Round Bar Manufacturer, Supplier and Exporter – Girnar Pipes Fittings
Girnar Pipes Fittings is a leading supplier, stockist, and exporter of high-quality round bars, catering to diverse industrial sectors across the globe. Our round bars are manufactured using premium-grade raw materials and advanced production techniques to ensure excellent strength, durability, and dimensional accuracy. With a strong supply chain and ready stock, we deliver consistent quality products for both domestic and international markets.
We offer round bars in a wide range of materials including stainless steel, carbon steel, alloy steel, duplex steel, super duplex steel, and special alloys. These round bars are available in various diameters, lengths, and finishes such as bright, black, peeled, polished, and machined finishes to meet specific project requirements. Our products are widely used in industries such as oil and gas, petrochemicals, power plants, engineering, construction, and automotive sectors.
As a trusted stockist, Girnar Pipes Fittings maintains a comprehensive inventory of round bars conforming to international standards such as ASTM, ASME, AISI, DIN, EN, and BS. Each product undergoes strict quality checks including chemical analysis, mechanical testing, and dimensional inspection to ensure compliance with customer specifications and global norms.
Our round bars are known for excellent corrosion resistance, high tensile strength, superior surface finish, and long service life. These properties make them suitable for high-pressure and high-temperature applications where performance and reliability are critical. We also provide customized round bars as per drawings, grades, and tolerances specified by clients.
Girnar Pipes Fittings has established a strong global presence by exporting round bars to customers across Asia, Europe, the Middle East, Africa, and the Americas. We ensure safe packaging, timely delivery, and complete documentation including test certificates, ensuring smooth international shipments and long-term customer satisfaction.
Specifications of Round Bars
| Material | Standards | Grades |
|---|---|---|
| Stainless Steel | ASTM A276 / A479 | 304, 304L, 316, 316L, 321, 347, 310, 904L |
| Carbon Steel | ASTM A105 / A36 / A675 | C45, A105, A350 LF2 |
| Alloy Steel | ASTM A182 / A322 | 4140, 4130, EN19, EN24, 42CrMo4 |
| Duplex / Super Duplex | ASTM A276 / A479 | S31803, S32205, S32750, S32760 |
| Copper and Brass | ASTM B62 / B111 | C110, C260, C360 |
| Aluminum | ASTM B211 | 6061, 6082, 7075 |
| Nickel Alloys | ASTM B160 / B164 | Inconel 600, 625, 718, Monel 400, K500, Hastelloy C276 |
| Titanium | ASTM B348 | Grade 2, Grade 5, Grade 7 |
Chemical Composition (General Range)
| Material | C% | Mn% | Si% | Cr% | Ni% | Mo% |
|---|---|---|---|---|---|---|
| SS 304 / 316 | 0.08 max | 2.0 | 1.0 | 18–20 | 8–12 | 0–2.5 |
| CS C45 | 0.45 | 0.8 | 0.3 | — | — | — |
| Alloy Steel 4140 | 0.40 | 1.0 | 0.3 | 1.1 | 0.25 | 0.2 |
| Duplex 2205 | 0.03 | 2.0 | 1.0 | 22 | 5 | 3.0 |
| Nickel Alloy 625 | 0.10 | 0.5 | 0.5 | 21 | 58 | 9 |
Mechanical Properties
| Material | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness |
|---|---|---|---|---|
| SS 304 | 520 | 210 | 40 | 180 HB |
| CS C45 | 600 | 355 | 20 | 200 HB |
| Alloy Steel 4140 | 655 | 415 | 25 | 260 HB |
| Duplex 2205 | 620 | 450 | 25 | 290 HB |
| Inconel 625 | 830 | 414 | 30 | 220 HB |
Equivalent Grades
| Material | UNS | Werkstoff | EN | JIS |
|---|---|---|---|---|
| SS 304 | S30400 | 1.4301 | X5CrNi18-10 | SUS 304 |
| SS 316 | S31600 | 1.4401 | X5CrNiMo17-12-2 | SUS 316 |
| Alloy Steel 4140 | G41400 | 1.7225 | 42CrMo4 | SCM440 |
| Duplex 2205 | S32205 | 1.4462 | X2CrNiMoN22-5-3 | SUS 329J3L |
| Inconel 625 | N06625 | 2.4856 | — | — |
Round Bar Dimension Chart (mm)
| Diameter (mm) | Standard Length (mm) | Tolerance |
|---|---|---|
| 6 – 25 | 3000 / 6000 | h9 / h11 |
| 26 – 50 | 3000 / 6000 | h9 / h10 |
| 51 – 100 | 3000 / 6000 | h10 |
| 101 – 200 | 3000 / 6000 | h11 |
With a customer-centric approach, competitive pricing, and technical expertise, Girnar Pipes Fittings continues to be a preferred partner for round bar requirements worldwide. Our commitment to quality, transparency, and on-time delivery sets us apart in the global steel industry.
