4 inch galvanized steel pipe BS1387

Decho is a professional supplier on 4 inch galvanized steel pipe BS1387. Specification for screwed and socket steel pipe , screwing to BS21 pipe threads

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1.Description

Galvanized Steel Pipe

Pipe Type

Welded Steel Pipe

Zinc Thickness

200g to 600g

Pipe Material

ASTMA53/ASTMA106/API 5L GR.B , Q235B,Q355B,20#

Pipe Length

12m max

Pipe End

Plain End, Bevel End, Groove End , NPT thread and coulpings

Surface treatment

Pickling and passivation treatment ,free of oil , rust ,

Pipe Sizes

DN10 to DN1200

Wall thickness

sch40, sch60, std,sch80, sch100,sch160

Package

Bundle package with water proof plastic bags

Shipment

in 20FT, 40FT container or break bulk vessels

Production Capacity

10000 tons per month .

2. Material and Chemical Composition

Material

Chemical Composition %

Gr.A

≦0.25

≦0.95

≦0.05

≦0.045

≦0.40

≦0.15

≦0.08

Gr.B

≦0.30

≦1.20

≦0.05

≦0.045

≦0.40

≦0.15

≦0.08

Remark: Cu+Ni+Cr+Mo+V ≦1.00%

3. Mechanical Properties:

Material

Mechanical Properties

Yield Strength

Tensile Strength

Gr.A

≧205 MPA

≧330 MPA

Gr.B

≧240 MPA

≧415 MPA

4. Flatten Test

D>60.3 mm pipe shall be done flatten test .

5.Non Destructive Test & Hydro-static Test :

Steel Pipe will be doing NDE test and hydro-static test for each pipe in 100% frequency .

6. Galvanizing Inspection :

For each purchase order, we guarantee the min zinc thickness regulated in the Contract . and do the measurement before shipment . Zinc Surface shall be smooth and free of rust , oil ect . Marking shall be clear. Bundle Package shall be resistant .

7. Deep procession on material :

Decho is professional with deep procession on steel material. For galvanized seamless steel pipe, we can process with threading and coupling end, weld with flanges, weld with plate as per clients design , and we can also bend the pipe .

8. One-stop purchase service :

Except for galvanized pipes, Decho can also provide you steel bars, steel plates, steel coils, welded pipes, as well as other pipe fittings. If you have any request for your project ,pls do not hesitate to contact us by email : [email protected]