Drill Pipes & Line Pipes
Drill Pipes
According to API 5D and API Spec. 7 latest edition
Drill Pipes and sour service drill pipes from 2 3/8'' to 6 5/8"
Grades of E, X, G, S
Tool joints: NC26, NC31, NC38, NC40, NC46, NC50, NC56, 5 œ FH, 6 5/8 FH and HLDS26 to HLDS50, HLDS 5 œ to HLDS 6 5/8, others on request.
Hard Banding: Arnco 100, 200, 300, others on request
Internal Plastic Coating: Tuboscope, others on request
Heavy Weight Drill Pipes (HWDP)
According to API 7 and API RP 7G
Size Range: 3 1/2" to 6 5/8"
Hard Banding: As per request
Drill Collars
Size Range: 3 1/8" to 14" Slick or Spiral
Connections: NC 23, NC 26, NC 31, to NC 50
Hard Banding: Arnco Series, Others on request
Line Pipes
Section -1: Seamless
Used for:
Construction of long distance pipe line for combustible liquids and gases, conveying gas and oil, Nuclear station pipe line, heating system, general purpose conditions.
Standards:
API 5L latest edition (PSL1 & PSL2): GR. B, X-42 to X80
ASTM A-106: GR. A, B, C
ASTM A-53: GR. A, B
With supplementary requirements of NACE MR 0175 for Sour Service
Sizes:
Outside Diameter: 1/8'' - 24''
Section -2: Welded
Used for:
Construction of long distance pipe line for combustible liquids and gases, conveying gas and oil, Nuclear station pipe line, heating system, general purpose conditions.
Standards:
API 5L latest edition (PSL1 & PSL2): GR. B, X-42 to X80
ASTM A-53: GR. A, B
With supplementary requirements of NACE MR 0175 for Sour Service
Sizes:
ERW/HFI: Outside Diameter: 1/2'' - 24''
L-SAW/SPIRAL SAW: Outside Diameter: 12'' - 120''
Applicable for both Sections:
Length:
6 mtr & 12 mtr (with tolerances), SRL & DRL
Applicable Tests:
Visual and dimension test.
Hydrostatic test
Mechanical test: Tensile test / Flattening & Bending
Chemical Analysis and other tests are per API specs.
None destructive test (NDT) as per API 5L (Latest edition).
For sour services: HIC test & SSC test.
Protection:
External bare, or External coated with black or anti rusty Mill Varnish
External Galvanized
External / Internal FBE coated
External Three-Layer Polyethylene coated according to DIN 30670
External Three-Layer Polypropylene coated according to DIN 30670
Mill Test Certificates:
Issued upon request according to, DIN 50049 / EN 10204
Third Party Inspection can also be performed on request.
