A Q355B structural steel support system for power plant boilers, turbines and auxiliary equipment, designed for high-temperature, fatigue-loaded and heavy-duty service.
Q355B structural steel main frame, designed for high-temperature service zones
Heavy load capacity for boiler, turbine, HRSG and auxiliary equipment
Thermal expansion compensation to prevent stress concentration
Fatigue-resistant design for cyclic temperature and pressure loading
Full platforms, walkways, stair towers and pipe supports
High-rate welding with UT/MT/RT NDT inspection
Modular prefabrication to shorten on-site construction cycle
Designed to GB 50017 / GB 50229, EN 1993 and ASME/IEC requirements
Corrosion protection: Sa2.5 + epoxy coating for plant environments
Designed and detailed for client's process loads and equipment layout
Techinical Specifications
|
Parameter |
Value |
|
Design Loads |
Dead/live per process loads; seismic GB 50011 / EN 1998; wind up to 35 m/s |
|
High-Temperature Design |
Thermal expansion compensation ±150 mm; heat-resistant steel / fireproofing at hot zones |
|
Fatigue Design |
Cyclic temperature & pressure loading |
|
Welding & NDT |
GB 50661 / AWS D1.1 / EN 1090-2; UT/MT/RT |
|
Design Standards |
GB 50017 / GB 50229, EN 1993, ASME/IEC |
|
Corrosion & Fire Protection |
Sa2.5 + epoxy ≥125 μm; HDG optional; fireproof coating |
Advantages
Coal-fired and gas-fired power plants
Combined-cycle and HRSG power stations
Boiler support structures and boiler islands •
Turbine and generator support frames
Biomass and waste-to-energy plants
Cogeneration and district heating facilities
Industrial boiler and kiln support structures
Cement plant and metallurgy process structures
Petrochemical and refinery equipment structures
Desalination and energy plant steel structures

