Stainless Steel Seamless 304 Round Tube
Alloys 304 (S30400) stainless steels are variations of the 18 percent chromium – 8 percent nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family.As a reliable and versatile material, 304 stainless steel pipe is highly regarded in the metal industry. It is a type of austenitic steel that contains chromium and nickel, which offers resistance to corrosion and rust.
304 Seamless Tube Specification
| Item | Stainless Steel Seamless 304 Round Tube |
| Standard |
ASTM A269/ASTM A213/ASTM A312 |
| Material | 300 series,304/304L/304H,316,etc |
| Outer Diameter | 8-1020mm |
| Wall Thickness | 0.3-18mm |
| Surface Treatment | Primary,Polished,custom |
Available 304 SS Tube forms
- Straight
- Coiled
- Seamless
- Seam welded and cold redrawn
- Seam welded, cold redrawn and annealed
Seamless 304 Round Tube Features
One of the key features of 304 stainless steel pipe is its durability. It can withstand extreme temperatures and pressures, making it ideal for use in high-stress environments. It is also resistant to corrosive agents like acids, which is crucial for materials used in pipelines exposed to harsh chemicals.
In addition to its durability, 304 stainless steel pipe is also known for its low maintenance needs. Due to its resistance to stains and corrosion, it requires less upkeep and prolongs its life span. It is a cost-effective material compared to other metals and alloys, making it a popular choice for businesses and manufacturers.
Other advantages are its resistance to oxidation, excellent formability, ease of fabrication and cleaning, excellent strength to weight ratio and good toughness at cryogenic temperatures.
304 stainless steel pipe is a reliable and versatile material that is used in various industries worldwide. Its durability, resistance to corrosion, low maintenance needs, and cost-effectiveness make 304 tube an excellent choice for a variety of applications.
High strength, excellent corrosion resistance and minimized carbon content make Alloy 304 Stainless Steels useful for applications where welding is required. Uses include architectural mouldings and trim, welded components of chemical, textile, paper, pharmaceutical and chemical industry processing equipment.
Technical Data Seamless 304 Round Tube
--304 SS Chemical Composition (% by weight)
| Element | 304 | |
| Min | Max | |
| C | - | 0.08 |
| Mn | - | 2 |
| Ni | 8 | 10.5 |
| Cr | 18 | 20 |
| S | - | 0.03 |
| N | - | 0.1 |
| Si | - | 0.75 |
| P | - | 0.045 |
--304 Steel Mechanical Properties
| Temper | 304 | |
| Tensile Rm | 76 | ksi (min) |
| Tensile Rm | 517 | MPa (min) |
| R.p. 0.2% Yield | 31 | ksi (min) |
| R.p. 0.2% Yield | 207 | MPa (min) |
| Elongation (2" or 4D gl) | 40 | % (min) |
--304 round tube Physical Properties (Room Temperature)
| Specific Heat (0-100°C) | 500 | J.kg-1.°K-1 |
| Thermal Conductivity | 16.2 | W.m -1.°K-1 |
| Thermal Expansion | 17.2 | μm/μm/°C |
| Modulus Elasticity | 19.3 | GPa |
| Electrical Resistivity | 7.23 | Ohm-cm |
| Density | 8.0 | g/cm3 |
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