304 Stainless Steel Round Bar Bright Solid Ground Rod Polished Stainless Steel Rod For Machinery Equipment
304 Stainless Steel Round Bar is one of the most widely used austenitic stainless steel products, offering an excellent combination of corrosion resistance, strength, toughness, and machinability. Available in bright drawn, ground, polished, hot rolled, and cold drawn finishes, it is widely used in machinery manufacturing, construction, food processing, chemical equipment, automotive components, and precision engineering.
Manufactured according to ASTM A276, ASTM A479, EN 10088, and JIS G4303, our 304 stainless steel round bars provide reliable performance, consistent quality, and excellent dimensional accuracy for industrial and commercial applications.
Key attributes
| Product Name |
304 Stainless Steel Round Bar |
Diameter |
3 mm – 500 mm |
| Tolerance |
±1% |
Length |
1000 mm – 6000 mm or Customized |
| Certification |
ISO,SGS,CE,BIS |
Roud Bar Size |
Customers' Requirements |
| Keyword |
Stainless Steel Round bar |
Material |
ASTM 304 / UNS S30400 / SUS304 / EN 1.4301 |
| Standard |
ASTM A276, ASTM A479, EN 10088, JIS G4303 |
Grade |
300 series |
| Type |
Round |
Application |
Construction/Decoration |
| Delivery Time |
8 ~ 14 days |
Surface |
Bright, Ground, Polished, Peeled, Black |
| Specifications |
304 |
Shape |
Round Bar |
| Model Number |
304 |
Technique |
Hot Rolled, Cold Drawn, Forged |
| Place of Origin |
China |
Advantage |
Strong Corrosion Resistance |
| Material Status |
Large stock or fast new production |
Package |
Standard Package |
| Processing Service |
Bending, Welding, Decoiling, Punching, Cutting |
Payment |
T/T30% Deposit+70% Advance |
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Key Features
| Feature |
Benefit |
| Excellent Corrosion Resistance |
Performs well in humid, chemical, and mild corrosive environments. |
| Bright Surface Finish |
Smooth appearance with excellent dimensional accuracy. |
| High Mechanical Strength |
Suitable for load-bearing and structural components. |
| Excellent Machinability |
Easy to cut, drill, mill, and machine. |
| Good Weldability |
Suitable for TIG, MIG, and arc welding. |
| Superior Surface Quality |
Ideal for decorative and precision applications. |
| Long Service Life |
Reduces maintenance and replacement costs. |
| Eco-Friendly Material |
100% recyclable stainless steel. |
Chemical Composition
| Element |
Content (%) |
| Carbon (C) |
≤0.08 |
| Silicon (Si) |
≤1.00 |
| Manganese (Mn) |
≤2.00 |
| Phosphorus (P) |
≤0.045 |
| Sulfur (S) |
≤0.030 |
| Chromium (Cr) |
18.0–20.0 |
| Nickel (Ni) |
8.0–10.5 |
| Nitrogen (N) |
≤0.10 |
| Iron (Fe) |
Balance |
Mechanical Properties
| Property |
Value |
| Tensile Strength |
≥515 MPa |
| Yield Strength (0.2%) |
≥205 MPa |
| Elongation |
≥40% |
| Hardness |
≤92 HRB |
| Elastic Modulus |
193 GPa |
| Reduction of Area |
≥60% |
Physical Properties
| Property |
Value |
| Density |
7.93 g/cm³ |
| Melting Point |
1400–1450°C |
| Thermal Conductivity |
16.2 W/m·K |
| Electrical Resistivity |
0.72 μΩ·m |
| Specific Heat |
500 J/kg·K |
| Thermal Expansion |
17.2 × 10⁻⁶ /°C |
| Magnetic Property |
Non-Magnetic (Annealed) |
Heat Resistance
| Property |
Value |
| Continuous Service Temperature |
Up to 870°C |
| Intermittent Service Temperature |
Up to 925°C |
| Oxidation Resistance |
Excellent |
| Thermal Stability |
Good |
Typical Applications
| Industry |
Applications |
| Machinery Equipment |
Shafts, gears, rollers, machine components |
| Automotive |
Axles, fasteners, transmission parts |
| Construction |
Structural supports, handrails, decorative elements |
| Food Processing |
Processing equipment, conveyors, storage tanks |
| Chemical Industry |
Valves, pumps, tanks, piping systems |
| Marine Engineering |
Marine hardware and fittings |
| Medical Equipment |
Non-implant instruments and equipment |
| General Manufacturing |
Precision machined components |
Frequently Asked Questions (FAQ)
What is 304 Stainless Steel Round Bar?
304 Stainless Steel Round Bar is an austenitic stainless steel bar with excellent corrosion resistance, weldability, and machinability. It is widely used in machinery, construction, food processing, and industrial manufacturing.
What is the difference between bright, ground, and polished stainless steel rods?
- Bright Rod: Cold drawn with a smooth finish and precise dimensions.
- Ground Rod: Precision ground for tighter tolerances and superior roundness.
- Polished Rod: Mechanically polished to achieve a decorative or mirror-like surface.
What standards do your products meet?
Our products comply with ASTM A276, ASTM A479, EN 10088, and JIS G4303, and are supplied with EN 10204 3.1 Mill Test Certificates upon request.
Do you offer custom machining services?
Yes. We provide cutting, CNC turning, milling, drilling, threading, grinding, polishing, and other custom processing services based on customer drawings.
