25.4 mm boiler and heat exchanger tubes

Round steel tubes Heat Exchanger Tubes ASTM A179 ASME SA179

Applications:

for Boilers,Superheaters,

Heat-Exchangers,

High-pressure Boilers,

Steam Boilers

Cold Condensers and High-Pressure Services,

High-Temperature Services for Boiler Constructions

Round steel tubes heat exchanger tubes ASTM A179 ASME SA179

Material: Low Carbon Steel

Production: Seamless Cold Drawn 
Size range: O.D.:3.2-76.2mm W.T.:1-15mm L: according to customer requirement.

Steel Grade and Chemical Compositions:

Mechanical Properties

Tensile Streghth: min ksi[Mpa] 47[325] 
Yield Point: min ksi[Mpa] 26[180] 
Elongation: ≥35% 
Hardness: ≤72HRB

Heat Treatment:

Tubes are heat treated after the final cold draw pass at a temperature of 1200℉(650℃) or higher

Surface Finish:

Finish Tubes are free of scale.

We have normal heat treatment annealing with black surface.

Have bright annealing with grey and bright surface.

Mechanical Testing:

Flattening Test

Flaring Test

Flange Test

Hardness Test