 

ISO 3183 L390 PSL1 Chemical Composition

PSL

Manufacturing

C

Mn

P

S

PSL1

Seamless

0,28

1,40

≤0,030

0,030

Welded

0,26

1,40

≤0,030

0,030


ISO3183 L390 PSL2 Chemical composition

Grades

C

Si

Mn

P

S

V

Nb

T

L390N /X56N

0,24

0,45

1,40

0,025

0,015

0,1

0,05

0,04

 

L390Q /X56Q

0,18

0,45

1,50

0,025

0,015

0,05

0,05

0,04

 

L390M /X56M

0,22

0,45

1,40

0,025

0,015

 

/

/

/


ISO3183 L390 Mechanical Property

PSL

Pipe grade

Yield strength, Mpa

Tensile strength, Mpa

PSL1

L390 or X56

390

490

L390N or X56N

L390Q or X56Q

L390M or X56M

390-545

 

490-760

 


ISO3183 L390 pipe grades, steel grades and acceptable delivery conditions

PSL

Delivery condition

Pipe grade/steel grade

PSL 1

As-rolled, normalizing rolled,   thermomechanical rolled, thermomechanical formed, normalizing formed, normalized,  normalized and tempered or quenched and tempered

L390/X56

PSL 2

Normalizing rolled, normalizing formed,   normalized or normalized and tempered

L390N / X56N

PSL 2

Quenched and tempered L245Q or BQ

L390Q /X56Q

PSL 2

Thermomechanical rolled or thermomechanical   formed L245M or BM

L390M /X56M


Grade L390 is the commonly used grades specified in ISO 3183 standard. World iron&steel manufacture, supply, sell ISO Gr L390 PSL1, PSL2 steel pipe, ISO 3183 Gr L390 LSAW /Seamless /Welded Pipe in various sizes and specifications, if you are looking for this material, please contact us or get a quotation. Not only do we have all kinds of sizes, but we also have all kinds of sizes that are hard to find.

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