 |
| 원래 장소: | 중국 |
| 브랜드 이름: | YUHONG |
| 인증: | DNV, BV, PED, LR, ABS, TS, CCS |
| 최소 주문 수량: | 200-500kg |
|---|---|
| 가격: | 협상 가능 |
| 포장 세부 사항: | 강철 프레임이있는 Ply-Wooden 케이스 (파이프의 양쪽 끝에는 플라스틱 캡이 있습니다) |
| 배달 시간: | 45-75 일 (고객의 요구 사항에 따라 다릅니다 |
| 지불 조건: | L/C, T/T, 시야 |
| 공급 능력: | 고객의 요구 사항에 따라 |
| 튜브 사양 :: | ASME SA312, ASTM A312 | 튜브 재료 :: | TP321H |
|---|---|---|---|
| 핀 유형: | HFW 핀 튜브/솔리드 핀 튜브 | 핀 재료 등급: | 탄소강 |
| 가장 밝은 부분: | ASTM A312 TP321H 핀 튜브, HFW 솔리드 핀 튜브, 열교환 기 핀 튜브 | 모양: | 둥근 |
| 애플리케이션: | 발전소, 공기 예열기, 보일러 | ||
| 강조하다: | ASME SA312 TP321H fin tube,high frequency welded heat exchanger tube,stainless steel seamless finned pipe |
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ASME SA312 TP321H High-Frequency Welded (HFW) Fin Tube
The ASME SA312 TP321H High-Frequency Welded (HFW) Fin Tube is a high-performance heat transfer component engineered for extreme industrial environments. It combines the superior high-temperature strength and corrosion resistance of ASME SA312 TP321H stainless steel with the exceptional thermal efficiency of integrally welded fins. This makes it a critical solution in demanding applications across power generation, petrochemical, and process heating industries.
321H is a high-carbon austenitic stainless steel grade: the "H" denotes high carbon content (0.04–0.10%), which enhances high-temperature strength.Key Alloying Element: Titanium (Ti). This is the crucial stabilizer that prevents chromium carbide precipitation during exposure to high temperatures (450-900°C / 842-1652°F), which causes sensitization and intergranular corrosion.
Chemical Composition(%)
| TP321H Chemical Composition(%) | ||||||
| Element | C | Si | Cr | Mn | Ni | Ti |
| Range | 0.04-0.10 | ≤0.75 | 17.00-19.00 | ≤2.00 | 9.00-123.00 | 4*C-0.7 |
Mechanical Properties
| ASME SA312 TP321H Mechanical Properties | |||
| Tensile Strength | Yield Strength | Hardness | Elongation |
| 515MPa | ≥205MPa | ≤ 192HB | ≥35% |
Equivalent Material of TP321H
| ASTM/AISI | UNS NO | EN | ISO | JIS | GOST |
| TP321H | UNS32109 | 1.4874 | X7CrNiTi18-10 | SUS 321H | 08Ch18N12T |
Advantages of HFW Fin Tubes:
1.Stronger Bond: Metallurgical fusion provides superior resistance to vibration, thermal cycling, and fin peeling.
2.Higher Efficiency: Eliminates air gaps and flux residues, boosting heat transfer by 5–15% over rolled or brazed tubes.
3.Material Flexibility: Welds dissimilar metals (e.g., stainless to carbon steel) without needing ductility or specific alloys.
4.Greater Durability: Withstands high temperatures (800–850°C) and pressure without braze softening or stress cracking.
5.Lower Lifetime Cost: High-speed production and a 2–3x longer service life reduce total cost of ownership.
Applications Of ASME SA312 TP321H High-Frequency Welded (HFW) Fin Tube
1.Power Generation: Boiler superheaters, reheaters, economizers, and air preheaters in coal-fired and combined-cycle plants.
2.Petrochemical & Refining: Heat exchangers in catalytic reforming, hydrocracking, and ethylene pyrolysis furnaces; charge gas coolers.
3.Industrial Furnaces: Convection sections, radiant tubes, and waste heat recovery units in chemical, steel, and glass manufacturing.
4.Waste Heat Recovery Systems: Capturing and repurposing energy from high-temperature exhaust streams.
담당자: Mr. Jikin Cai
전화 번호: +86-13819835483
팩스: 0086-574-88017980
