ASTM A214 Carbon Steel Heat Exchanger

ASTM A214 Electric resistance welded carbon steel heat exchanger and condenser tubes

Professional manufacturer of Seamless Heat Exchanger Steel Tubes in China, Wholesale Carbon Steel Heat Exchanger Tubes,Superheater Steel Tubes, Heat Exchanger Tubes with low price, high quality.
Cooling tubes'Applications: for Boilers,Superheaters,Heat-Exchangers, Condensers,not only for U-tube heat exchanger and Straight-tube heat exchanger 

ERW carbon steel tubes Size range: O.D.:6-76mm W.T.:0.9-19.0mm L: according to customer requirement

ASTM A214 tube Manufacture:

Tubes are made by electric-resistance welding.

Surface Condition:

The finished tubes are free of scale., sligh amount of oxidation is not considered as scale

Weld steel pipe with Heat treatment as below:

After welding, all tubes are heat treated at a temperature of 1200℉(650℃) or higher and following by cooling in air or in a cooling chamber of a controlled atmosphere furnace.

Cold drawn tubes shall be heat treated after the final cold-draw pass at a pemerature of 1200℉(650℃) or higher

Test and Inspection:

Hardness Requirement

Mechanical Test

- Flattening Test

- Flange Test

- Reverse Test

- Hydrostatic or Nondestructive Electric Test

Steel Grade and Chemical Compositions:

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