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Seamless Proprietary Steel Grades Manufactured by Tenaris

SMYS [KSI]
45
55
60
70
75
80
90
95
100
110
125
135
140
150
Sour
Service





TN 80S
TN 80SS
TN 90S
TN 90SS
TN 95S
TN 95SS
TN 100SS

TN 110SS

TN 125SS




High Collapse




TN 80HC

TN 95HC

TN 110HC
TN 125HC

TN 140HC

Improved
Collapse









P110-IC
P110-ICY
Q125-IC
Q125-ICY



High Collapse
& Sour Service





TN80HS

TN 95HS
TN 100HS
TN 110HS




Deep Well











TN 135DW
TN 140DW
TN 150DW
Critical Service

TN 55CS

TN 70CS
TN 75CS
TN 80Cr3

TN 95Cr3

TN 110Cr3




Low Temperature

TN 55LT



TN 80LT

TN 95LT

TN 110LT
TN 125LT



High Ductility
TN 45HD

TN 60HD
TN 70HD










Thermal Service

TN 55TH



TN 80TH