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  • Sucker Rod

Sucker Rod

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Sucker rod is an important part of a sucker rod pumping equipment. Sucker Rod connect with coupling to be a rod string, and up through polished rod connection on the pumping unit or PCP motor, down connection on the pump piston or PCP, its role is to ground the reciprocating movement of the pumping unit horsehead suspension point is passed to the downhole pump or pass the rotation of the PCP motor torque to downhole PCP.


Type specification table:

Sucker Rod Nominal ValueΦ165/8"Φ193/4"Φ227/8"Φ251"Φ2911/8"
Rod Body Diameter 15.88+0.18-0.36
(0.625+0.007-0.014
19.05+0.20-0.41
(0.750+0.008-0.016
22.23+0.20-0.41
(0.875+0.008-0.016
25.40+0.23-0.46
(1.000+0.009-0.018
28.58+0.25-0.51
(1.125+0.010-0.020
Outer Diameter Of External Thread Shoulder 31.8+0.13-0.25
(1.250+0.005-0.010
38.1+0.13-0.25
(1.500+0.005-0.010
41.3+0.13-0.25
(1.625+0.005-0.010
50.8+0.13-0.25
(2.000+0.005-0.010
57.2+0.13-0.25
(2.250+0.005-0.010
Wrench Width
±0.8(±0.031
22.2(0.875)25.4(1.000)25.4(1.000)33.3(1.313)38.1(1.500)
Wrench Length31.8(1.250)31.8(1.250)31.8(1.250)38.1(1.500)41.3(1.625)
API Rod Length
±50(±2.0
508(20)
1118(44)
1727(68)
2337(92)
2946(116)
7518(296)
9042(356)
508(20)
1118(44)
1727(68)
2337(92)
2946(116)
7518(296)
9042(356)
508(20)
1118(44)
1727(68)
2337(92)
2946(116)
7518(296)
9042(356)
508(20)
1118(44)
1727(68)
2337(92)
2946(116)
7518(296)
9042(356)
508(20)
1118(44)
1727(68)
2337(92)
2946(116)
7518(296)
9042(356)
Domestic Rod Length±50900,1400,1900,
2400,2900,3400,
7900,9900
900,1400,1900,
2400,2900,3400,
7900,9900
900,1400,1900,
2400,2900,3400,
7900,9900
900,1400,1900,
2400,2900,3400,
7900,9900
900,1400,1900,
2400,2900,3400,
7900,9900
Upset Flange Diameter31.1+0.13-3.17
(1.219+0.005-0.125
35.7+0.13-3.17
(1.406+0.005-0.125
38.1+0.13-3.17
(1.500+0.005-0.125
48.4+0.13-3.17
(1.906+0.005-0.125
55.6+0.13-3.17
(2.188+0.005-0.125
AR±3.2(±0.12547.6(1.875)57.1(2.250)66.7(2.625)76.2(3.000)85.7(3.375)
CR+1.59-0.40
+0.063-0.016
3.2(0.125)3.2(0.125)4.8(0.188)4.8(0.188)4.8(0.188)

Mechanical Properties Of Steel Sucker Rod:

Mechanical Properties Of Steel Sucker Rod
GradeMinimum Yield Strength(0.2% Residual Deformation)Minimum Tensile StrengthMaximum Tensile StrengthElongation200mm%Reduction Of Area Z%Surface Hardness HRCCore Hardness HBFatigue Life
K6000041490000621115000793≥13≥50


C6000041490000621115000793≥13≥50


D85000586115000793140000965≥13≥50


KD85000590115000795140000965≥13≥50


HL1150007951400009651733391195≥13≥45


HY//1400009651733391195//≥42≥224
EHL//18850013002175001500//≥50≥320≥2.5X106
Note: when the yield strength cannot be measured, it should be considered to be processed into standard sample installation drawing
a It is generally made of high quality carbon steel, which can reach the mechanical properties of the table.
b Molybdenum steel (but not limited to this type of steel) is generally used, and the mechanical properties of this table can be achieved through effective heat treatment.

Chemical Composition Of Common Sucker Rod:

Chemical Composition Of Common Sucker Rod
AISICSiMnPSCrNiMoVCuAl
15410.36-0.450.15-0.351.35-1.65≤0.04≤0.04≤0.3≤0.35≤0.060.04-0.09≤0.35≤0.035
41200.17-0.240.17-0.370.4-0.7≤0.025≤0.0250.8-1.1≤0.30.15-0.25/≤0.2/
41300.26-0.330.17-0.370.4-0.7≤0.025≤0.0250.8-1.1≤0.30.15-0.25/≤0.2/
41380.37-0.450.17-0.370.9-1.2≤0.025≤0.0250.9-1.2≤0.30.2-0.3/≤0.2/
4138M0.37-0.450.17-0.370.9-1.2≤0.025≤0.0250.9-1.2≤0.30.2-0.30.04-0.09≤0.2/
41400.38-0.450.17-0.370.5-0.8≤0.025≤0.0250.9-1.2≤0.30.15-0.250.04-0.09≤0.2/
41420.38-0.450.17-0.370.5-0.8≤0.025≤0.0250.9-1.2≤0.30.15-0.250.04-0.09≤0.2/
31300.22-0.290.15-0.350.71-1.0≤0.025≤0.0250.42-0.650.72-1.00.01-0.06/≤0.2/
43200.18-0.420.15-0.350.8-1.0≤0.025≤0.0250.7-0.91.15-1.50.2-0.30.04-0.09≤0.35≤0.035
43300.3-0.350.15-0.350.8-1.1≤0.025≤0.0250.8-1.11.65-2.00.2-0.30.05-0.10≤0.2/
46210.18-0.230.17-0.370.7-0.9≤0.025≤0.025≤0.351.65-2.00.2-0.3/≤0.2/
47200.19-0.230.15-0.350.85-1.05≤0.025≤0.0250.8-1.050.9-1.20.22-0.300.02-0.050.40-0.60/
Sucker Rod Weight List
Size5/8"3/4"7/8"1"1-1/8"1-1/4"1-1/2"
kg/m1.682.43.24.25.36.49.5


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