Main Technical Parameters for Sucker Rod
|
Name |
Size |
Grade |
Mechanical Properties |
Length (m) |
|||
|
Rm (MPa) |
Rel (MPa) |
A(%) (200mm) |
Z (%) |
||||
|
Sucker Rods and Pony Rods |
16、19、22、25、29、32 |
K |
620~795 |
415 |
≥13 |
≥60 |
7.62、8.00、9.14、10.00 |
|
C |
620~795 |
415 |
≥13 |
≥50 |
|||
|
D |
795~965 |
590 |
≥10 |
≥50 |
|||
|
High-strength Anticorrosion Sucker Rods |
KD |
795~965 |
590 |
≥10 |
≥50 |
||
|
Ultra-high Strength Sucker Rods |
H |
965~1195 |
795 |
≥10 |
≥45 |
||
Main Technical Parameters for Polished Rods
|
Name |
Size |
Grade |
Mechanical Properties |
Length (m) |
|||
|
Rel (MPa) |
Rm (MPa) |
A (%) |
Z (%) |
||||
|
Polished Rods-upset on One End |
25、29、32、38 |
H |
≥795 |
965~1195 |
≥10 |
≥45 |
4.0~10.0 |
|
D |
≥590 |
795~965 |
≥10 |
≥50 |
|||
|
Polished Rods-normal Type |
H |
≥795 |
965~1195 |
≥10 |
≥45 |
||
|
D |
≥590 |
795~965 |
≥10 |
≥50 |
|||
|
Polished Rods-metal Spray |
H |
≥795 |
965~1195 |
≥10 |
≥45 |
||
|
D |
≥590 |
795~965 |
≥10 |
≥50 |
|||
Mechanical Property
|
Grade |
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Coefficient of Elongation 200mm (%) |
Section Shrinkage (%) |
AKV (J) |
|
HL |
965 – 1195 |
≥795 |
≥10 |
≥45 |
≥60 |
Chemical Composition
|
Material |
C |
Si |
Mn |
Cr |
Ni |
Mo |
Cu |
V |
P |
S |
|
35CrMoA |
0.32~0.40 |
0.17~0.37 |
0.40~0.70 |
0.80~1.10 |
≤0.30 |
0.15~0.25 |
≤0.20 |
--- |
≤0.025 |
≤0.025 |



