| 类型 | 翅片管，换热管 | 申请： | 加热器部件，制冷部件，热交换器，冷却器，流体冷却器 |
|---|---|---|---|
| 管道材料： | 不锈钢 | 鳍片高度： | 最大 40 毫米 |
| 包装 | Wooden | 颜色 | BLACK |
| 强光 | Boiler Stainless Steel Finned Tube， T12 HFW Fin Tube， Heat Exchanger Tube SA213 | ||
ASME SA213 T12 HFW FIN TUBE FOR BOILER AND HEAT EXCHANGER
ASME SA213 T12 is a specification for seamless ferritic alloy steel boiler， superheater， and heat exchanger tubes. HFW (High Frequency Welding) fin tubes are a type of finned tubes that are manufactured using high-frequency electric resistance welding. These fin tubes are used in boilers and heat exchangers to enhance heat transfer efficiency.
The combination of ASME SA213 T12 tubes and HFW fin tubes provides several benefits for boiler and heat exchanger applications. The T12 alloy steel offers excellent mechanical properties， high temperature strength， and corrosion resistance， making it suitable for high-pressure and high-temperature environments.
The HFW fin tubes have fins that are welded onto the base tube using high-frequency electric resistance welding. This welding technique ensures a strong bond between the fins and the tube， resulting in improved heat transfer efficiency. The fins increase the surface area of the tube， allowing for better heat exchange between the fluid inside the tube and the surrounding environment.
Overall， the use of ASME SA213 T12 HFW fin tubes in boilers and heat exchangers helps improve the overall performance and efficiency of these systems， leading to cost savings and better energy utilization.
化学成分
| 化学成分（%） | |||||||
| 等级 | C | 锰 | P | S | Si | Cr | 莫 |
| T11 | 0.05-0.15 | 0.30-0.60 | ≤0.025 | ≤0.035 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
| T12 | 0.05-0.15 | 0.30-0.61 | ≤0.025 | ≤0.035 | 0.5 | 0.80-1.25 | 0.44-0.65 |
| T22 | 0.05-0.15 | 0.30-0.60 | ≤0.025 | ≤0.035 | 0.5 | 1.90-2.60 | 0.87-1.13 |
Heat Treatment Requirements:
| 等级 | UNS 编号 | 热处理类型 | 亚临界退火或回火温度，最小值或范围 °C [°C]。 |
| T11 | K11597 | 完全退火或等温退火 正火和回火 | 1200 [650] |
| T12 | K11562 | full or isothermal anneal normalize and temper subcritical anneal | 1200 至 1350[650 至 730］ |
| T22 | K21590 | 完全退火或等温退火 正火和回火 | 1250 [675] |
Tensile Requirements and Hardness
| 机械性能 | ||||
| 等级 | 拉伸 | 产量 | 伸长率 | 硬度 |
| 强度（兆帕） | 强度（兆帕） | (%) | (HRB) | |
| T11 | ≥415 | ≥220 | ≥30 | ≤85 |
| T12 | ≥415 | ≥220 | ≥30 | ≤85 |
| T22 | ≥415 | ≥220 | ≥30 | ≤85 |
应用
- HVAC & Boiler
- 发电厂
- Heat Recovery Steam Generators
- 石化工业
- 海洋应用
- Refrigeration Applications
- 节能器
- 油气冷却器
- 管道与空调
- Condensers and Evaporators
- 管壳式热交换器
- Other various Heat exchanger applications
