Steel sucker rod is one of major equipment for oilfield. Grade C ,Grade D, and Grade K sucker rods are our ... More ...
Steel sucker rod is one of major equipment for oilfield. Grade C ,Grade D, and Grade K sucker rods are our main products producing in accordance with API 11B. Grade C sucker rod is made of fine carbon steel SSYD-1(equivalent to AISI 1526 ).It is suitable for sour medium environment . Grade D sucker rod is made of fine NI-MO alloy steel 30CrMoA(AISI4130).It is suitable for the deeper oil well in the non-corrosion or light-corrosion medium. Grader K sucker rod is made of fine Ni-Mo alloy steel 20Ni2MoA(AISI4620). TECHNICAL PARAMETERS
SIZE
(in)
ROD D
(in)
THREARD D
(in)
LENGTH
(ft)
OUTSIDE DIAMETER
OF PIN SHOULDER
(mm)
LENGTH
OF PIN
(mm)
LENGTH OF WRENCH SQUARE
(mm)
WIDTH OF WRENCH
SQUARE
(mm)
5/8
5/8
15/16
2
4
6
8
10
12
14
25
30
31.8
31.75
≧31.8
22.20
3/4
3/4
1-1/16
38.10
36.50
25.40
7/8
7/8
1-3/16
41.30
41.28
1
1
1-3/8
50.80
47.63
≧38.1
33.30
1-1/8
1-1/8
1-9/16
57.20
53.98
≧41.3
38.10
MECHANICAL PROPERTIES
GRADE
YIELD STRENGTH REL
(Mpa)
TENSILE
STRENGTH
Rm(Mpa)
PERCENTAGE
ELONGATION
A(%)
CONTRACTION PERCENTAGE
OF AREA
Z(%)
IMPACT
TOUGHNESS ακ(J/cm2)
C
≧414
620-793
≧12
≧55
≧70
D
≧620
794-965
≧10
≧50
≧58.8
K
≧414
620-793
≧12
≧55
≧70