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iron pipe

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DN 400 Ductile iron pipes 
Delivery Detail :During 15-30 days after the signing of the contract

characteristic

Anticorrosion strong, good ductibility, Simple installation.

chemical composition

Main ingredients: C, Si, Ma, S, Mg etc.

metallographic structure

In ferrite and pearlite substrate  has a certain number of spherical graphite,minor-calibe:≤20%, large diameter:about25%

mechanical property

Min tensile strength:420/Mpa;Min yield strength 300/Mpa;Min elongation7%

executive standard

GB/T13295-2003 ISO2531/2003

caliber

DN80-DN1500

advantage

Safe and reliable operation, lower breakage, construction maintenance convenient, quick, anti-corrosion performance is excellent, etc.

shortcoming

Have low stress tolerance.Due to too heavy,must use mechanical.

application

Mainly used in municipal, enterprises water supply and gas transmission, etc.

Interface and coating

1interface cement calking, rubber ring interface.

2 rubber ring material: EPDM

3 coating:internal coating: epoxy resin, polyurethane. Outer coating:PE membrane

Theoretical Weight Table

nominal diameter(mm)

Straight part diameter (mm)

wall thickness (mm)

weight (Kg/m)

Bellmouth

 weight (Kg)

total weight (Kg)

total weight/m

100

118

6.1

15.1

4.3

95

15.8

150

170

6.3

22.8

7.1

144

24

200

222

6.4

30.6

10.3

194

32.3

250

274

6.8

40.2

14.2

255

42.5

300

326

7.2

50.8

18.9

323

53.8

350

378

7.7

63.2

23.7

403

67.2

400

429

8.1

75.5

29.5

482

80.3

450

480

8.6

89.3

38.3

575

95.8

500

532

9

104.3

42.8

669

111.5

600

635

9.9

137.3

59.3

882

147

700

738

10.8

173.9

79.1

1123

187.2

We are one of the largest profe

ssional steel pipe manufacturers and operators.Welcome to visit our website http://www.steelpips.org if you are interested in our steel pipe,please contact me.We will provide you with reasonable price and high quality services.

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Get in touch

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!