Low Fin Tube, ASME SA179 Seamless Base Tube, Cost-Effective for Feedwater Heaters
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, CCS, ISO 9001-2008
Model Number:Low Fin Tube, Low Finned Tube
Minimum Order Quantity:500kgs
Delivery Time:Depending on QTY
Payment Terms:T/T, L/C AT SIGHT
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Location:
Ningbo Zhejiang China
Address:
20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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Low Fin Tube, ASME SA179 Seamless Base Tube, Cost-Effective for Feedwater Heaters
ASTM A179,ASME SA179 cold-drawn seamless steel tube Chemical Composition
| Material | Chemical Composition(%) | ||||
| C | Si | Mn | P | S | |
| ASTM A179 | 0.06-0.18 | ≤ 0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 |
ASTM A179,ASME SA179 cold-drawn seamless steel tube Mechanical
Propertie
| Grade | ASTM A179 |
| Tensile Strength(MPa) | ≥325 |
| Yield Strength(MPa) | ≥180 |
| Elongation,% | ≥35 |
| Hardness, HRB | ≤72 |
ASTM A179,ASME SA179 Tube Wall Thickness Tolerance
Outside Diameter | Wall thickness Tolerance % | |
Over (+) | Under (-) | |
1 ½ (38.1) | 20 | 0 |
Over 1½ (38.1) | 22 | 0 |
ASTM A179,ASME SA179 Tube Outside Diameter Tolerance
Outside Diameter | Permissible Variations In. (mm) | |
Over (+) | Under (-) | |
Under 1 (25.4) | 0.004 (0.1) | 0.004 (0.1) |
1 to 1 ½ (25.4 to 38.1), Incl | 0.006 (0.15) | 0.006 (0.15) |
Over 11⁄2 to 2 [38.1 to 50.8], Excl | 0.008 (0.2) | 0.008 (0.2) |
2 to 21⁄2 [50.8 to 63.5], Excl | 0.010 (0.25) | 0.010 (0.25) |
21⁄2 to 3 [63.5 to 76.2], Excl | 0.012 (0.3) | 0.012 (0.3) |
ASTM A179,ASME SA179 Length Tolerance
Outside Diameter | Cut Length, in.(mm) | |
In.(mm) | Over (+) | Under (-) |
All Sizes | 3⁄16 [5] | 0 [0] |
Under 2 [50.8] | 1⁄8 [3] | 0 [0] |
2 [50.8] and over | 3⁄16 [5] | 0 [0] |
Under 2 [50.8] | 1⁄8 [3] | 0 [0] |
2 [50.8] and over | 3⁄16 [5] | 0 [0] |
These permissible variations in length apply to tubes before bending. They apply to cut lengths up to and including 24 ft [7.3 m]. For lengths greater than 24 ft [7.3 m], the above over-tolerances shall be increased by 1⁄8 in. [3 mm] for each 10 ft [3 m] or fraction thereof over 24 ft or 1⁄2 in. [13 mm], whichever is the lesser. | ||
Feel free to provide the following details for the finned tube offer:
- Base tube material:
- Base tube size (OD x WT x Length):
- Fin material:
- Fin type:
- Fin diameter or height:
- Fin thickness:
- Fins per inch, meter, or fin pitch:
- Length of plain, unfinned ends:
- Finned Tube Quantity:
- Any additional fabrication requirements (e.g., bending, welding into tubeplate, assembly):
Low Fin Tube, ASME SA179 Seamless Base Tube, Cost-Effective for Feedwater Heaters
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