Casing, Tubing

Casing, Tubing

 Casing, Tubing, Drill pipe, Line pipe, Boiler tubes, Carbon Steel tubes, Precision tubes

Line pipes are used to transport oil and gas, water, mineral slurry and other fluids. Our line pipes are manufactured in accordance with API Spec 5L. Tubing and Casing, Line Pipes API SPEC 5L is a international standard specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.
Related Products :
  • Threaded Casing with Short/Long Round Thread or Buttress
  • Drill Pipes with Welded-on Tool-Joints/Threaded End
  • Line Pipe with Plain End and Beveled
  • Boiler Tubes /Heat Exchanger Tubes
  • Carbon Steel Tubes for General Structural Purposes
  • Precision Carbon Steel Tubes
  • Seamless Tubing and Couplings Hydrosulfide-Carbon Dioxide- and Cold-Resistant
  • High Longevity Oil-Well Tubing and Interlocks of Production Strings for Corrosive Media
  • Wear-Resistant Tool Joints for Tubing
  • Seampless Tubing with Externally Upset Ends and Couplings Hydrosulfid- and Cold-Resistant
  • Drill Pipes with Welded Tool Joints
  • API Spec 5CT Casing pipe
  • Conveying gas,water,and oil in both the oil and natural industries, Tubular goods for petroleum and natural gas industries
Production Standard, Grade, Steel No:
  • API 5L PSL1 L175/A25, L210/A, L245/B, L290/X42, L320/X46, L360/X52, L485/X70, PSL2 L245R/BR, L290N/X42N, L320N/X46N, L360N/X52N, L415/X60N
  • API 5CT PSL1, PSL2, PSL3, H40, J55, K55, N80
  • GB/T 9711.1 L175, L210, L245, L290, L320, L360
  • GB/T 9711.2 L245NB, L290NB, L360NB
  • GB/T 9711.3 L245NC, L290NC, L360NC
Delivery Condition:
  • Annealed, Normalized, Normalized and Tempered
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness), Drift Test, Surface and Dimension Test,NDE, Hydrostatic Test, MT
Inspection and Tests Performed: 
  • 5L – Chemical composition, Mechanical properties, Hydrostatic test, Dimensional testing, Visual inspection, Nondestructive inspection
  • 5CT – Chemical composition, Tensile test, Flattening test, Hardness test, Impact test, Grain size determination, Harden ability, Sulfide stress-cracking test, Hydrostatic test, Dimensional testing, Visual inspection, Non-destructive examination(NDE)
Surface Treatment:
  • 5L – Uncoated(bare), Temporary coating, Special coating, Oil-dip, Shot Blasting, Varnish
  • Size: We supply various line pipes including seamless line pipes
  • (OD from 2-3/8" to 24", steel grade A, B, X42 - X80)

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Company Name:  Sunny  Steel Enterprise Ltd.
Contact Person:  Sum Xu
Address:  No. 273, Siping Road, Shanghai, 200081, China
Zip:  200081
Telephone:  0086-21-33780199
Fax:  0086-21-61851035
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