Stainless Steel 347 Round Rods
Rose Metal Industries is a leading manufacturer, stockist, and global exporter of Stainless Steel 347 Round Rods, supplying high-performance materials to diverse sectors worldwide. SS 347 is stabilized with niobium (columbium), offering superior resistance to intergranular corrosion, especially in high-temperature environments. This grade is widely preferred for applications requiring excellent weldability and long-term stability under elevated temperatures..
We serve major industrial hubs across Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry (Pondicherry), and the Andaman & Nicobar Islands, where industries demand heat-resistant and corrosion-resistant raw materials. Our Stainless Steel 347 Round Rods are extensively used in refinery equipment, thermal processing plants, pressure piping systems, power generation facilities, and chemical processing industries due to their unmatched high-temperature performance..
Manufactured using premium raw materials and advanced production technology, our SS 347 Round Rods comply with global standards such as ASTM, ASME, DIN, and EN. As a recognized international supplier, Rose Metal Industries ensures consistent mechanical strength, oxidation resistance, and creep resistance in all rods. These properties make SS 347 an ideal choice for aerospace components, furnace parts, exhaust manifolds, and high-temperature structural assemblies.
We maintain a comprehensive stock of Stainless Steel 347 Round Rods in a wide range of sizes, finishes, and tolerances to meet urgent and large-scale industrial requirements. Our ready-to-dispatch inventory enables quick deliveries across Chennai, Bengaluru, Hyderabad, Coimbatore, Visakhapatnam, Mysuru, Tirupati, and Port Blair. Whether for inland industries or coastal regions with harsh environments, our SS 347 rods offer exceptional durability and reliability.
Stainless Steel 347 Round Rods – Specifications
| Specification | Details |
|---|---|
| Grade | Stainless Steel 347 |
| Standard | ASTM A276 / A479 |
| Type | Round Rods / Bars |
| Size Range | 10mm to 300mm Diameter |
| Finish | Bright, Black, Polished, Peeled & Turned |
| Form | Rounds, Squares, Hex, Custom Cut Lengths |
Chemical Composition of Stainless Steel 347
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.08 max |
| Chromium (Cr) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 13.0 |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Niobium (Nb) | 10xC to 1.0 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa min |
| Yield Strength | 205 MPa min |
| Elongation | 40% min |
| Hardness | 95 HRB max |
Equivalent Grades of SS 347
| Standard | Equivalent Grade |
|---|---|
| UNS | S34700 |
| EN | 1.4550 |
| DIN | X6CrNiNb18-10 |
| BS | 347S31 |
Dimension Chart (Round Rods)
| Diameter (mm) | Approx. Weight (kg/m) |
|---|---|
| 10 | 0.62 |
| 20 | 2.47 |
| 40 | 9.87 |
| 60 | 22.20 |
| 80 | 39.50 |
| 100 | 61.70 |
Applications of Stainless Steel 347 Round Rods
- Heat Exchanger Components
- Refinery and Petrochemical Plants
- Aerospace Exhaust Manifolds
- Furnace Structural Parts
- Chemical Processing Equipment
- Food Processing & Pharmaceutical Machinery
- Marine Engineering and Coastal Industrial Structures
Thanks to their excellent toughness, weldability, and resistance to chromium carbide precipitation, Stainless Steel 347 Round Rods are widely used in petrochemical plants, food processing units, marine engineering, and pharmaceutical equipment. Their corrosion resistance in coastal locations like Chennai, Puducherry, Visakhapatnam, and the Andaman Islands makes them a preferred choice for industries operating in chloride-rich or humid conditions. Their global acceptance further reflects their superior performance and compatibility with demanding applications.
Rose Metal Industries continues to strengthen its presence in both domestic and global markets by offering top-quality SS 347 Round Rods backed by technical expertise and reliable export services. With a focus on quality, precision, and customer satisfaction, we cater to clients across South India and worldwide regions such as the Middle East, Europe, Africa, and Southeast Asia. Our commitment to excellence ensures that every SS 347 rod meets international standards for safety, durability, and high-temperature capability..
Frequently Asked Questions (FAQ)
Q1: What makes Stainless Steel 347 suitable for high-temperature applications?
A: SS 347 contains niobium, which stabilizes the structure and prevents carbide precipitation, ensuring long-term performance at elevated temperatures.
Q2: Do you supply SS 347 Round Rods to South India?
A: Yes, we supply across Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry, and Andaman & Nicobar Islands with ready stock and fast delivery.
Q3: Can I get MTC and third-party inspection?
A: Yes, Rose Metal Industries provides MTCs and can arrange third-party inspections such as BV, TUV, LR, and DNV upon request.
Q4: Are custom diameters and lengths available?
A: Yes, we offer customized cutting, machining, polishing, and export-grade packaging for all orders.
Q5: What standards do your SS 347 Round Rods follow?
A: Our rods meet ASTM A276, A479, EN, DIN, and international standards suitable for global markets.