Name

Size   

Grade  

Mechanical properties

Length

(m)       

σb                 

(MPa)

σs               

(MPa)

δ

(%)      

ψ

(%)     

Steel sucker rod and pony rod

φ16

φ19

φ22

φ25

φ29

φ32

φ38

K

620793

414

13

50

7.62

8.00

9.14

10.00

C

620793

414

13

50

D

793965

586

13

50