Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 

Line Pipe for Oil and Gas

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Line Pipe for Oil and Gas Standard:

API SPEC 5L,ISO 3183, GB / T 9711

Purpose:

For the oiland gas industry, gas, water, oil transportation

Mechanical properties:

Standard

Grade

Tensile strength (MPa)

Yield strength (MPa)

Elongation (%)

Impact energy (J)

API SPEC 5L
ISO 3183
GB/T 9711

 

PSL1

 

Search API SPEC 5L Table 3

 

A25/L175

≥172

≥310

A/L210

≥207

≥331

B/L245

≥241

≥414

X42/L290

≥290

≥414

X46/L320

≥317

≥434

X52/L360

≥359

≥455

X56/L390

≥386

≥490

X60/L415

≥414

≥517

X65/L450

≥448

≥531

X70/L485

≥483

≥565

PSL2

 

Min

Max

Min

Max

Min

B/L245

241

448

441

758

41(27)

X42/L290

290

496

414

758

41(27)

X46/L320

317

524

434

758

41(27)

X52/L360

359

531

455

758

41(27)

X56/L390

386

544

490

758

41(27)

X60/L415

414

565

517

758

41(27)

X65/L450

448

600

531

758

41(27)

X70/L485

483

621

565

758

41(27)

X80/L555

552

690

621

827

101(68)

 

Chemicalcomposition:   

 

Standard

Grade

C

Mn

P

S

Max

Max

Min

Max

Max

API SPEC 5L
ISO 3183
GB/T 9711

PSL1

A25/L175

0.21

0.6

 

0.03

0.03

A25P/L175P

0.21

0.6

0.45

0.08

0.03

A/L210

0.22

0.9

 

0.03

0.03

B/L245

0.28

1.2

 

0.03

0.03

X42/L290

0.28

1.3

 

0.03

0.03

X46/L320、X52/L360、X56/390

0.28

1.4

 

0.03

0.03

X60/L415、X65/L450、X70/L485

0.28

1.4

 

0.03

0.03

0.0PSL2

B/L245

0.24

1.2

 

0.025

0.015

X42/L290

0.24

1.3

 

0.025

0.015

X46/L320、X52/L360、X56/L390

0.24

1.4

 

0.025

0.015

X60/L415、X65/L450、X70/L485

0.24

1.4

 

0.025

0.015

 

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