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Drill pipe
Oil and natural gas, water, steam, etc. are transported through pipeline pipes, and fluids are transported through pipeline pipes, including seamless pipes and welded pipes.

Drill Pipe

                     Fluid and gas transport



O.D 21.3mm-711.2mm  W.T 1-120mm   1/2”—28” （SCH5S—SCH160、STD、XS、XXS ）etc.

Steel Grade：Gade B 、Grade X42、Grade X52、Grade X60、Grade X65、Grade X70、Grade X80、Grade X100 PSL-1, PSL-2.

Drill pipe Grade


Products


SpecificationGradeDesignation of DiameterWall ThicknessUsage

Drill pipe

API 5DP


E-75


60.3mm - 193.7mm

4.0-25mm



X-95



G-105



S-135


※   Petroleum and natural gas industries -Steel Drill pipe

API SPEC 5DP：Specification for Drill Pipe
ISO 11961：Petroleum and natural gas industries -Steel drill pipe
SY/T-5200：Drill stem subs
IRP VOLUME 1 : CRITICAL SOUR DRILLING

Mechanical performance



Specification


Grade


Yield


Tensile

Strength

Elonggation

Charpy Impact Average

SSC

Requirement

minmaxminminmin
ksi（Mpa）ksi（Mpa）ksi（Mpa）%ft-lb（J）
API 5DP


Group 1


E7575(517)105(689)100(689)

API 5DP

 formula

32（43）
-
Group 3


X-95


95(655)125(724)105(724)

API 5DP

 formula

32（43）-


G-105


105(724)135(931)115(793)

API 5DP

 formula

32（43）-


S-135


135(931)165(1138)145(1000)

API 5DP

 formula

32（43）-
Note

  1. SMYS:  Specified Minimum Yield Strength  
  2. SSC requirement: NACE test as per NACE TM0177 Method A Solution A
  3. Charpy Impact Average: Minimum average Charpy Impact Value at room temperature, 3/4 standard size (7.5 X 10mm2)
  4. (1)Minimum average Charpy Impact Value at –20°C, 3/4 standard size (7.5 X 10mm2)
  5. (2)Minimum average Charpy Impact Value at –60°C, 3/4 standard size (7.5 X 10mm2)