1020 Round Bars | AISI / SAE 1020 Carbon Steel Round Bar Supplier & Manufacturer
1020 round bars are among the most commonly used low-carbon steel bars in engineering, manufacturing, and fabrication industries. Known for their excellent machinability, good weldability, and balanced strength, these bars are ideal for applications that require reliability without the higher cost of alloy steels.
We supply and manufacture 1020 steel round bars in hot-rolled, cold-drawn, bright, annealed, and forged conditions. With consistent quality control and industry-standard testing, our AISI 1020 carbon steel round bars meet both national and international specifications.
What Are 1020 Round Bars?
1020 round bars are produced from low-carbon steel containing around 0.20% carbon, making them soft, ductile, and easy to work with. They are commonly supplied under different standards, such as:
- AISI 1020 Round Bar
- SAE 1020 Round Bar
- Carbon Steel SAE 1020 Round Bar
- DIN 1.0402 Annealed Round Bar
- C20 Carbon Steel Round Bar
Because of their versatility, 1020 steel rods are widely used for shafts, pins, bolts, studs, and general engineering components.
SAE 1020 Annealed and Cold-Drawn Round Bars Forms & Finishes Available
We supply 1020 carbon steel bars in multiple forms to suit different industry requirements:
1020 Steel Round Bar
- Used in shafts, rollers, and mechanical components
- Available in hot-rolled and cold-drawn conditions
1020 Bright CS Flat Bar
- Smooth surface and tight tolerance
- Ideal for precision machining
SAE 1020 Square Bar
- Commonly used in frames and structural fabrication
1020 Cold Drawn Bar / Hex Bar
- Better strength and dimensional accuracy
- Suitable for fasteners and machine parts
1020 Hot Rolled Steel Bar
- Economical option for heavy fabrication
DIN 1.0402 Annealed Round Bar
- Softened for bending, forming, and machining
Cold Drawn vs Hot Rolled 1020 Steel Bars
1020 Cold Drawn Bar
- Better surface finish
- Higher dimensional accuracy
- Slightly higher strength
1020 Hot Rolled Steel Bar
- Lower cost
- Rough surface
- Suitable for welding and fabrication
Choosing the right form depends on machining needs, finish requirements, and budget.
1020 Round Bars Quality Control & Testing
Every AISI 1020 carbon steel round bar undergoes strict quality checks:
- Chemical analysis
- Mechanical testing
- Dimensional inspection
- Surface quality checks
- Mill Test Certificate (MTC)
As an experienced supplier of AISI 1020 bright bar, quality and consistency are always prioritised.
Specifications Table – 1020 Steel Round Bar
| Parameter | Details |
| Material Grade | AISI 1020 / SAE 1020 |
| Equivalent Grades | DIN 1.0402, EN C20 |
| Form | Round Bar, Square Bar, Flat Bar, Hex Bar |
| Manufacturing Process | Hot Rolled, Cold Drawn, Forged |
| Finish | Black, Bright, Annealed |
| Size Range | 6 mm to 500 mm (custom sizes available) |
| Length | Random, Cut Length |
| Standards | ASTM, AISI, SAE, DIN, EN |
| Condition | Annealed, Normalized, Cold Drawn |
| Test Certification | EN 10204 3.1 |
Chemical Composition Table – AISI / SAE 1020 Steel
| Element | Percentage (%) |
| Carbon (C) | 0.18 – 0.23 |
| Manganese (Mn) | 0.30 – 0.60 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.050 |
| Iron (Fe) | Balance |
Mechanical Properties of 1020 Steel Round Bars
| Property | Typical Value |
| Tensile Strength | 370 – 485 MPa |
| Yield Strength | 205 – 305 MPa |
| Elongation | 20 – 30% |
| Hardness | 111 – 131 HB |
| Modulus of Elasticity | ~200 GPa |
AISI 1020 vs C20 Carbon Steel
| Standard | Equivalent Grade |
| AISI / SAE | 1020 |
| DIN | 1.0402 |
| EN | C20 |
As a trusted C20 carbon steel round bar manufacturer, supplier, dealer, and stockist, we ensure full traceability and certification with every order.
Applications of 1020 Round Bars
Thanks to their excellent workability, carbon steel 1020 round bars are widely used in:
- Automotive components
- Engineering shafts and pins
- Bolts, studs, and fasteners
- Machine components
- Forged parts and rings
- Agricultural equipment
- General fabrication
We regularly supply C20 forged bars, C20 bright bars, and SAE 1020 annealed round bars for these applications.
Why Choose Us as Your 1020 Round Bar Supplier?
With years of hands-on experience in carbon steel supply, we understand what industries truly need:
- Large inventory of 1020 round bars, square bars, flat bars, and hex bars
- Competitive pricing
- Custom cutting and finishing
- Reliable delivery timelines
- Trusted C20 stockist and dealer network
1020 round bars are a dependable and cost-effective solution for a wide range of engineering and industrial applications. With good strength, excellent machinability, and high availability, AISI 1020 carbon steel round bars continue to be a preferred choice worldwide.
As an experienced C20 carbon steel round bar manufacturer and supplier, we focus on delivering quality material, technical reliability, and customer confidence with every order.
Global Reach
ASC LLP boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality 1020 round bars. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.

