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

Technical Specifications 
ASME SA210, ASME SA213, GB/T20409-2006
Steel Grade 
20G, 20Mn, 25MnG, 12CrMoG, 15CrMoG

Finish conditions:

Cold Drawn, Normalized, Normalized and Tempered

Inspections and Tests

Chemical Composition, Mechanical Properties, Technique Properties, Dimension and Surface Inspection, UT Test