Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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Stainless Steel Seamless Tube ASME SA213 TP316,TP316L Heat Exchanger Tube Air Cooler Condenser Tube
YuHong Group, we are one of the leading heat exchagner tube manufacturers in China, boiler/heat exchanger tubes with high quality to our customers and we have sold these tubes in more than 80 countries up to now and have many experiences in exporting.
Heat Exchanger Tube Specification:
ASTM A213 specifies the standard specifications for seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, including TP316 grade, ensuring consistency and quality in manufacturing.
Heat Exchanger Tube Size Range:
| Production | Outside Diameter | Wall Thickness |
| Heat Exchanger Tube | 6.00mm to 101.6mm | 0.5mm to 8mm |
Heat Exchanger Tube Chemical Composition:
ASTM A213 TP316 stainless steel seamless tubes typically contain:
- Carbon: ≤0.08%
- Manganese: ≤2.00%
- Phosphorus: ≤0.045%
- Sulfur: ≤0.030%
- Silicon: ≤1.00%
- Chromium: 16.0-18.0%
- Nickel: 11.0-14.0%
- Molybdenum: 2.00-3.00%
Heat Exchanger Tube Mechanical Properties:
- Yield Strength: ≥205 MPa
- Tensile Strength: ≥515 MPa
- Elongation: ≥35%
- Hardness: ≤ 217 HBW
Final Finishing:
Solution Annealed & Pickled/Bright Annealed.
Type of Tubes:
U-bend & Straight.
Some of the quality tests carried out by us includes:
| Corrosion Test | Conducted only when specially requested by the client |
| Chemical Analysis | Test done as per required quality standards |
| Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
| Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end |
| Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s . |
| Air Under Pressure Test | To check any evidence of air leakage |
| Visual Inspection | After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |
Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:
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