MachineU > China Products > Packaging & Printing > Metal Packaging > Gas Cylinders
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
Specifications
Brand Name :
YUHONG
Model Number :
ASTM A335 P22
Certification :
ISO 9001/TUV/PED
Place of Origin :
China
MOQ :
500 KGS
Price :
Negotiable
Payment Terms :
T/T, L/C at sight
Supply Ability :
1000 TONS / month
Delivery Time :
Depends on order quantity
Packaging Details :
Steel frame wooden case with plastic cap
Standard :
ASTM A335
Material Grade :
P22
Form :
Rows Bend Tubes
Diameter :
12.7 ~ 127 mm (1/2 ~ 5 in)
Wall Thickness :
0.9 ~ 12.7 mm (0.035 ~ 0.500 in)
Applications :
Boilers, heat exchangers, superheaters, HRSG
Description
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tube is a high-temperature, pressure-bearing seamless steel tube made of P22 chromium-molybdenum alloy steel and formed into a tube bundle shape using a specific bending and forming process.
It typically refers to a tube bundle composed of multiple P22 steel tubes arranged in a serpentine bend (such as a U-bend) to meet the large-area heat exchange requirements of equipment such as boilers and heat exchangers.
Advantages include improved space utilization, reduced welds, and increased heat exchange efficiency.
Row Bends Tube vs. Uend Tube
Rows Bend Tube U-Tube
Enables very dense tube arrangement, high heat transfer area density – ideal for large industrial boiler superheaters, reheaters, and similar applications requiring large surface areas. Limited by the 180° return bend radius; space in the center of the tube bundle is wasted, resulting in reduced heat transfer area.
Serpentine (multi-bend) design distributes thermal stress across multiple bends, offering more uniform stress distribution – suitable for frequent start-stop cycles. Each U-bend expands/contracts independently, effectively eliminating thermal stress – ideal for applications with large temperature differences.
More complex process; requires specialized equipment for continuous bending, but reduces the number of connections – cost-effective for large-scale, standardized production. Simpler single-tube bending process; high equipment versatility – suitable for small-batch or custom production.
Open structure with regular tube gaps allows easy physical cleaning (e.g., high-pressure water jetting) – good maintainability. Internal tube surfaces are difficult to clean mechanically; typically requires chemical cleaning. Replacement of inner tubes is difficult; leaking tubes often must be plugged.
Large power station boiler superheaters/reheaters, tubular heaters in large industrial furnaces. Heat exchangers in chemical and refinery plants, especially where large temperature differences or high pressures exist between shell and tube sides.

Chemical Composition (Ladle Analysis)
Element Composition (wt%)
Carbon (C) 0.05 – 0.15
Manganese (Mn) 0.30 – 0.60
Phosphorus (P) ≤ 0.025
Sulfur (S) ≤ 0.025
Silicon (Si) ≤ 0.50
Chromium (Cr) 1.90 – 2.60
Molybdenum (Mo)

0.87 – 1.13

Mechanical Properties (as normalized and tempered)
Property Value (min.)
Tensile Strength ≥ 415 MPa (60 ksi)
Yield Strength (0.2% offset) ≥ 205 MPa (30 ksi)
Elongation (longitudinal) ≥ 30%
Elongation (transverse) ≥ 20%
Hardness (Brinell) ≤ 163 HBW

Application:

  • Power plant boiler superheater/reheater serpentine tube bank
  • Main steam piping
  • Boiler headers and connecting pipes
  • Economizer tube bank

ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers

Send your message to this supplier
Send Now

ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers

Ask Latest Price
Product Detail
Brand Name :
YUHONG
Model Number :
ASTM A335 P22
Certification :
ISO 9001/TUV/PED
Place of Origin :
China
MOQ :
500 KGS
Price :
Negotiable
Contact Supplier
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers
ASTM A335 P22 Rows Bend Tubes Hight Emperature Reheaters And Superheaters In Power Plants,Boilers

YUHONG HOLDING GROUP CO., LTD

Verified Supplier
2 Years
ningbo
Since 1990
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Main Products :
TEMA Heat Exchanger, Air Cooled Heat Exchanger, Fired Heater
Total Annual :
50M-75M
Employee Number :
50~850
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Boiler Tube
MachineU China Products Packaging & Printing Metal Packaging Gas Cylinders
Contact Supplier
Submit Requirement