Sucker Rod

  • Designed and manufactured according to API spec 11B.
  • Able to supply sucker rod in different grades.
  • Threads are processed as to ensure high precision, reliable performance and extended service life.
  • Available in 5/8″ (15.88mm), 3/4″ (19.05mm), 7/8″ (22.23mm), 1″ (25.40mm), and 1-1/8″ (28.58mm) body diameter.
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Description

Sucker Rod

 

Sucker rod is steel rod that manufactured according to API SPEC 11B with C, D, H and K Grades. It is used to connect the pumping unit on the ground and the oil well pump down in the well. Sucker rod is an important part in the oil production system. Different grades of sucker rod has features of high strength, non-corrosive medium, good tensile and long service life.

Types of sucker rode:

  • Ordinary sucker rod
  • Polished sucker rod
  • Pony sucker rod (pup joint)
  • Solid or hollow sucker rod
  • Sinker bar

Techanical Specification

Ordinary sucker rod & pony rod:

Size
(in)
Rod D.
(in)
Thread D.
(in)
Length
(ft)
Outside Diameter of Pin Shoulder
(mm)
Length of Thread
(mm)
Length of Wrench Square
(mm)
Width of Wrench Square
(mm)
5/8 5/8 15/16 2 4 6 8 10 25 30 31.8 31.75 ≥ 31.8 22.2
3/4 3/4 11/16 38.1 36.5 25.4
7/8 7/8 1-3/16 41.3 41.28
1 1 1-3/8 50.8 47.63 ≥ 38.1 33.3
1-1/8 1-1/8 1-9/16 57.2 53.98 ≥ 41.3 38.1

 

Grade Yield Strength Tensile Strength Rm (Mpa) Percentage Elongation A
(%)
Contraction Percentage of Area Z (%) Impact Toughness
Rel (Mpa) a(3/cm2)
C ≥ 414 620-793 ≥ 12 ≥ 55 ≥ 70
D ≥ 620 794-965 ≥ 10 ≥ 505 ≥ 58.85
K ≥ 414 620-793 ≥ 12 ≥ 55 ≥ 70

 

Polished rod:

Size(in) Rod D.(mm) Length(ft) Thread D. (in) Thread Length (mm) Small Diameter Taper of Thread
1 25.4 30
25
24
16
15/16 28.58
1 Upset 15/16 1-1/16 31.75 36.5
1-1/8 28.6 15/16 1-1/16 34.93
1-1/8 Upset 1-3/16 1-3/8 41.28 47.63
1-1/4 31.8 1-3/16 34.93
1-1/4 Upset 1-3/8 1-9/16 47.63 53.98
1-1/2 38.1 1-3/8 44.45

 

Grade Yield Strength Rel (Mpa) Tensile Strength Rm (Mpa) Percentage Elongation A (%) Contraction Percentage of Area Z (%) Impact Toughness ak(J/cm2)
1 ≥ 414 620-827 ≥ 12 ≥ 55 ≥ 70
2 General ≥ 586 655-1102 ≥ 10 ≥ 50 ≥ 58.8
Anti-corrosion ≥ 414 ≥ 12 ≥ 55 ≥ 70

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