Decho is a professional supplier on black seamless steel pipe 8 inch sch40 api5l gr.b. Sizes from 1/2″ to 24″ , thickness by schedule 40/60/80/100/160. Seamless Pipe can be provided in cold drawn , hot rolled and hot expanded delivery condition .
Plain End, Bevel End, Groove End , NPT thread and coulpings
Surface treatment
black painting, galvanized , anti corrosive coatings
Pipe Sizes
DN10 to DN600
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 %
C
Mn
P
S
Cu
Ni
Cr
Mo
V
Gr.A
≦0.25
≦0.95
≦0.05
≦0.045
≦0.40
≦0.40
≦0.40
≦0.15
≦0.08
Gr.B
≦0.28
≦1.20
≦0.05
≦0.045
≦0.40
≦0.40
≦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.Cold Bend Test :
D≦60.3mm pipe (except for 42.25. Flatten Test
D>60.3 mm pipe shall be done flatten test .
6.Non Destructive Test & Hydro-static Test :
Seamless Pipe will be doing NDE test for each pipe in 100% frequency . The test way includes Ultrasonic test, Eddy flaw Detection test, or Magnetic flux leakage test .. These Non-Destructive Test can be replaced with hydro-static test.
7. Big Stock :
We have a large quantity of around 20000 tons of line pipe in stock , inclduing the material of API5L/ASTMA106 GR.B , X42, X52, X60 PSL1 , PSL2.
Except for seamless steel pipes, Decho can also provide you related pipe fittings as elbows, tees, flanges , reducers ect. If you have any request for your project ,pls do not hesitate to contact us by email : [email protected]