Services
FPCC OL-3 H-101~H-118 Ethylene Cracking Furnace Project
Ethylene Capacity 1.2 mio. -t/a., startup on May,
2007. Quantity of Work：Concrete 11,260KL,
Steel structure 5,438MT, Piping 301,171DB,
Equipment 1,558MT, Electric wiring 132Km,
Refractory 24,924m2.
2007. Quantity of Work：Concrete 11,260KL,
Steel structure 5,438MT, Piping 301,171DB,
Equipment 1,558MT, Electric wiring 132Km,
Refractory 24,924m2.
Convection tube for Incoloy, Alloy, S/S weld bead
for 100% chemical composition analysis (PMI),
to ensure the quality of the weld bead.
for 100% chemical composition analysis (PMI),
to ensure the quality of the weld bead.
Pre-heating and after-heating is performed
when alloy steel tubes are welded.
Pre-heating：
150℃ For SA335-P11
200℃ For SA335-P22
250℃ For SA335-P5、P91
After-heating：
350℃*1Hr
when alloy steel tubes are welded.
Pre-heating：
150℃ For SA335-P11
200℃ For SA335-P22
250℃ For SA335-P5、P91
After-heating：
350℃*1Hr
Hardness test after alloy steel pipe PWHT
SA335-P91：HB275
SA335-P5、P22：HB241
SA335-P11：< HB225
SA335-P91：HB275
SA335-P5、P22：HB241
SA335-P11：< HB225
Radiation Section Completed
Transition Zone Completed
