Stainless Steel 321 Square Rods
Rose Metal Industries is a premier manufacturer, stockist, and exporter of high-quality Stainless Steel 321 Square Rods. Our SS 321 square rods are engineered for high-temperature and corrosion-resistant applications and are supplied across Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry (Pondicherry), and Andaman & Nicobar Islands. We also export globally to Europe, Middle East, Southeast Asia, and other international markets, ensuring adherence to ASTM, ASME, and EN quality standards
SS 321 is a titanium-stabilized austenitic stainless steel designed to resist intergranular corrosion and maintain mechanical strength at elevated temperatures. Rose Metal Industries manufactures square rods in various sizes, thicknesses, and finishes, including hot-rolled, cold-rolled, and polished options. These rods are widely used in high-temperature equipment, furnaces, heat exchangers, petrochemical units, and marine engineering projects.
Our SS 321 square rods are made from premium raw materials with strict quality control measures including chemical analysis, mechanical property testing, and dimensional verification. With exceptional creep resistance and high-temperature stability, SS 321 rods are ideal for components subjected to cyclic heating, chemical exposure, and corrosive environments. Industries in Chennai, Hyderabad, Bengaluru, Vijayawada, Visakhapatnam, Puducherry, and Port Blair rely on our products for reliable performance.
Rose Metal Industries maintains a large inventory of SS 321 square rods in standard and custom sizes, ensuring quick delivery to both domestic and international clients. Our rods are suitable for fabrication, machining, and assembly into furnace supports, high-temperature brackets, structural frames, and petrochemical equipment. We provide complete documentation, including Mill Test Certificates (MTC) and third-party inspection reports, for all shipments.
Specifications of Stainless Steel 321 Square Rods
| Specification | ASTM A276 / A479, ASME SA276 / SA479 |
|---|---|
| Grade | SS 321 / SS 321H |
| Size | 10mm × 10mm to 200mm × 200mm |
| Length | 1000mm to 6000mm (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 (Square Rods)
| Size (mm) | Approx Weight (kg/m) |
|---|---|
| 10 × 10 | 0.79 |
| 20 × 20 | 3.17 |
| 30 × 30 | 7.14 |
| 50 × 50 | 19.80 |
| 75 × 75 | 44.40 |
| 100 × 100 | 78.90 |
Applications
- Furnace supports, kiln components, and heat exchanger structures
- Petrochemical & refinery equipment
- Marine engineering components and offshore structures
- Aerospace and automotive high-temperature parts
- Structural frames and brackets for thermal processing
- Chemical processing & food processing equipment
We serve global and domestic industries with precision-engineered SS 321 square rods designed for superior corrosion resistance and high-temperature performance. Our technical team assists customers in selecting the appropriate sizes, grades, and finishes for specific applications, ensuring optimal performance and long service life. Rose Metal Industries is recognized for quality, reliability, and timely delivery, making us a preferred supplier in South India and abroad.
Rose Metal Industries is a trusted manufacturer and exporter of premium-quality Stainless Steel 321 Square Rods. Designed for high-temperature and corrosion-resistant applications, these rods are widely used across industrial sectors in Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry (Pondicherry), and Andaman & Nicobar Islands. Our global clients rely on the superior mechanical strength and durability of SS 321 square rods for critical operations in petrochemical, power generation, and marine engineering applications..
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 reduced carbide precipitation, while 304 is general-purpose stainless steel.
Q2: Do you provide mill test certificates (MTC)?
A: Yes — Rose Metal Industries provides MTCs, chemical and mechanical test reports, and supports third-party inspections.
Q3: Can you supply custom sizes and finishes?
A: Yes — We provide customized dimensions, polished finish, cold drawn, hot rolled, and bright bars based on customer requirements.
Q4: Do you supply to South India?
A: Yes — We supply Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry, and Andaman & Nicobar Islands.
Q5: What industries commonly use SS 321 Square Rods?
A: Industries include petrochemical, chemical, power plants, marine, aerospace, automotive, and high-temperature processing units.