304 stainless steel is a widely used alloy that offers excellent corrosion resistance and mechanical properties. It belongs to the Austenitic family of stainless steels and is composed primarily of chromium and nickel, which contribute to its corrosion resistance and ductility.
The chromium content in 304 stainless steel forms a protective oxide layer on the surface, preventing corrosion from environmental factors such as oxygen and water. This layer is self-repairing, meaning that even if it is scratched or damaged, it can reform to continue protecting the underlying metal.
In addition to its corrosion resistance, 304 stainless steel also exhibits good mechanical properties. It is strong and ductile, allowing it to be formed and welded into various shapes and sizes. This versatility, combined with its corrosion resistance, makes 304 stainless steel a popular choice for a wide range of applications.
304 stainless steel is commonly used in the construction of architectural features, such as handrails and exterior cladding, due to its durability and aesthetic appeal. It is also widely used in the food processing industry, where its corrosion resistance and ease of cleaning make it suitable for contact with food. Furthermore, it finds applications in the medical, automotive, and chemical processing industries, among others.
Equivalent Material
| Grade | Euronorm | China GB | Japanese JIS | |
| No. | ||||
| 304 | 1.4301 | 0Cr18Ni9 | SUS304 | |
Standard Specification
| Thickness | 0.5mm-100mm | ||||||
| Outer diameter | 10mm, 25.4mm, 38.1mm, 50.8mm, 100mm, 250mm, 300mm, 350mm, etc | ||||||
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc | ||||||
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc | ||||||
| Finish | Hot rolled (HR), Cold rolled PIpe (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) | ||||||
| Form | Round tube Square tube Rectangular tube etc. | ||||||
Composition Content
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | Min. Max. |
≤0.08 | ≤2.00 | ≤0.75 | ≤0.045 | ≤0.03 | 18.00~20.00 | / | 8.00~10.50 | ≤0.1 |
Tensile strength σb (MPa)≥515-1035
Conditional yield strength σ0.2 (MPa)≥205
Elongation δ5 (%)≥40
Reduction of area ψ (%)≥?
Hardness: ≤201HBW; ≤92HRB; ≤210HV
Density (20℃, g/cm³): 7.93
Melting point (℃): 1398~1454
Specific heat capacity (0~100℃, KJ·kg-1K-1): 0.50
Thermal conductivity (W·m-1·K-1): (100℃) 16.3, (500℃) 21.5
Linear expansion coefficient (10-6·K-1): (0~100℃) 17.2, (0~500℃) 18.4
Resistivity (20℃, 10-6Ω·m2/m): 0.73
Longitudinal elastic modulus (20℃, KN/mm2): 193
Dimensions Standard,Weight Chart
| SS 304 Tube Size（mm) | SS 304 Tube Weight per Unit Area（kg/m） | ||||||||
| 6*1 | 0.125 | ||||||||
| 6*1.5 | 0.168 | ||||||||
| 8*1 | 0.174 | ||||||||
| 8*1.5 | 0.243 | ||||||||
| 10*1 | 0.224 | ||||||||
| 10*1.5 | 0.318 | ||||||||
| 12*1 | 0.274 | ||||||||
| 12*1.5 | 0.392 | ||||||||
| 12*2 | 0.498 | ||||||||
| 14*1 | 0.324 | ||||||||
| 14*2 | 0.598 | ||||||||
| 14*3 | 0.822 | ||||||||
| 16*2 | 0.697 | ||||||||
| 16*3 | 0.971 | ||||||||
| 17*3 | 1.046 | ||||||||
| 18*1 | 0.423 | ||||||||
| 18*1.5 | 0.617 | ||||||||
| 18*2 | 0.797 | ||||||||
| 18*3 | 1.121 | ||||||||
| 20*1 | 0.473 | ||||||||
| 20*2 | 0.897 | ||||||||
| 20*3 | 1.27 | ||||||||
| 21*3 | 1.345 | ||||||||
| 22*2 | 0.996 | ||||||||
| 22*2.5 | 1.214 | ||||||||
Price List
| Stainless Steel 304 pipe Price List | 304 pipe FOB Per Unit (USD) | |||||||
| 2mm 304 stainless steel pipe | $1200.00-$1800.00 | |||||||
| ss 304 mirror Stainless Steel pipe | $1500.00-$2000.00 | |||||||
| Stainless Steel pipe 304 | $1200.00-$1800.00 | |||||||
| Standard size 4×8 metal sus 304 grade stainless steel pipe prices | $1200.00-$1800.00 | |||||||