Uses of Round Bars
Round Bars are essential components used in piping systems to ensure safe, leak-free, and efficient fluid or gas transfer across various industries. They connect, control, regulate, and support pipelines operating under different temperature and pressure conditions.
1. Oil and Gas Industry
Round Bars are widely used in onshore and offshore drilling operations, refinery pipeline systems, gas distribution networks, and high-pressure fluid transfer. Their corrosion resistance and temperature tolerance make them ideal for harsh environments.
2. Petrochemical and Chemical Industry
These fittings are crucial in chemical processing plants, acid/alkali lines, solvent transfer systems, and hazardous chemical handling. Materials are selected based on corrosion resistance and compatibility with chemicals.
3. Power Generation Industry
Round Bars are used in boiler lines, steam pipelines, turbine systems, and cooling water networks. They withstand high pressure and extreme temperatures in thermal, nuclear, and renewable energy plants.
4. Water Treatment and Desalination Plants
Applications include RO systems, filtration units, pumping stations, and municipal water supply lines. Fittings provide durability, corrosion resistance, and long-term leak-proof performance.
5. Food and Beverage Industry
Stainless steel sanitary fittings ensure hygienic flow in dairy units, breweries, beverage manufacturing, and food processing systems. They prevent contamination and meet high hygiene standards.
6. Pharmaceutical Industry
Round Bars are used in cleanroom piping, purified water systems, drug manufacturing units, and sterile processing operations. They comply with GMP and maintain contamination-free fluid handling.
7. Construction and Infrastructure
Used in firefighting systems, HVAC networks, plumbing systems, and building pipelines. Round Bars ensure reliable flow and structural stability across large infrastructure projects.
8. Marine and Shipbuilding
Marine-grade fittings are used in seawater pipelines, ballast systems, and fuel/oil transfer lines. They offer high resistance to corrosion in saltwater environments.
9. Automotive and Aerospace
Essential for fuel injection lines, hydraulic systems, coolant pipelines, and high-pressure circuits. They withstand vibration, heat, and pressure fluctuations in vehicles and aircraft.
10. Mining and Metal Processing
Round Bars are used in slurry pipelines, ore processing systems, and high-abrasion environments. Alloy steel fittings provide strength, wear resistance, and durability.
Frequently Asked Questions – Round Bars
Q1. What types of round bars does Girnar Pipes Fittings supply?
We supply round bars in stainless steel, carbon steel, alloy steel, duplex steel, super duplex steel, and other special alloy grades in various sizes and finishes.
Q2. What industries use round bars?
Round bars are widely used in oil and gas, petrochemical, power generation, construction, engineering, automotive, marine, and heavy fabrication industries.
Q3. Do you export round bars worldwide?
Yes, Girnar Pipes Fittings exports round bars globally, supplying to customers across Asia, Europe, the Middle East, Africa, and the Americas.
Q4. Are your round bars tested for quality?
Yes, all round bars undergo strict quality testing including chemical composition analysis, mechanical testing, and dimensional checks. Mill Test Certificates (MTC) are provided upon request.
Q5. Can you supply customized round bars?
Yes, we offer customized round bars as per client specifications including size, length, grade, tolerance, and surface finish.
Our Global Export and Supply Network
Girnar Pipes Fittings proudly supplies products across international markets and major industrial cities worldwide.