


Cold drawn, centreless ground & polished. Used in shafts, fasteners, machined components.
Across-flat 18mm–57mm. Ideal for bolt, nut & valve body machining applications.
Used in structural fabrication, tooling and engineering. Custom sizes available.
Width ½" to 10", thickness 2mm to 150mm. Sheared & edged or hot-rolled condition.
Seamless hollow bar for bushings, sleeves & valve bodies. Saves machining time.
Hot forged for superior grain structure. Heavy-duty industrial and aerospace use.
Alloy 20 Round Bars are supplied in annealed condition, each bar certified under UNS N08020 with complete test reports.
| Product Name | Alloy 20 Round Bar |
| Material Grade | Alloy 20 (Carpenter 20 CB-3®) |
| UNS Number | N08020 |
| Werkstoff No. | 2.4660 |
| Specifications | ASTM B473 / ASME SB473 |
| Standards | ASTM, ASME, DIN, EN, JIS, ISO |
| Diameter | 5 mm to 500 mm |
| Length | 100 mm to 6000 mm, Custom Cut Length |
| Condition | Hot Rolled, Cold Drawn, Annealed, Bright Drawn |
| Surface Finish | Black, Bright Polished, Rough Turned, No.4 Finish, BA Finish |
| Forms | Round, Square, Hexagonal, Flat, Rectangle, Billet, Forged |
| Tolerance | H8, H9, H10, H11, H12, H13, K9, K10, K11, K12 or as per customer requirement |
| Test Certificate | EN 10204 3.1, Mill Test Certificate (MTC), PMI Test, Third Party Inspection |
The balanced chemistry of Alloy 20 Round Bars was designed specifically for sulphuric acid environments at every concentration.
Global buyers specify Alloy 20 Round Bars confidently because its UNS and WNR identities are recognised everywhere.
From pump shafts to fasteners, Alloy 20 Round Bars hold their tensile and yield values under continuous mechanical stress.
| Property | Value |
|---|---|
| Density | 8.10 g/cm³ |
| Melting Point | 1443°C (2430°F) |
| Tensile Strength | 551 MPa (80 ksi) |
| Yield Strength (0.2% Offset) | 241 MPa (35 ksi) |
| Elongation | 30% |
| Hardness | 217 HB Max |
| Modulus of Elasticity | 195 GPa |
| Thermal Conductivity | 11.5 W/m·K |
| Electrical Resistivity | 0.98 µΩ·m |
| Diameter (mm) | Weight (Kg/Meter) |
|---|---|
| 6 | 0.23 |
| 8 | 0.41 |
| 10 | 0.64 |
| 12 | 0.92 |
| 16 | 1.64 |
| 20 | 2.55 |
| 25 | 3.99 |
| 30 | 5.74 |
| 40 | 10.20 |
| 50 | 15.94 |
| 60 | 22.95 |
| 75 | 35.86 |
| 100 | 63.76 |
| Product Form | Available Size |
|---|---|
| Round Bar | 5 mm – 500 mm Diameter |
| Square Bar | 5 mm – 100 mm |
| Hex Bar | 5 mm – 100 mm |
| Flat Bar | 3 mm – 100 mm Width |
| Forged Bar | Up to 500 mm Diameter |
| Length | 100 mm, 1 Meter, 3 Meter, 6 Meter & Custom Cut Length |
| Available Shapes | Round, Square, Hexagonal, Flat, Rectangle, Billet, Forged |
| Alloy 20 Bright Round Bar | UNS N08020 Black Round Bar |
| WNR 2.466 Polished Round Bar | EN NiCr20CuMo Peeled Round Bar |
| Alloy 20 Turned Round Bar | UNS N08020 Ground Round Bar |
| WNR 2.466 Hot Rolled Round Bar | EN NiCr20CuMo Cold Drawn Round Bar |
| UNS N08020 Bright Round Bar | WNR 2.466 Black Round Bar |
| EN NiCr20CuMo Polished Round Bar | Alloy 20 Peeled Round Bar |
| UNS N08020 Turned Round Bar | WNR 2.466 Ground Round Bar |
| EN NiCr20CuMo Hot Rolled Round Bar | Alloy 20 Cold Drawn Round Bar |
| WNR 2.466 Bright Round Bar | UNS N08020 Polished Round Bar |
| Alloy 20 Peeled Round Bar | EN NiCr20CuMo Black Round Bar |
Multinox INC offers WNR 2.466 Round Bar at one of the most competitive prices in India. Request the latest Pricelist using the contact form here.