* Application Field: The tubes are served in super/ultra super critical water wall panels over 300, 000KW of boiler, chemical, electricity industries.

* Technical Specifications: ASME SA210, ASME SA213, GB/T20409-2006

* Steel Grade: 20G, 20Mn, 25MnG, 12CrMoG, 15CrMoG

* Delivery Conditions: Cold Drawn, Normalized and Tempered

* Inspections & Tests: Chemical Composition, Mechanical Properties,

* Dimension and Surface Inspection, UT Test