YUHONG HOLDING GROUP CO., LTD
YUHONG HOLDING GROUP CO., LTD
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| Attribute | Value |
|---|---|
| Material Grade | TP347 |
| Standard | ASME SA312, ASTM A312 |
| Material | Carbon steel, Alloy steel and Stainless steel |
| Type of base pipe | Seamless steel pipe |
| Type of fins | Single H / Double H Type |
| Application | Widely used for boiler, heat exchanger, condenser, refrigerator, economizer and other parts of heat industry. |
The ASME SA312 TP347 Seamless Steel Square Fin Tube is manufactured from austenitic stainless steel containing columbium (niobium) and tantalum, providing enhanced resistance to intergranular corrosion after exposure to temperatures between 800-1500°F (427-816°C). This alloy is renowned for its exceptional high temperature strength and oxidation resistance.
These fin tubes deliver outstanding performance in demanding environments including chemical processing, petrochemical, power generation, aerospace, oil and gas, and food and beverage industries. Their reliability in high-temperature and corrosive applications ensures long-term operational efficiency.
| Grade | Cr | Ni | Cb+Ta | Mn | Si | C | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|
| TP316 | 17.0-19.0% | 9.0-13.0% | 10*C to 1.00% | ≤ 2.0% | ≤ 0.75% | ≤ 0.08% | ≤ 0.045% | ≤ 0.03% | Balance |
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
|---|---|---|---|---|
| TP316 | Minimum 515 MPa (75,000 psi) | Minimum 205 MPa (30,000 psi) | 35% minimum in 50 mm | ≤ 95 HRB (Rockwell Hardness B) |
Chemical Processing Industry: Heat exchangers, reactors, vessels, and piping systems handling corrosive chemicals at high temperatures.
Petrochemical Industry: Refinery equipment, cracking units, and furnace tubing exposed to aggressive substances and extreme temperatures.
Power Generation: Heat exchangers, steam generators, and boiler tubing requiring materials with exceptional high-temperature performance.
