Business units

Print
Bookmark
Share on
Facebook Twitter
Contact us

Seamless Business Unit

Production program

Seamless Pipes

OCTG (Casing and Tubing)

StandardGradesConnectionLength

API 5CT Tubing & Casing

H, J/K55, N80-Q, L-80, R-95, T95, P-110, Q-125

Short, Long, Buttress, External Upset (EU), Non UpsetR2 & R3

Line Pipe (onshore & offshore)

StandardGrades
PSL

API 5L

GrA  GrB X42 X46 X52 X56 X60 X65PSL1 & PSL2

ISO 3183

L210 L245 L290 L320 L360 L390 L415 L450 L485PSL1 & PSL2

API 5L Sour Service ISO3183 Annex H

BNS X42NS X52NS X60QS X65QSPSL2 

API 5L Offsore ISO3183 Annex J

BNO X42NO X52NO X60QO X65QOPSL2 

ISO3183 Annex M

L245 L290 L30 L415 L450 L485PSL2

A/SA 53 A/SA106

GrA GrB GrC 

Power Generation & HPI

Norm GradesCertification
EN10216-2

P195GH P235GH P265GH

16Mo3 34CrMo4 10CrMo5-5

13crMo4-5 10CrMo9-10

X11CrMo5

TC1 & TC2
ASME/ASTM Tube

A210 A1

A192

 
ASME/ASTM Pipe

A333 Gr6  

A106 GrB or Gr C

A335 P1,P11,P12,P22,P5

 

Structural & Mechanical (onshore & offshore)

NormGrades
Certification

EN10210-1

S235JRH S275JOH S275NH S275NLH S355J2H S355K2H S355NH S355NLH S420 

EN10225

E235 E275 E315 E355 E275K2 E355K2 34CrMo4  

EN10297-1

S355G1+N S355G14+N S355G15+N  

EN10216-3

P275NL1 P275NL2 P355NH P355NH P355NL1 P355NL2TC1 & TC2

EN10216-4

P215NL P265NLTC1 & TC2

EN10216-1

P195 P235 P265TC1 & TC2

Coating

OD mmCoating
Standard

159 - 173

Outside Polyethylene CoatingDIN 30670:1991 +2012 (N-n, N-v, S-n, S-v)
ISO21809 (A1-A3,B1-B3)
Outside Polypropylene CoatingDIN30678:1992
Ouside Cement Mortar CoatingKN420025:2003 (FZM-N +FZM-S) 

89-273

Inside Cement Lining

DIN2614-ll-N:1990

EN10298:2006 CEM l-N-l

  Size chart seamless pipes