Stainless Steel 321 Hexagon Rods
Rose Metal Industries is a leading Manufacturer, Stockist and Exporter of Stainless Steel 321 Hexagon Rods, supplying premium-quality stainless steel products across India and worldwide. With a strong distribution network in Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry (Pondicherry), and the Andaman & Nicobar Islands, we ensure timely delivery of high-performance round bars for diverse industrial applications. Our 304/304L Round Bars are manufactured using advanced technology and strict quality control, making them suitable for corrosive environments, structural applications, and precision machining.
SS 321 is a titanium-stabilized austenitic stainless steel that offers excellent resistance to intergranular corrosion, oxidation, and carbide precipitation during welding. Rose Metal Industries produces hexagon rods in multiple sizes, with hot-rolled, cold-drawn, and polished finishes. These rods are ideal for high-temperature furnace components, heat exchangers, chemical processing equipment, petrochemical units, and marine engineering structures.
Our hexagon rods are manufactured using premium raw materials and undergo strict quality control, including chemical composition analysis, mechanical property testing, and dimensional verification. The material’s superior creep resistance, oxidation resistance, and dimensional stability make it suitable for heavy-duty applications in Chennai, Bengaluru, Hyderabad, Visakhapatnam, Vijayawada, Puducherry, and Port Blair..
Rose Metal Industries maintains a large stock of SS 321 Hexagon Rods in standard and custom sizes to ensure quick delivery for domestic and international clients. Our rods are widely used in fabrication, machining, and assembly of high-temperature brackets, furnace supports, structural components, and petrochemical plant parts. Complete documentation, including Mill Test Certificates (MTC) and third-party inspection reports, are provided for all shipments
Specifications of Stainless Steel 321 Hexagon Rods
| Specification | ASTM A276 / A479, ASME SA276 / SA479 |
|---|---|
| Grade | SS 321 / SS 321H |
| Size | 10mm to 100mm (across flats) |
| Length | 1 Meter to 6 Meter (custom lengths available) |
| Finish | Hot Rolled, Cold Drawn, Polished, Bright Bar |
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.08 max |
| Chromium (Cr) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 12.0 |
| Titanium (Ti) | ≥5 × C% |
| Manganese (Mn) | 2.0 max |
| Silicon (Si) | 0.75 max |
| Sulfur (S) | 0.03 max |
| Phosphorus (P) | 0.045 max |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa min |
| Yield Strength | 205 MPa min |
| Elongation | 40% min |
| Hardness | 217 HB max |
Equivalent Grades
| Standard | Grade |
|---|---|
| UNS | S32100 |
| WNR | 1.4541 |
| EN | X6CrNiTi18-10 |
| JIS | SUS 321 |
Dimension Chart (Hexagon Rods)
| Size (across flats, mm) | Approx Weight (kg/m) |
|---|---|
| 10 | 0.98 |
| 20 | 3.92 |
| 30 | 8.82 |
| 40 | 15.68 |
| 50 | 24.50 |
| 60 | 35.28 |
| 80 | 62.72 |
| 100 | 98.00 |
Applications
- High-temperature furnace supports and brackets
- Petrochemical and refinery plant components
- Marine and offshore engineering structures
- Heat exchangers and thermal processing equipment
- Automotive and aerospace high-temperature parts
- Structural and chemical processing equipment
We also provide customized solutions including non-standard hexagon dimensions, cut-to-length rods, and polished or bright finishes as per client requirements. Our technical experts assist customers in selecting the appropriate sizes and finishes for specific applications, ensuring long service life, superior performance, and compliance with international quality standards
With rising demand in South India and global markets, Rose Metal Industries ensures that SS 321 Hexagon Rods are delivered on time, with excellent quality and competitive pricing. Industries in Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry, and Andaman & Nicobar Islands rely on our products for thermal, chemical, and structural applications, while our international clients benefit from our export-ready packaging and technical support.
Frequently Asked Questions (FAQ)
Q1: What is the difference between SS 321 and 304?
A: SS 321 is titanium-stabilized for high-temperature resistance and prevents carbide precipitation during welding, while 304 is general-purpose stainless steel suitable for ambient conditions.
Q2: Do you provide mill test certificates (MTC)?
A: Yes — Rose Metal Industries provides MTCs, third-party inspection reports, and PMI/chemical analysis on request.
Q3: Can you supply custom sizes and finishes?
A: Yes — We provide hexagon rods in custom sizes, cut-to-length, polished, bright, hot-rolled, or cold-drawn finishes as per project requirements.
Q4: Do you supply to South India?
A: Yes — We supply to Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry, and Andaman & Nicobar Islands.
Q5: What industries commonly use SS 321 Hexagon Rods?
A: Industries include petrochemical, chemical, power plants, marine, aerospace, automotive, and high-temperature structural applications.