ASME SA213 TP347H Stainless Steel Seamless Tube for Superheater and Air Heater Application
ASME SA213 is a standard for seamless ferritic and austenitic alloy steel tubes for boilers, superheaters, and heat exchangers developed by the American Society of Mechanical Engineers (ASME). ASME SA213 TP347H stainless steel seamless heat exhcanger tube is a high-performance austenitic stainless steel seamless tube widely used in industrial fields under high temperature and high pressure environments, such as power plant boilers, petrochemicals, nuclear energy industries, etc.
TP347H stainless steel materials can operate stably for a long time in a high temperature environment of 650 ℃, with an antioxidant temperature of up to 850 ℃. It has good resistance to intergranular corrosion and multi sulfuric acid intergranular stress corrosion, and is suitable for corrosive media such as acid, alkali, and salt. The tensile strength of TP347H is 530 MPa, the yield strength is not less than 205 MPa, the elongation is not less than 40%, and the hardness is about 289 HBW.
ASME SA213 Chemical Composition:
| GRA. | UNS. | ASME SA213 CHEMICAL COMPOSITION %
|
| C | MN | P | S | SI | CR | NI |
| TP347H | S34709 | 0.04-0.10 | 2.00 | 0.045 | 0.3 | 1.0 | 17.00-19.00 | 9.0-13.0 |
| TP347HFG | S34710 | 0.06-0.10 | 2.00 | 0.045 | 0.3 | 1.0 | 17.00-19.00 | 9.0-13.0 |
ASME SA213 TP347H stainless steel seamless heat exhcanger tubes are widely used in high temperature, high pressure, and corrosive environments, especially in the fields of energy, chemical engineering, aerospace, etc. Its application areas mainly include the following aspects:
- Power industry: TP347H stainless steel seamless heat exhcanger tube can be used to manufacture high-temperature and high-pressure components such as superheaters, reheaters, and water-cooled walls for supercritical and ultra supercritical boilers. TP347H stainless steel has good resistance to high temperature oxidation and steam corrosion, and can withstand high temperature environments above 600 ℃; In nuclear reactors, TP347H tubes can be used for key equipment such as steam generators and heat exchangers, meeting the strict requirements of the nuclear energy industry for material high temperature resistance, corrosion resistance, and radiation resistance.
- Petrochemical industry: TP347H stainless steel seamless heat exhcanger tubes are suitable for high-temperature reactors, cracking furnaces, heat exchangers and other equipment in refining and chemical production, and can withstand the erosion of high temperature, high pressure and corrosive media; During the catalytic cracking process, TP347H stainless steel seamless tubes can be used as high-temperature gas pipelines and reactor liners, providing excellent heat and corrosion resistance.
- Aerospace field: TP347H stainless steel seamless heat exhcanger tubes can be used to manufacture high-temperature components of aircraft engines, such as combustion chambers, turbine blades, etc., meeting the stringent requirements for material high-temperature strength and fatigue resistance in the aerospace field; In rocket engines, TP347H tubes can be used to manufacture high-temperature gas pipelines and nozzles, capable of withstanding extreme high temperatures and pressures.
- Automotive industry: TP347H stainless steel seamless heat exhcanger tubes can be used to manufacture high-performance automotive exhaust systems, especially the exhaust manifolds and turbine housings of turbocharged engines, providing excellent high temperature and corrosion resistance.
- Environmental protection equipment: In industrial waste gas treatment systems, TP347H stainless steel seamless heat exhcanger tubes can be used to manufacture high-temperature flue gas pipelines and heat recovery devices, which can withstand the erosion of high temperatures and corrosive gases.
