904L stainless steel pipe is a material with excellent corrosion resistance, especially in environments containing sulfuric acid, phosphoric acid and chloride-containing solutions. It contains approximately 20-25% chromium, 4.5-5.5% nickel, 23-28% molybdenum and 1.5-2% manganese. These alloying elements together provide it with a dual-phase structure, strength and corrosion resistance. It can resist the erosion of corrosive media such as acidic solution, salt water, chloride and so on. It performs well in strong acids, bases and high chlorine environments and has excellent resistance to pitting corrosion and stress corrosion cracking.
Stainless Steel TP 904L Pipes can maintain stable performance at high temperatures. It can withstand high temperature working conditions and is not prone to deformation and wear. TP 904L Stainless Steel Pipes have good processing properties and can be formed and processed by conventional cold working and hot working methods.
904L stainless steel round pipe is widely used in many fields. It is commonly used in equipment manufacturing in corrosive environments in marine engineering, chemical, petrochemical, pharmaceutical, food processing and other industries. For example, it can be used to manufacture seawater desalination equipment, offshore platform structures, chemical reactors, storage tanks, pipeline systems, etc.
Chemical composition of Stainless Steel 904L Seamless Pipe:
| product name |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Cu |
|
ASTM |
≤0.02 |
≤1.00 |
≤2.00 |
≤0.045 |
≤0.035 |
19.00~23.00 |
23.00~28.00 |
4.0~5.0 |
1.00~2.00 |
|
Steel Grade |
Density(g/cm3) |
|
304,304L,305,321 201,202,301,302 |
7.93 |
|
316,316L,347 309S,310S |
7.98 |
|
405,410,420 |
7.75 |
|
409,430,434 |
7.7 |
Tolerance Chart of 904L Stainless Steel Tube
| Stainless Steel 904L Pipe OD | astm b677 tp 904l Pipe Tolerance |
|---|---|
| 4 to 35 milimeter | +/- 0.08 milimeter |
| 35 to 38 milimeter | +/- 0.15 milimeter |
| 38 to 60 milimeter | +/- 0.20 milimeter |
| 60 and above | +/- 0.25 milimeter |
904L Stainless Steel Polished Pipe

product specifications
904L Rod: ASTM A479
904L Forging: ASTM A484
904L Board/Plate: ASTM A240
904L Pipe/Tube: ASTM A312
904L steel pipe physical properties
Density: 8.0 g/cm3
904L mechanical properties - solid solution annealing
Tensile strength: ≥490 MPa, Yield strength: ≥215MPa, Elongation: ≥35%
GNEE's products are exported to Canada, Spain, Italy, Mexico, Vietnam, Myanmar, Belgium, India, Australia, South Korea, South Africa, Egypt and other countries. The annual sales volume of products is 5 million tons.

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