
Round Bar

A steel round bar is a solid, cylindrical metal rod widely used across construction, heavy industry, and everyday manufacturing. Known for its structural integrity and versatility, the round bar serves as a fundamental component for both complex mechanical engineering tasks and private building projects.
Contact us to get a custom quote for your required volume.
Technical Specifications
We supply high-standard steel round bars produced to meet strict industry requirements. Our materials are sourced from reputable factories, ensuring reliable performance for any application.
- Steel Grades: S235, S355 (Instrumental steel grades and other specific alloys are available upon request).
- Standard Lengths: L-3000 mm (3m) and L-6000 mm (6m). Note: Exact lengths may vary depending on the specific manufacturing factory.
- Form: Solid round cut metal rod.
Typical Applications
Because of its shape and high-quality steel composition, the round bar is highly adaptable. We supply this product to large-scale developers, manufacturing plants, and private individuals working on DIY builds. Common applications include:
- Mechanical Engineering: Used as a durable blank for manufacturing machine parts, including bushings, axles, spindles, and fasteners.
- Pipe Manufacturing: Serves as a primary blank for seamless pipe production.
- Metal Rolling: Utilized as a starting material before the manufacturing of profiled or specific round rolling products.
- Construction & Forging: Ideal for structural reinforcements, custom forgings, banisters, fencing, and private home foundation elements.

Round bar diameter (mm) | Weight (kg/m) | Surface m2/m |
|---|---|---|
Round Bar D-4mm | 0.11 | 0.014 |
Round Bar D-6mm | 0.23 | 0.020 |
Round Bar D-8mm | 0.42 | 0.026 |
Round Bar D-10mm | 0.62 | 0.032 |
Round Bar D-12mm | 0.89 | 0.039 |
Round Bar D-14mm | 1.22 | 0.045 |
Round Bar D-15mm | 1.41 | 0.048 |
Round Bar D-16mm | 1.59 | 0.051 |
Round Bar D-18mm | 2.01 | 0.058 |
Round Bar D-20mm | 2.48 | 0.064 |
Round Bar D-22mm | 3.01 | 0.070 |
Round Bar D-24mm | 3.56 | 0.076 |
Round Bar D-25mm | 3.95 | 0.080 |
Round Bar D-28mm | 4.85 | 0.089 |
Round Bar D-30mm | 5.53 | 0.095 |
Round Bar D-32mm | 6.40 | 0.101 |
Round Bar D-35mm | 7.57 | 0.111 |
Round Bar D-36mm | 8.05 | 0.114 |
Round Bar D-38mm | 8.89 | 0.120 |
Round Bar D-40mm | 9.95 | 0.127 |
Round Bar D-45mm | 12.45 | 0.142 |
Round Bar D-46mm | 13.01 | 0.145 |
Round Bar D-50mm | 15.38 | 0.158 |
Round Bar D-55mm | 18.59 | 0.174 |
Round Bar D-60mm | 22.13 | 0.189 |
Round Bar D-65mm | 26.03 | 0.205 |
Round Bar D-70mm | 30.09 | 0.221 |
Round Bar D-75mm | 34.51 | 0.236 |
Round Bar D-80mm | 39.41 | 0.252 |
Round Bar D-85mm | 44.37 | 0.268 |
Round Bar D-90mm | 49.85 | 0.284 |
Round Bar D-95mm | 55.42 | 0.299 |
Round Bar D-100mm | 61.60 | 0.315 |
Round Bar D-105mm | 68.00 | 0.331 |
Round Bar D-110mm | 74.50 | 0.346 |
Round Bar D-115mm | 81.52 | 0.362 |
Round Bar D-120mm | 88.72 | 0.378 |
Round Bar D-125mm | 96.23 | 0.394 |
Round Bar D-130mm | 104.00 | 0.409 |
Round Bar D-135mm | 112.00 | 0.425 |
Round Bar D-140mm | 121.00 | 0.441 |
Round Bar D-150mm | 139.00 | 0.472 |
Round Bar D-160mm | 158.00 | 0.503 |
Round Bar D-170mm | 179.00 | 0.535 |
Round Bar D-180mm | 200.00 | 0.566 |
Round Bar D-200mm | 248.00 | 0.629 |
Frequently Asked Questions
What steel grades are available for your round bars?
Our standard inventory includes highly requested S235 and S355 structural steel grades. We can also source instrumental steel grades and other alloys depending on your project requirements.
What are the standard lengths of a steel round bar?
We typically supply round bars in lengths of 3 meters (3000mm) and 6 meters (6000mm). Specific lengths can depend on the manufacturing factory.
Do you sell to private individuals, or only B2B?
We serve everyone. While we frequently supply large contractors and developers, we also provide custom volume quotes for private individuals and DIY builders.
How do I get a price for my order?
Because metal prices fluctuate and our quotes are volume-based, we do not list static prices on our website. Please contact us with your required specifications and quantities, and our team will prepare a highly competitive, customized offer.
Do you offer delivery?
Yes. We organize prompt delivery across Latvia, as well as to secondary markets throughout Europe and CIS countries.
What is a steel round bar typically used for?
It is primarily used as a blank in mechanical engineering (for axles, bushings, and machine parts), pipe manufacturing, and construction (forgings, banisters, and structural supports).
