ASTM A213 Grade T5/ T9/T11/T22/T9 Alloy Steel Seamless Tubes for Heat Exchanger Fluid Boiler Drill Hydraulic
1.Applications: for Boilers,Superheaters,Heat-Exchangers
Size range: O.D.:6-168mm W.T.:1-15mm L: according to customer requirement
2.Manufacture:
Seamless process by Hot-Finish or Cold-Finish.
3.Boiler tubes Heater Tube in alloy steel .T5 ,T9 ,T11, T12, T21 ,T22.
Refer to below data,
4.Mechanical Properties and Inspection:
Tensile Requirement
Hardness Requirement
Flattening Test
Flaring Test
Hydrostatic or Nondestructive Electric Test ( Eddy Current Test and Ultrasonic Test)
5.Surface Condition:
Ferritic Alloy cold-finished steel tubes are free of scale and suitable for inspection
Ferritic alloy hot-finished steel tubes are freee of loose scale and suitbale for inspection.