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[China]
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Address: 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
Contact name:Jikin Cai
Yuhong Group Co.,Ltd |
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ASME SA210 Grade A1 Carbon Steel tube with Aluminum Embedded G type Finned tube for heat exchanger
Yuhong supply customised finned tubes to meet specific requirements. We are manufacturer, own complete line of finned tubes includes Extruded Fin Tubes, Spiral Welded Fin Tubes, Embedded Fin Tubes (G-Fin Tubes), L Fin Tubes, LL Fin Tubes, KL Fin Tubes (Knurled Fin Tubes), Square Fin Tubes (H Fin Tubes), Square Fin Tubes (H Fin Tubes), and Square Fin Tubes (H Fin Tubes). Tubes, Square Fin Tubes (H-Fin Tubes), Rectangular Fin Tubes (Double H-Fin Tubes), Longitudinal Fins High-frequency welded serrated finned tubes and high-frequency welded solid finned tubes.
ASTM A192 / A192M: Seamless Carbon Steel Boiler Tubes for High Pressure Applications
ASTM A210 / A210M: Seamless Boiler and Superheater Tubes of Medium Carbon Steel
Steel grade: Grade A1; Grade C
Delivery condition: annealed, normalised, normalised and tempered
Specifications:
Grooved G type Finned Tubes are combined with two different materials.
| Items | General Materials | Popular ASTM Materials |
| Core Tube Material | Carbon steel, low-alloy steel, stainless steel, brass, copper, cooper-nickel alloys, aluminum bronze, nickel alloys.
| 1. Carbon Steel: A179, A192,SA210 Gr A1/C,A106 Gr B 2. Stainless Steel: TP304/304L,TP316/TP316L/316Ti, A789 S31803/S2205 etc... 3. Copper:UNS12200/UNS14200/UNS70600, CuNi70/30,CuNi 90/10 |
| Fins Material | 1. Aluminum Alloy 2. Copper. | 1. Aluminum(Alu.1100,Alu.1060) 2. Copper. |
| All dimensions are in Inches and specification upon your requests. | |||
| Tube OD | Fin Height | Fin Thickness | Fins per Pitch(Density) |
| 5/8 | 3/8,1/2 | .015/.016/ .020 | 6, 7, 8, 9, 10, 11 |
| 3/4 | 5/8,1/2 | .015/.016/ .020 | 6, 7, 8, 9, 10, 11 |
| 1 | 5/8,1/2 | .015/.016/ .020 | 6, 7, 8, 9, 10, 11 |
| 1 1/4 | 5/8,1/2 | .015/.016/ .020 | 6, 7, 8, 9, 10, 11 |
| 1 1/2 | 5/8,1/2 | .015/.016/ .020 | 6, 7, 8, 9, 10, 11 |
| Please email us for more information. | |||
Quick Details:
Tube OD: min 16mm, max 219.1mm (8'').
Tube length: max. 25000 mm
Fin Height: Maximum 50 mm
Fin thickness: generally 0.2mm ~3.0mm
Fin Pitch: Minimum 2.3mm (11 FPI) or as per customer's requirement
Manufacturing Process:
Aluminium finned strips are tension wound and placed into grooves cut in the tube to a depth of approximately 0.4mm.
Flat end surface protection:
The ends of the grooved G-fin tubes shall be galvanised or aluminised by means of an arc spray system.
Acceptance Criteria:
API Standard 661 (for air-cooled heat exchangers in general refineries) or Delivery Conditions (TDC).
Accessories:
Tube support boxes, clamps or spacer boxes (materials: aluminium, zinc and stainless steel).
Delivery conditions:
G-Fin embedded finned tubes are supplied with square-cut, burr-free tube ends, internally dry and purged, and varnished at both ends.
Desiccant is also placed in each package for transport on the continent.
Common areas of application:
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