An Analytical Method for Jack-Up Riser’s Fatigue Life Estimation

Table 1

Parameters of nontubular joints’ S-N curves in sea water (CCS).

Grade
B	3.37 × 10^14	4.0
C	1.41 × 10^13	3.5
D	5.07 × 10^11	3.0
E	3.47 × 10^11	3.0
F	2.10 × 10^11	3.0
F2	1.43 × 10^11	3.0
G	8.33 × 10^10	3.0
W	5.33 × 10^10	3.0