Water Pipeline

3 125

 Water Pipeline AWWA C200 Water pipe line is widely used in the following fields/industries:

Hydraulic Power Station, Potable 

Water supply industry, irrigation penstock, Sewage disposal pipe line

With the ever-increasing demand and requirement on water transmission 

 

especially on drinkable water, we set up a totally new mill in 2010, which can make the following 

water pipeline:

Pipe Specification: 

AWWA C200, API 5L GR.B/Grade X70 or any other equivalent specification

O.D.: 30 inch up to 130 inch

Wall thickness:  0.25 inch up to 1.0 inch

Type of Pipe end: Bell & Spigot End, Bevel end, Invert Bevel end

Coating and Lining Standard:
AWWA C210: Liquid-Epoxy Coating Systems for The Interior and Exterior of Steel Water Pipelines
AWWA C203: Coal-Tar Protective Coatings and Linings For Steel Water Pipelines-Enamel And Tape-hot Applied
AWWA C222: Polyurethane Coating for The Interior and Exterior of Steel Water Pipe and Fittings

This mill has the following characteristics:  

60' single pipe length make the site construction 1/3 less than normal 40' pipe length.

Compared with normal bevel end, Bell and spigot end make the site construction easier. We can 

make various types of bell and spigot end as users' requirement/drawing

The key factor for anti-corrosion is the surface preparation. 

We set up an automatic interior and exterior centrifugal blasting line to clean the pipe surface so that 

the pipe surface profile comply with AWWA C210/ ASTM D4417 with anchor depth of 2-4 mils and the Degree of surface cleanliness comply with AWWA C210/SSPC-SP 10/NACE No. 2.

At the same time, this plant is equipped with a curing house, which can make the paint cure in a short 

time and allow the coating and lining application without limitation by weather. This makes the continuous 

coating and lining process and short delivery to come true.

 

 

API-5L LINE PIPE:

 

Seamless Line Pipe PSL1 or PSL 2

Material:GR.B,X42,X52,X60,X65,X70,X80

Size:13.7mm-711.2mm

Length:DRL or (6-12meter)

Uses:For conveying gas,water,and oil in both the oil and natural gas industries

Sour service:Acc to NACE MR-0175 or without

2. Chemical Composition & Mechanical Property

Standard

Steel

Grade

Chemical composition, %

Tensile strength,

MPa

Yield strength, MPa

Elongation, %

C

Mn

P

S

MAX

MIN

API-5L

B

0.27

1.15

0.03

0.03

413

241

21.5-29.5

 

X42

0.29

1.25

0.03

0.03

413

289

21.5-29.5

 

X46

0.31

1.35

0.03

0.03

434

317

20.5-28.5

 

X52

0.31

1.35

0.03

0.03

455

358

19.5-27

 

X56

0.26

1.35

0.03

0.03

489

386

18.5-25.5

 

X60

0.26

1.35

0.03

0.03

517

413

17.5-24

 

 

 

.

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Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 360 staff members including 80 technicians in our company. .

We also establish an effective complete quality control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification!