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Boiler & BOP Tubes

Coal Fired Power Plant

Oil Fired Power Plant

CFB Boiler

IGCC ( Integrated Gasification Combined Cycle )

CCPP ( Combined Cycle Power Plant ) / HRSG ( Heat Recovery Steam Generator )

Carbon & Alloy Seamless tubes and pipes

Product range, mill by mill

Product material

Manufacturing program for inside-diameter-controlled pipe

Carbon & Alloy Seamless rifled tubes



Product range

Manufacturing process

Ribbing process

Ribs are obtained through cold drawing process on a grooved plug from hollows supplied by SMP mills. After drawing and ribbing pass, tubes are heat treated to get specified metallurgical requirements. Before final cutting, tubes are 100% checked by Eddy Current and/or Ultrasonic test, depending on customer’s requirements.

Product material

Product material
Steel Standard Grade
Carbon ASTM A 106 Grade A, B
ASTM A 210 Grade A1, C
EN 10216-2 P235GH, P265 GH
Alloy ASTM A 209 T1, T1A
ASTM A 213 T2, T11, T12, T22, T23
EN 10216-2 16Mo3, 13CrMo4-5, 10CrMo9-10
※ Other grades and standards may be available upon request.

Stainless Seamless tubes

Size Ranges of the Mills

Seamless Stainless Tubes

Tolerances to ASTM/ASME A 1016

Grades and Equivalencles

Product material
Equivalent grades according to international standards
ASTM/ASME
A/SA213
EN 1016-5    EN 10297-2 UNS Code
Case
VdTUV
TP304H X6CrNi18-10 1.4948 S30409
TP310H X8Cr-Ni25-21 1.4845 S31009
TP321H X8CrNiTi18-10 1.4541
1.4878
1.4940
S32109
TP347/347H X6CrNiNb18-10 1.4550
1.4912
S34700
S34709
TP316H X6CrNiMoB17-12-2 1.4919 S31609
TX304HB* X10CrNiCuNb18-9-3 1.4907 S30432 2328 550
TUBACEX
347HFG*
X8CrNi19-11 1.4908 S34710 547
TP310HCbN** X6CrNiNbN25-20 1.4952 S31042 2115 546
*TUBACEX steel name. **Under development.
  Cusom materials available upon request.

Mechanical properties and temperatures

Product material
Mechanical properties by steel grade
ASTM/ASME
A/SA213
Working
temperature
(℃[℉]))
Yield
strength
(min. MPa)
Tensile
strength
(min. MPa)
Elongation
(min. %)
Hardness
(max. Rockwell))
TP304H 590[1095] 205 515 35 90HRB
TP310H 590[1095] 205 515 35 90HRB
TP321H 600[1110] 205 515 35 90HRB
TP347/347H 610[1130] 205 515 35 90HRB
TP316H 610[1130] 205 515 35 90HRB
TX304HB* 650[1200] 235 590 35 90HRB
TUBACEX
347HFG*
650[1200] 205 550 35 90HRB
TP310HCbN** 670[1240] 0
*TUBACEX steel name. **Under development.

Carbon & Alloy tubes and pipes for Elbows, Tees, Reducers and caps.

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