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Hollow sucker rods, 1 size:5/8'', 3/4'', 7/8'',1'', 1 1/8'', 2 Grade:D,HY,HL,S-87, 3 Material: 20CrMoA/Carbon Steel, 4.API11B - details see: https://www.machineto.com/hollow-sucker-rods-10316853

Hollow sucker rods

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Brief Introduction

The sucker rod is a steel rod that used to make up the mechanical assembly between the surface and downhole components of a rod pumping system.
The product conforms to API Specification 11B (Oil extraction rod Standard) and other related standard, authorized to use the API monogram.
All sizes of sucker rod (standard, heavy, polish rod) which conform to API specification latest version 11B are available in grade K, C, D and HL.

Technical Performances
Adopting the advanced production line crack detecting, quenching, the continuous overall tempering and sand blasting processes to achieve higher mechanical strength ability with overall good performance.
The thread is cut by the special-purpose numerical control lathe which keeps the rod body still when cutting the threads. The special process could ensure the high precision of the thread with better reliability and life-span...

Main Technical Parameter

Sucker Rod OD in(mm)	5/8(15.88)	3/4(19.05)	7/8(22.23)	1(25.40)	1 1/8(28.58)
Thread OD in(mm)	15/16 (23.81)	1 1/16 (26.99)	1 3/16(30.16)	1 3/8(34.93)	1 9/16(39.69)
Coupling OD in(mm)	1 1/2(38.10)	1 5/8(41.28)	1 13/16(46.04)	2 3/16(55.56)	2 3/8(60.33)
Standard Length ft(mm)	30(9140);26(8000);25(7620)

Specification and parameter of hollow polish rod

Grade	Min Y.S psi(MPa)	Min T.S psi(MPa)	Max T.S psi(MPa)
K	60000(414)	90000(620)	115000(793)
C	85000(586)	115000(793)	140000(965)
D
HL	115000(793)	140101(966)	164757(1136)

Merchinary property of hollow rucker rod and hollow polish rucker rod.

Strength Grade	Yield Strength	Tensile Strength	Elongation Percentage	Section Contraction	Impact Ductility	Hardless
Grade D	620	793-965	10	48	58.8	237-291

Hollow sucker rods,hollow sucker rods....