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SINO ENGINEERING  GROUP(HK) CO., LIMITED
Beijing Add:18th  Floor ,Bright China Chang An Buliding  
158 Indoor Street,Jianguo Gate,Dongcheng  District ,Beijing China
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Steel Products

Pipeline Steel

Pipeline Steel
  • ProductsPipeline Steel

Detailed

1. Product Introduction
Pipeline steel plate is mainly used for manufacturing steel pipes for transporting crude oil, refined oil, natural gas and other fluid or gases. Key pipeline steel products developed by NISCO and batch supplied include: ordinary buried pipeline steel, hot bending pipe, submarine pipeline steel, sour service pipeline steel, anti-large deformation pipeline steel and so on.

2. Grade and Size
(1)Grade and Size

 

Standard

Grade

Delivery State

Size

(T*W*L)(mm)

API 5L, ISO3183, DNV, GB/T9711, or technical agreement

Plate

B(L245, BM, L245M, 245MB)~

X56(L390, X56M,L390M, L360MB)

TMCP

6-30*1600-3200

*6000-18000

X60(L415, X60M, L415M, L415MB)~

X70(L485, X70M, L485M, L485MB)

TMCP

6-28.6*1600-3200

*6000-18000

X80(X80M, L555M, X90 (X90M, L625M)

TMCP

6-20*1600-3200

Submarine pipeline BMO(L245MO)~

X80MO(L555MO)

TMCP

6-31.2*1600-3200

Acid-resistance pipeline BMS(L245MS)~X65MS(L450MS)

TMCP

6-26*1600-3200

anti-large deformation pipeline X70HD, X80HD

TMCP

6-28.6*1600-3200

BN(L245NB)X52N(L360N)

N

6-25*1600-3200

BQ(L245Q)X70Q(L485Q)

Q

6-25*1600-3200

Coil

B(L245, BM, L245M, L245MB)~

X70(L485, X70M, L485M, L485MB)

TMCP

6-20

*1600-2500*L

X80(X80M, L555M)

TMCP

6-18.4

(2)Chemical Composition
Typical Pipeline Steel Composition Range wt % (Max)

 

Grade

C≤

Mn≤

P≤

S≤

Si≤

Nb≤

Mo≤

Cr≤

Ni≤

V≤

Ti≤

X65

0.09

1.60

0.020

0.008

0.35

0.06

0.30

0.25

0.30

0.06

0.025

X70

0.09

1.65

0.020

0.005

0.35

0.08

0.30

0.30

0.30

0.06

0.025

X80

0.09

1.85

0.018

0.005

0.35

0.10

0.35

0.40

0.40

0.06

0.025

X65MS

0.08

1.45

0.015

0.002

0.35

0.06

0.10

0.30

0.30

0.06

0.025

X65MO

0.10

1.65

0.018

0.003

0.35

0.06

0.30

0.30

0.30

0..06

0.025

X70HD

0.09

1.65

0.018

0.005

0.35

0.10

0.30

0.30

0.30

0.06

0.025

(3)Mechanical Property
Typical Pipeline Steel Mechanical Property

 

Grade

Rt0.5 Mpa

Rm Mpa

Yield Ratio

Rt0.5/Rm

Impact

(-20, J)

HV10

Min

Max

Min

Max

X65

460

600

535

740

≤0.90

≥180

≤235

X70

500

620

570

740

≤0.90

≥220

≤255

X80

560

705

625

825

≤0.92

≥220

≤260

X65MS

460

600

535

740

≤0.92

≥180

≤230

X65MO

460

580

535

740

≤0.90

≥180

≤235

X70HD

490

610

570

740

≤0.85

≥180

≤255

Note: steel plate drop weight test result, grain size, inclusion, banded structure and other indicators conform to the requirements of the standard or customer technical requirements, all composition, properties, etc. can meet the requirements of technical agreement.

3.References
(1)Delivery References

From 2006 to now, NISCO has supplied Pipeline steel X80 and lower level steel more than 2100,000 tons to the market. Products developed and commercially produced mainly include ordinary buried pipeline steel for oil and gas transportation, A solution sour service pipeline, hot bending pipeline, submarine pipeline, anti-large deformation pipeline, and other kinds of pipeline steel. Among them, more than 70% are X65/70 / X80 grade, mainly used in the 2nd line of West-East natural gas transmission project, Sinopec Sichuan-East natural gas transmission project, CNOOC LNG, and abroad key pipeline projects, etc.

 

No.

Grade

Project Name

1

SMYS450F

Nanhai Liwan Deep-sea Pipeline Project

2

X70HD/X70M

China-Burma Oil Gas Pipeline Project

3

X70

2nd line of West-East Natural Gas Transmission Project

4

K60 C2

China-Russia Eastern Siberia–Pacific Ocean Pipeline Project

5

X70

Sinopec gas transmission project from Sichuan to outside Sichuan or to East

6

X65MS/X65M/X70M

Exported to Pipeline Projects in Middle East, Europe, Africa, America, etc.

7

X65/X70

CNOOC LNG Project

8

X80

Zhongwei-Guiyang Oil Gas Pipeline Engineering Project

9

X65MO

Hongkong Branch Submarine Pipeline Project

10

X65

The Daqing-Tieling Project

11

L450MB

West China Crude Oil and Refined Oil Project

(2)Honors and Certificates of Pipeline Steel
Certificates and honors for pipeline steel products: in 2007, NISCO was the first domestic company that obtains the pipeline steel production license from General Administration of Quality Supervision. In 2008, pipeline steel products won the gold medal of metallurgical product quality from China Association for Quality. X65 and X70, X80 has successively won the high-tech products award in Jiangsu province.

4. After-sales Service
For key pipeline projects at home and abroad, our company can dispatch professional and technical personnel to the site to track and provide technical support according to user requirements. When user put forward quality objection in written form, our company will reply within 24 hours, and arrive on site within 72 hours.

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