Material Data Sheet

(content of Material Data Sheet page)


open all
Main Features
  • Fine-grained microstructure by Thermo-Mechanical Process, which contribute to superior steam oxidation resistance to conventional coarse grained TP347H.
  • Weldability is equivalent to TP347H and matching welding consumable is available.
  • Good phase stability proven by long term creep-rupture tests and actual uses.
  • Global shipments of more than 7 thousand tons, for USC and biomass boilers.

  • Vd TUV Material data sheet 547 Supplement 12.2009
  • UNS No. S34710
  • ASTM A213/A213M
  • ASME SA213/SA213M TP347HFG

Chemical Composition



Mechanical Properties

Table  Tensile property requirement at room temperature.


Physical Properties

Table  Coefficient of thermal expansion  [x10-6 /deg. C].

Table  Thermal conductivity  [W/mdeg. C].

Table  Modules of elasticity  [GPa].


Creep Rupture Properties

Fig.  Creep rupture test results of base metal.


Table  Creep strength of Vd TUV547  [MPa].


Strength Value

Fig.  ASME maximum allowable stress value.


Corrosion Resistance

                                           Fig.  Steam oxidation test results.                                           Fig.  Hot corrosion test results.



Table  Nominal composition of matching welding consumable for SUPER304H  [mass%].

Table  Tensile test result of weldment.

Fig.  Creep rupture test results of welded joint.

Weld joint of TP347HFG tube, using matching welding consumable developed for SUPER304H, has enough mechanical properties, including creep rupture strength.