ASTM A312 TP304H, UNS S30409 Stainless Steel Seamless Pipe For High Temperature Applications
ASTM A312 TP304H, UNS S30409 Stainless Steel Seamless Pipe For High Temperature Applications
ASTM A312 TP304H Stainless Steel Seamless Pipes have a higher carbon content than TP304L, making them more suitable for use in applications with high temperatures. It is an austenitic chromium-nickel alloy steel and the higher carbon content increases its tensile and yield strength. Stainless Steel 304H Pipes are used in high-temperature applications like the chemical and power generation industry and boilers, heat exchangers, and so on. ASTM A312 TP304H tubes are also used in the food processing industries due to their resistance to corrosion.
| Specification | ASTM A312 / ASME SA312 |
| Size | 1/2" - 48" |
| Types | Seamless - Hot Rolled / Cold Drawn |
| Length | Single Random, Double Random & Required Length |
| Schedule | SCH10 to SCH XXS |
| Form | Round, Square, Rectangular, Hot Finish, Cold Drawn |
| Ends | Plain End, Beveled End, Treaded |
Chemical Composition:
| Grade | Si | C | Mn | P | S | Cr | Ni | |
| TP304H | min. | - | - | - | - | - | 18 | 8 |
| max. | 0.75 | 0.1 | 2 | 0.045 | 0.03 | 20 | 10.5 | |
Mechanical Properties:
| Density | 8000 kg/m3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength, min. | 75000 Psi, 515 MPa |
| Yield Strength (0.2%Offset), min. | 30000 Psi, 205 MPa |
| Elongation,min. | 40 % |
Applications:
Architecture Equipments
Chemical Industries
Heat Exchangers
Threaded Fasteners
Food Processing Equipments
Oil and Gas Industry
Pulp and Paper Industry
Pharmaceutical Industry
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