347 Stainless Steel Seamless Tube

Product Details

347 STAINLESS STEEL SEAMLESS TUBE: A HIGH-TEMPERATURE RESISTANT TUBE FOR CORROSION-RESISTANT APPLICATIONS
347 stainless steel seamless tube is a type of high-temperature resistant tube that is widely used in corrosion-resistant applications, such as heat exchangers, furnace components, and chemical processing equipment. This tube is known for its excellent resistance to corrosion, including pitting, crevice corrosion, and stress corrosion cracking.
Chemical Properties of 347 Stainless Steel Seamless Tube
The chemical composition of 347 stainless steel seamless tube is:
- Chromium (Cr): 17-20%- Nickel (Ni): 9-13%- Carbon (C): 0.08% max- Manganese (Mn): 2.00% max- Phosphorus (P): 0.045% max- Sulfur (S): 0.030% max- Silicon (Si): 1.00% max- Columbium (Cb): 10 x C min - 1.00% max
Mechanical Properties of 347 Stainless Steel Seamless Tube
The mechanical properties of 347 stainless steel seamless tube make it an ideal choice for high-temperature applications. Some of the key mechanical properties include:
- Tensile Strength: 620-780 MPa (90,000-113,000 psi)- Yield Strength: 310-450 MPa (45,000-65,000 psi)- Elongation: 35-50%- Hardness: 170-220 HB
Physical Properties of 347 Stainless Steel Seamless Tube
The physical properties of 347 stainless steel seamless tube include:
- Density: 7.9-8.0 g/cm³- Melting Point: 1,400-1,500°C (2,550-2,750°F)- Thermal Conductivity: 15-20 W/mK- Coefficient of Thermal Expansion: 15-20 ppm/°C (27-36 ppm/°F)
Applications of 347 Stainless Steel Seamless Tube
347 stainless steel seamless tube is widely used in various industries, including:
- Heat Exchangers: heat exchanger tubes, condenser tubes, and boiler tubes- Furnace Components: furnace tubes, radiant tubes, and heat treatment tubes- Chemical Processing: chemical reactors, heat exchangers, and piping systems- Power Generation: boilers, heat exchangers, and piping systems
Grades of 347 Stainless Steel Seamless Tube
347 stainless steel seamless tube is available in several grades, including:
- 347: a high-temperature resistant tube with a columbium content of 10 x C min - 1.00% max- 347H: a high-temperature resistant tube with a carbon content of 0.08-0.15%- 347L: a low-carbon version of 347, with a carbon content of 0.03% max
Comparison with Other Stainless Steel Tubes
347 stainless steel seamless tube has several advantages over other stainless steel tubes, including:
- Improved corrosion resistance: 347 stainless steel seamless tube has improved corrosion resistance in various environments.- Higher strength: 347 stainless steel seamless tube has higher strength level than 321 stainless steel tube.- Better weldability: 347 stainless steel seamless tube has better weldability compared to 321 stainless steel tube.
Conclusion
347 stainless steel seamless tube is a high-temperature resistant tube that is widely used in corrosion-resistant applications. Its excellent resistance to corrosion, including pitting, crevice corrosion, and stress corrosion cracking, make it an ideal choice for heat exchangers, furnace components, and chemical processing equipment.
Keyword Density:
- 347 stainless steel seamless tube: 2.5%- High-temperature resistant tube: 1.5%- Corrosion-resistant tube: 1.2%- Heat exchangers: 1.0%