|
| ブランド名: | Yuhong |
| モデル番号: | ASTM A335 P22 |
| MOQ: | 依存する |
| 価格: | 交渉可能 |
| パッケージの詳細: | 合板ケース、鉄枠付き |
| 支払条件: | TT、LC |
ASTM A335 P22 HFW Serrated Finned Tubes With Carbon Fins For Power Plant
Chemical Composition (%)
| Grade | C | Mn | P | S | Si | Cr | Mo | Others |
| P22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50max | 1.90-2.60 | 0.87-1.13 | ... |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| P22 | 60ksi (415 MPa) | 30ksi (205 MPa) |
Features of ASTM A335 P22 Pipes
Outstanding Creep Resistance
Excellent Oxidation & Anti-Scaling Capacity
Hydrogen Attack & Sulfidation Resistance
Stable Thermal Conductivity & Low Thermal Fatigue
ASTM A335 is standard of seamless ferritic alloy-steel pipes with nominal wall and minimum wall thickness for high-temperature service. ASTM A335 P22 alloy steel pipes are essential components in high-temperature and high-pressure applications, particularly in power plants, refineries, and petrochemical industries.P22 exhibiting excellent long-term creep rupture strength at temperatures up to 565°C, it is suitable for waste heat boilers, superheaters, reheaters, and air-cooled condenser (ACC) manifolds under high-pressure superheated steam (10–16 MPa) in power plants.
Application in Power Plant
Ideal for equipment with clean flue gas / cooling air without heavy sulfur corrosion:
Combined-cycle HRSG evaporators, economizer sections, waste heat recovery coils
Air-cooled condensers (ACC) for thermal power plants (dry cooling island)
Low-temperature reheater loops, boiler flue gas heat exchangers
Steam auxiliary coolers, feedwater preheaters
In short, ASTM A335 P22 high-frequency resistance welded serrated finned tube with carbon steel fins, metallurgically bonded to enhance turbulent heat transfer, exhibiting excellent high-temperature creep resistance and steam oxidation resistance. It specifically designed for combined cycle waste heat boilers, air-cooled condensers, and waste heat recovery systems in thermal power plants, balancing high heat exchange efficiency with overall project cost.
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