Seamless tubes for heat exchangers and condensers

Application 

For the Heat-Transfer Equipment, such as tubular heat

exchanger, condenser and superheater.

Production Standard , Steel No.

ASTM A179

GB6479 10，20,16Mn ,15MnV ,12CrMo,15CrMo12Cr2Mo，

12SiMoVNb

Delivery Condition 

Heat treatment 

Annealed , Normalized , Normalized and Tempered

Inspections and tests performed 

Chemical Composition Inspection , Mechanical

Properties Test  Tensile Strength , Yield Strength，

Elongation  Flaring , Flattening . Hardness , Impact

Test Surface and Dimension Test , Non-destructive

Test , Hydrostatic Test.

Surface treatment 

Oil-dip , varnish ,Passivation , Phosphating

Size Range 

O.D 17-2-76.2mm

W.T 1.6-10mm