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Products
Product type:Oil Production Equipments and Parts--Rod Pumping System
 
Name:SUCKER RODS
Item:ydaer_1
Description:
        Our API sucker rods are manufactured from high-quality steel bars. All bars material are straightened and NDT testing before forging. The rods ends are heated with induction furnace, then forging. Heat treatment is carried in full length rods to assure uniform mechanical and metallurgical properties throughout the rod. All the threads are machined in CNC equipment by means of cold rolling.
We have Grade C, D, K, KD and H sucker rods suitable for different onsite condition.
窗体顶端
Size窗体底端
Grade
Material
Length Range
5/8”
3/4”
7/8”
1”
1 1/8”
C
AISI 1536
22’
25’
30’
K
AISI 3130
KD
AISI 4330
D
AISI 4130
AISI 4142
H
AISI 4120窗体底端
 
 
Grade D sucker rod adopts the low carbon steel of better plasticity. The sucker rods passes through rod head forging, the overall quenching and tempering, rod head numerical control processing and the casing hardening processing technology, have reliable quality, and fine performance. And all our products are strictly carries out API spec 11B standard.
Grade
Material
Yield Strength
Tensile Strength
Broken Elongation
Sectional Shrinkage
D
20CrMoA/AISI4142
≥590MPa
795-965 MPa
≥10%
≥50%
Material and mechanical properties of Grade D sucker rod
Grade KD sucker rod has high quality and efficient performance. We had the right to use API monogram on our productions. These series of products are produced by high-quality AISI4720SR Nickel-Chromium-Molybdenum alloy steel. All rods are straightened and inspected by defect scope for surface defects. Both ends are upset by hot forging, adopting patent heating technology designed independently to protect excessive heating and over roasting. Rods are full length quenched and tempered to refine and homogenize grain structure. All rods are also shot peenned to improve fatigue life. Upset pin blanks are machined and dimensions gauged. Pin threads are cold-formed to strengthen the thread from fatigue. These rods feature fully rolled, cold-formed threads designed to provide a precise, smooth, reinforced, and the resultant cold working strengthens the thread root.
Grade
Material
Yield Strength
Tensile Strength
Broken Elongation
Sectional Shrinkage
KD
AISI4720
≥590MPa
795-965 MPa
≥10%
≥50%
Material and mechanical properties of Grade KD sucker rod
POLISH ROD
Our polished rods are manufactured according to API standard, available in size of 1 1/8", 1 1/4" and 1 1/2". 
Specification
1 1/8”
1 1/4”
1 1/2”
Grade
D 、H 、Spray Metal
Steel Type
  AISI 4140  AISI 4142
Length Range
16’  25’  30’
1 2

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