Sucker Rod OD in(mm) 5/8" 3/4" 7/8" 1" 1-1/8"
Thread OD in(mm) 15/16 1 1/16 13/16 1 3/8 1-9/16
Coupling OD in(mm) 1 1/2 1 1/2 1 13/16 2 3/16 2 3/8
Standard Length ft 30ft 26ft 25ft
WT(kg)Without coupling 12.0 17.2 23.3 30.4 38.5
WT(kg)With FH coupling 12.6 17.9 24.1 31.6 39.8
WT(kg)With SH coupling 12.4 17.7 23.8 31.0 39.3
Mechanical Properties
Grade C D K
Yield Strength Rel(Mpa) ≥414 ≥620 ≥414
Tensile Strength Rm(Mpa) 620-793 794-965 620-793
Percentage Elongation A(%) ≥12 ≥10 ≥12
Contraction Percentageof ≥55 ≥50 ≥55
Area Z (%)
Impact Toughness
Steel sucker rod is one of major equipment for oilfield,. Grade C sucker rod is made of fine carbon steel SSYD-1 ( equivalent to AISI 1526). It is featured by moderate strength, good plasticity and better corrosion-resistance. Grade C sucker rod is suitable for sour medium environment where they are not to sulphuric stress cracking.
Grade D sucker rod is made of Ni-Mo alloy stell 30 CrMoA ( equivalent to AISI 4130 ). It is featured by high strength, better plasticity and long service life after heat treatment. Grade D sucker rod is suitable for the deeper oil well in the non-corrosion or light-corrosion medium.
Grade K sucker rod is made of fine Ni-Mo alloy steel 20Ni2MoA ( equivalent to AISI 4620 ). It has strength of suitable corrosion-resistant plastic and is suitable for light loads and corrosive medium light wells.
Sucker rod O.D 5/8" 3/4" 1" 1-1/8" mechical properties Grade C D K
Yeild Strength Rel(Mpa) ≥414 Grade C, ≥620 Grade D, ≥414 Grade K,
Tensile Sterength Rm(Mpa) 620-793 Grade C, 794-965Grade D, 620-793 Grade K
Percentage ElogationA% ≥12GradeC, ≥10 Grade,≥12 Grade K
Contraction percentage of
Area Z% ≥55 GradeC,≥50 Grade D,≥55 GradeK
Impact toughness ≥70 Grade C, ≥58.8 Grade D, ≥ 70 Grade K
standard length ft 30ft,26ft,25ft
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