ASTM A213 Grade T5/ T9/T11/T22/T9 Alloy Steel Seamless Tubes for Heat Exchanger Fluid Boiler Drill Hydraulic
YUHONG Group offers alloy steel seamless tubes and we sell these tubes in more than 85 countries up to now. This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes. has the characteristics of good processing performance and high toughness, and is widely used in industry, furniture decoration industry and food and medical industry. At the same time, it also has high strength and excellent corrosion resistance.
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.
| Item | Material | Standard | Specification(OD*WT)mm |
| Alloy pipe | Cr5Mo. 15CrMo 13CrMo44
12Cr1MoV P22 T91,P91,P9,
T9 Wb36 | GB5310-95/GB9948-88
ASTMA335/A335M
ASTMA213/213M
DIN17175-79
JISG3467-88
JISG3458-88 | 16-824*2-100 |
| High-pressure boiler pipe | 20G,A106,
ST 45 | GB5310-95
ASTMA106-99
DIN17175-79 | 14-630*2-80 |
| Seamless pipes for petroleum | 20, 12 CrMo,
15 CrMo | GB9948-88 | 10-530*1.5-36 |
| High-pressure Seamless pipes for fertilizer making equipment | 20, 16Mn,
Q345 | GB6479-2000 | 18-530*3-40 |
| Low and mediun pressure boiled pipe | 10,20 | GB3087-1999 | 10-530*2-40 |
| Fluid pipe | 20, Q345 | GB/T8163-1999 | 8-630*1.0-40 |
| Structural pipe | 10, 20, 35, 45, 16Mn, Q345B | GB/T8162-1999 | 6-1020*1.5-100 |
| Line pipe | GrB | API | 60-630*1.5-40 |
| Hydraulic prop pipe | 27SiMn | GB/T17396-1998 | 70-377*9-40 |
