Active Member
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[China]
Address: Daqiao Developing Zone Haiyan,Zhejiang Province,China
Contact name:Richard
Torich International Limited |
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ASTM A213 Seamless Alloy Boiler Heat Exchanger Tube T5 T5b T9 T91 T22
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 of Alloy Boiler Heat Exchanger Tube T5 T5b T9 T91 T22:
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.
T5:
| Chemical compostion max % | ||||||
| C | Si | Mn | P | S | Cr | Mo |
| 0.15 | 0.50 | 0.30-0.60 | 0.025 | 0.025 | 4.0-6.0 | 0.45-0.65 |
| Chemical compostion max % | ||||||
| C | Si | Mn | P | S | Cr | Mo |
| 0.15 | 0.25-1.0 | 0.30-0.60 | 0.025 | 0.025 | 8.0-10.0 | 0.90-1.10 |
