Steel round bars are cylindrical metal bars made from steel. They are commonly used
in construction, manufacturing, and other industries due to their strength, durability,
and versatility. There are several types of steel round bars, including:
- Mild Steel Round Bar:
- Carbon Steel Round Bar:
- Alloy Steel Round Bar:
- Stainless Steel Round Bar:
- Nickel Alloy Round Bar:
- Tool Steel Round Bar:
This is a low carbon steel bar that is relatively soft and easy to shape. It is commonly used for construction, manufacturing, and general fabrication.
This is a medium to high carbon steel bar that is known for its strength, durability, and toughness. It is commonly used for applications that require high strength and toughness, such as in machinery and tools.
This is a type of steel that contains additional elements such as chromium, nickel, or molybdenum, which improve its strength and corrosion resistance. Alloy steel round bars are commonly used in applications that require high strength and resistance to wear and tear.
This is a steel bar that contains at least 10.5% chromium, which makes it highly resistant to corrosion and staining. Stainless steel round bars are commonly used in applications that require high corrosion resistance, such as in the food industry, medical equipment, and marine applications.
This type of round bar is made from alloys containing a high percentage of nickel, which provides excellent corrosion resistance, high-temperature strength, and durability. Nickel alloy round bars are commonly used in chemical processing, aerospace, marine, and oil and gas applications.
This is a high carbon, high alloy steel that is commonly used to make cutting tools, dies, and molds. Tool steel round bars are known for their hardness, toughness, and wear resistance.
These are some of the most common types of steel round bars, but there are many other variations available to suit different applications and requirements.
Round Bar Specifications
| Material | Diameter Range | Length | Tolerance |
|---|---|---|---|
| Mild Steel | 6mm to 200mm | 3m to 6m | +/- 0.2mm to +/- 1mm |
| Carbon Steel | 6mm to 200mm | 3m to 6m | +/- 0.2mm to +/- 1mm |
| Alloy Steel | 6mm to 200mm | 3m to 6m | +/- 0.2mm to +/- 1mm |
| Stainless Steel | 6mm to 200mm | 3m to 6m | +/- 0.2mm to +/- 0.5mm |
| Tool Steel | 6mm to 200mm | 3m to 6m | +/- 0.2mm to +/- 1mm |
Round Bar Grades
| Material | Standard | Available Grades | Type |
|---|---|---|---|
| Carbon Steel | ASTM A108 / IS 2062 | Gr A, Gr B, Gr C, 45, 55, 60 | Round, Hex, Flat |
| Stainless Steel | ASTM A276 / A479 | 304, 304L, 316, 316L, 321, 310S, 904L | Round, Hex, Flat |
| Alloy Steel | ASTM A193 / A574 | 4140, 4340, 4145H, 42CrMo4 | Round, Hex, Flat |
| Duplex Steel | ASTM A276 / A182 | 2205, 2507, S31803, S32750 | Round, Hex |
| Nickel Alloy | ASTM B160 / B564 | Inconel 600, 601, 625, 800, 825 | Round, Hex |
| Hastelloy | ASTM B574 / B637 | C22, C276, B2, B3 | Round, Hex |
| Monel | ASTM B164 / B165 | Monel 400, Monel K-500, Alloy 20 | Round, Hex |
| Aluminium | ASTM B211 / B221 | 1100, 3003, 5052, 6061, 6082 | Round, Flat, Hex |
| Copper & Copper Nickel | ASTM B152 / B170 | C101, C110, C70600 (90/10 CuNi), C71500 (70/30 CuNi) | Round, Flat |
Round Bar Benefits
- Corrosion resistance
- Easy in production
- Appealing looks
- Temperature resistance at both high and low levels
Surface Finish Of Bar
| Bright drawn | BD | Slit rolled edge | SRE |
| Cold drawn | CD | Polished | P |
| Peeled and turned | P&T | Rough turned/peeled | RT |
| Cold finished | CF | Hot rolled pickled and annealed | HRAP |
| Centreless ground | CG | Hot finished | HF |
| Smooth turned | ST | reeled and Peeled | PR |