| Size Range | 20mm to 250mm |
|---|---|
| Length | 1-6meter |
| Standards | Astm, Asme, Din, Nf, Jis, En, Ios |
| Finished | Black, Bright, Cold Drawn, Polish, Polished, Centreless Ground |
20MnCr5 Alloy Steel Round Bar Manufacturer in India
Nippon Alloys Inc is a 20MnCr5 Alloy Steel Round Bar Manufacturer that deals in manufacturing strong and durable bars made out of materials such as carbon steel, stainless steel, and galvanized wires. These are low-carbon case-hardening steels that are well-made in wear resistance as well as good core strength. Designed to withstand a rugged working environment, they comply with worldwide international standards DIN EN and BS 970 and can hence be used in precision automotive, agricultural, and construction industry components. Uncover our full selection of Alloy Steel Round Bar optimized for heavy-duty use.
Chemical Composition – 20MnCr5 Alloy Steel Round Bar
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.17 – 0.22 |
| Manganese (Mn) | 1.10 – 1.40 |
| Chromium (Cr) | 1.00 – 1.30 |
| Silicon (Si) | ≤ 0.40 |
| Sulphur (S) | ≤ 0.035 |
| Phosphorus (P) | ≤ 0.035 |
| Iron (Fe) | Balance |
Mechanical Properties – 20MnCr5 Alloy Steel Round Bar
| Property | Value |
|---|---|
| Tensile Strength | 800 – 1000 MPa (case hardened) |
| Yield Strength | ≥ 550 MPa |
| Elongation | ≥ 9% |
| Hardness (Core) | 220 – 280 HB |
| Surface Hardness | 58 – 62 HRC (after carburizing) |
| Impact Strength | Good |
Physical Properties – 20MnCr5 Alloy Steel Round Bar
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting Point | ~1420°C |
| Modulus of Elasticity | 210 GPa |
| Thermal Conductivity | 42 W/m·K |
Coming in a range of sizes, 20 mm-250 mm with a length up to 6 meters, 20MnCr5 round bars would be suitable in cases that need the toughness alongside the machinability. Our B2B portals allow customers to see a tried-and-tested bulk order supply chain and the certainty of 20MnCr5 Alloy Steel Round Bars product quality. Simple to transport, highly durable in use, and ideally suited to industries where sustained strength and easy fitting are essential. These bars provide the performance and reliance needed when it comes to mass production or any of the assembly task.
Type of Sub-products
Hot Rolled Bar Hot Rolled Bar
Manufactured through hot rolling, these bars offer a rougher finish and are used in applications where dimensional precision is less critical.
Case Hardened Bar Case Hardened Bar
These bars are heat treated for a hardened exterior with a tough interior. Primarily used in gear systems and wear intensive mechanical parts.