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ISO 3183 Gr L320/ L320N/L320Q/L320M Steel Pipe

ISO 3183 Gr L320/ L320N/L320Q/L320M 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


ISO3183 L320 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 L320 PSL2 Chemical Composition

Grades  

C

Si

Mn

P

S

V

Nb

T

L320N   or X46N

0,24

0,40

1,40

0,025

0,015

0,07

0,05

0,04

 

L320Q   or X46Q

0,18

0,45

1,40

0,025

0,015

0,05

0,05

0,04

 

L320M or X46M

0,22

0,45

1,30

0,025

0,015

 

0,05

0,05

0,04


ISO3183 L320 Mechanical property

PSL

Pipe grade

Yield strength, Mpa

Tensile strength, Mpa

PSL1

L320 or X46

320

435

PSL2

L320N or X46N

325-525

 

435-655

 

L320Q or X46Q

L320M or X46M

 

ISO3183 L320 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

 

L320 or X46

PSL 2

Normalizing rolled, normalizing formed, normalized or   normalized and tempered

 

L320N   or X46N

PSL   2

Quenched   and tempered L245Q or BQ

 

L320Q   or X46Q

PSL 2

Thermomechanical rolled or thermomechanical formed L245M   or BM

 

L320M   or X46M

 

Grade L320 is the commonly used grades specified in ISO 3183 standard. World iron&steel manufacture, supply, sell ISO Gr L320 PSL1, PSL2 steel pipe, ISO 3183 Gr L320 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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