DIN 17175 Longitudinal Finned Tube 19-60mm OD with 2-36 Fins per Row for Industrial Heat Exchangers
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Delivery Time:
Ex-work within 7 weeks on receipt of order.
Brand:
DELLOK
Product Description
DIN 17175 Longitudinal Finned Tube Overview
High-frequency welded longitudinal finned tubes manufactured to DIN 17175 standards, designed for superior heat transfer efficiency in industrial applications.
Chemical Composition Specifications
| Standard | Grade | C | Si | Mn | P,S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| DIN 17175 | St35.8 | ≤0.17 | 0.10-0.35 | 0.40-0.80 | ≤0.030 | / | / |
| St45.8 | ≤0.21 | 0.10-0.35 | 0.40-1.20 | ≤0.030 | / | / | |
| 15Mo3 | 0.12-0.20 | 0.10-0.35 | 0.40-0.80 | ≤0.030 | / | 0.25-0.35 | |
| 13CrMo44 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | ≤0.030 | 0.70-1.10 | 0.45-0.65 | |
| 10CrMo910 | 0.08-0.15 | ≤0.50 | 0.40-0.70 | ≤0.030 | 2.00-2.50 | 0.90-1.20 |
Technical Specifications
Tube Dimensions
- Tube Outer Diameter: 19mm minimum
- Tube Length: 18 meters maximum
- Bare Tube Size Range: OD 19.05mm to OD 60mm
Fin Configuration
- Fin Number Options: 2, 4, 8, 16, 18, 32, 36 pieces per row
- Number of Fins: 16, 20, 24, 32, 40
Production Capacity
- Welding Facility: 1 finning machine
- Daily Production Capacity: Up to 500 meters
Manufacturing Process
Longitudinal I/L or U shape fins are welded onto core plain tubes using resistance welding or welding with filler metal (spot welded). Fin channels are welded to tubes in opposite pairs with customizable fin height, number of fins, and fin thickness specifications.
Available Fin Types
- One-piece shape
- Standard U bent shape
- Cut & twist
- Perforated type
- U bends tubes with longitudinal fins
- Fintube coils
Material Options
Tube Materials
- Carbon Steel: A106, A179, A192, A210
- Stainless Steel: TP304, TP304L, TP316, TP316L
- Alloy Steel: T11, T22
Fin Materials
- Carbon Steel
- Stainless Steel: TP304, TP304L, TP316, TP316L, TP409, TP410
Industrial Applications
- Chemical, petrochemical, oil, and power industry
- Heat exchangers
- Fired heaters
- Gas coolers and heaters
- Tank heaters
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Company
Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.
Location
No.18 Tianyue Road,Yanzhou,Jiangsu China
Contact Person
Brian Wanqian