Product Attribute:
Double seam submerged-arc welded steel p:petroleum and natural gas industries
Applicationt:
Acura, BMW, Changan, Ford
Production Description:
API 5L Gr.B Double seam submerged-arc welded steel pipes are API 5L Gr.B Double seam SAW steel pipes, and SAW is short for phrase submerged-arc welded. When the sizes are smaller than size 4½, API 5L Gr.A ERW steel pipes will be reasonably straight.
Tolerances
Diameter of Pipe Body: ± 1.00%
Diameter at Pipe Ends: - 1.00%, +2.4%
Wall Thickness: + 20.0, - 12.5
Weight: + 10,-5.0
Lengths: 6-80
Notes: the dimensions are in accordance with the official standard or as your demand.
Chemical compositions of API 5L Gr.B Double seam SAW steel pipes (mass%)
|
Grade |
C
|
Mn
|
P
|
S
|
Ti
|
|
API 5L PSL1 Gr.B
|
0.26
|
1.20
|
0.030-0.045
|
0.030
|
0.04
|
|
API 5L PSL2 Gr.B
|
0.22
|
1.20
|
0.025
|
0.015
|
0.04
|
Mechanical properties for API 5L Gr.B Double seam SAW steel pipes
Grade |
TensilestrengthRm N/mm² min
|
YieldstrengthReH N/mm² min
|
ElongationA in% min.
|
|
API 5L PSL1 Gr.B
|
414
|
241
|
23
|
|
API 5L PSL2 Gr.B
|
414
|
448
|
23
|
Charpy Impact Tests: not required for PSL1,but required for PSL2
Nondestructive inspection; required
Hydrostatic Test; required
Straightness: reasonably straight(sizes are smaller than size 4½)
Defects: Any surface imperfection that has a depth greater than 12.5% of the specified wall thickness shall be considered a defect.
Typical application for API 5L Gr.B Double seam SAW steel pipes
pipeline transportation systems in the petroleum and natural gas industries. API 5L is suitable for conveying gas, water, and oil.
Productive process for API 5L Gr.B Double seam SAW steel pipes
Material inspection prepare coil coil delivery unfolding coil smoothing coil cut and but pinch auxiliary tension crude edge milling delibery pre-curved guide plate pipe molding inside and outside welding steel pipe cutting surface inspection opposite welding manual ultrasonic inspection expanding drift X-ray inspection pipe end photo finished product inspection length and weight measuring marking store up
We BEBON are the leading manufacturer and supplier of API 5L Gr.B Double seam SAW steel pipes that are manufactured using high quality raw material and advanced technology. please feel free to contact us.
Tiffany(at)bebonchina(dot)com
Skype: tiffany-bebon1