Line Pipes, Casing & Tubing

Eddy Current/ Magnetic Flux Leakage
Ultrasonic (Weld Check)
Metallographic Examination
Chemical Analysis of Raw Material
 
Marking
 On pipe: paint-marking, die-stamping
On bundles: information tags
 
Packing
 Pipes will be delivered in bare or jute wrapped bundles & will
Fastened with sufficient number of steel Signode straps.
 
Mill Certificates
 Issued upon request according to EN 10204
2.1:2.2:3.1 (3.2 available on special request)
 

 
Casing/Tubing:
 
API 5 CT
 H40, J55
 
 
Sizes
 Outside diameter
Line Pipe : 21.3 mm 406.4 mm ? 16
Casing:      114.3 mm 273 mm 41/2 103/4
Tubing:      26.7 mm 60.3 mm 1 23/8
 
Heat Treatment
 Full body annealing : between 21.3 mm & 88.9 mm
Weld Seam annealing: between 114.3 mm & 323.9 mm
 
End Finishing
 Plain End-Square cut or beveled
 
Surface Conditions
 Black self colored / uncoated
Mill protective coating (oil, black varnish) on outside surface
Epoxy lining & coating                         (AWWA C210)
3Layer PE Coating                   (DIN 30670, UNI 9099)
Bitumen Coating                      (DIN 30673, BS S 34)
Coal Tar Enamel Coating        (AWWA C 203)
 
Tests Performed
 Visual & Dimensional Inspection
Destructive Inspection : Tensile Test, Flattening Test, Expanding Test
Bending Test, Weld Ductility Test, Fracture Toughness Test, PE Peeling and
Impact Test, Hydrostatic Test,
Non Destructive Inspection:

St E 210.7, St E 240.7, St E 320.7, St E 360.7
Gr 430, Gr 360
L (210/235/245/290/360) GA
L (245/290/360) MB/NB
P 235TRI P 235TR2
P 195GH, P235GH, P265GH, 16Mo3

 Steel Grades
Gr A, B, X 42, X 46, X 52
Gr A, B, C
St 37.0, St 44.0, St 52.0

Field of Application
 On-shore & off-shore pipelines for transmission of oil, natural gas, petrochemicals
Water and oil well casing
 
Production Standards & Steel Grades
 Line Pipe:
 
Production Standards
API 5L
ASTM A 53
DIN 1626/2458-DIN 2470 Part1
DIN 17172-DIN 2470 Part 2
BS 3601
EN 10208 1
EN 10208 2
EN 10217 1
EN 10217 2

Field of Application
On-shore & off-shore pipelines for transmission of oil, natural gas, petrochemicals
Water