ASTM A312 TP304 is a stainless steel seamless pipe with excellent high temperature performance and strength. Its operating temperature is up to 870 degrees Celsius, so it is often used in high-pressure and high-temperature applications. Due to its excellent corrosion resistance and high temperature stability, it is widely used in various industries such as oil, natural gas, chemical industry, etc.
The minimum yield strength of 304 stainless steel pipe is 205MPa and the minimum tensile strength is 515MPa. The advantages of this type of pipe include good formability and weldability, as well as corrosion resistance in various environments. Among the chemical components, iron is the main component of 304 steel, accounting for the vast majority of the steel; chromium accounts for about 18% to 20%, and nickel accounts for about 8% to 10%. Its addition can improve the toughness and plasticity of the steel; manganese Its content usually does not exceed 2%, and its silicon content usually does not exceed 1%. Its addition can improve the strength and hardness of steel.
Stainless steel 304 pipe is commonly used in various industries, including food and beverage, chemical processing, and pharmaceuticals, due to its excellent corrosion resistance, high temperature resistance, and low maintenance requirements. It is often used for transporting fluids & gases and for structural & decorative applications.
Chemical Composition of TP 304 Stainless Steel Pipe
|
Grade |
C |
Ni |
Si |
N |
S |
Mn |
P |
Cr |
|
|
304 |
min. |
– |
8.0 |
– |
– |
– |
– |
– |
18.0 |
|
max. |
0.08 |
10.5 |
0.75 |
0.10 |
0.030 |
2.0 |
0.045 |
20.0 |
|
Physical Properties of TP 304 Stainless Steel Pipe
|
Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Electrical Resistivity (n.m) |
Specific Heat 0-1000C (J/kg.K) |
Mean Coefficient of Thermal Expansion (m/m/0C) |
Thermal Conductivity (W/m.K) |
|||
|
0-1000C |
0-3150C |
0-5380C |
at 1000C |
at 5000C |
|||||
|
304 |
8000 |
193 |
720 |
500 |
17.2 |
17.8 |
18.4 |
16.2 |
21.5 |
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