Black Coated Cold Drawn Carbon Steel Heat Exchanger Tubes 6 - 760 mm Outer Dia

Product Description

Black Coated Cold Drawn Seamless Carbon Steel Pipe ASTM A179 SA179 for Heat Exchanger
 
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
 
ASTM A179 steel tubes Chemical Composition

 
ASTM A179 steel tubes Mechanical Property