.

Zinc coated tube

Galvanized Steel Pipe

What is hot dipped galvanized steel pipe?

Zinc coated tubeis one of our main pruduct, as a leading Zinc coated tube manufacturerin China, we can give you a factory price!

Hot-dip galvanizing (HDG), as referenced in the process of dipping fabricated steel into a kettle or vat of molten zinc. While the steel is in the kettle, the iron metallurgically reacts with the molten zinc to form a tightly-bonded alloy coating that provides superior corrosion protection to the steel.

What is pre galvanized round steel pipe?

The pregalvanized welded steel piperefers to welded tube which undergoes decreasing, rust removal, phosphorization, and drying processes before galvanization.The treatments before galvanization allow the product to be conveniently plated with a zinc coating and also ensure uniform coating thickness, strong coating adhesion, and improved corrosion resistance

What is ERW welded round steel pipe?

Welding pipes is one of the simplest and most durable ways to join piping together and steel pipes can simply be welded together with MIG (metal inert gas), TIG (tungsten inert gas or SMAW (stick metal arc) welding. Before welding two pipes together, avoid any gaps between the two pipes. While welding, take measures to ensure the continual alignment of the two pipes.

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We also provide Square Steel Pipe, Carbon Steel Pipe Cap, bend Pipeand soon

DN

INCH

OD(mm)

WT(mm)

DN

INCH

OD(mm)

WT(mm)

15

1/2''

400

16''

20

3/4''

26

450

18''

25

1''

500

20''

508

6-14

32

1 1/4''

550

22''

6-14

40

1 1/2''

600

24''

6-14

50

2''

650

26''

6-14

65

2 1/2''

76

700

28''

6-14

80

3''

89

750

30''

762

6-14

90

3 1/2''

108

800

32''

8-20

100

4''

114

850

34''

8-20

125

5''

140

900

36''

8-20

150

6''

165

1000

40''

1016

8-20

200

8''

219

1050

42''

8-20

250

10''

273

1100

44''

8-20

300

12''

325

1150

46''

8-20

350

14''

355

1200

48''

8-20

Specification

Material list

Elements

Chemical Composition%

Mechanical Property

Material

C%

Mn%

S%

P%

Si%

Yield Point

Tensile Strength

Elongation

(Mpa)

(Mpa)

(%)

Q195

<0.05

<0.045

<0.3

>195

315-430

32-33

Q235

<0.045

<0.045

<0.3

>235

375-500

24-26

Q345

<0.20

<0.04

<0.04

<0.55

>345

470-630

21-22



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