A nickel-based alloy, alloy 20. This alloy is a metal with little carbon in it. Niobium has also been added to the chemistry of the DIN 2.4660 Flat Bar, stabilising the alloy. The Alloy 20 Round Bar has exceptional corrosion resistance, especially in chemical conditions, thanks to the addition of nickel and chromium to the alloy's chemical composition. Therefore, any provider of alloy 20 round bars would advise employing these bars in companies that deal with extremely corrosive chemicals including nitric acid, phosphoric acid, chlorides, and sulfuric acid.
The ASTM B473 UNS N08020 Rod's mechanical characteristics function well in both ambient and high-temperature environments. The alloy's increased nickel concentration is what gives the alloy 20 welding rod better high temperature performance. Because nickel is an austenite stabilising agent, this superalloy has an austenitic microstructure, which is why formability is thought to be good.
As a result, the metal could be formed into any shape, including hex bars made of Nickel Alloy 20 or more common shapes like squares or rounds. The most frequent issues with welding stainless steels are that they frequently experience intergranular corrosion. Niobium has stabilised the alloy 200 square bar, preventing precipitates from forming, which would typically cause sensitization of the grain boundary.
| Dimensions | DIN, EN, ASTM, JIS, ASME, BS, AISI |
|---|---|
| Round bar size | Diameter: 3-~800mm |
| Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Rectangular Bars Section | 3.0 to 12.0mm thickness |
| Billet Size | 1/2 to 495mm Diameter |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Dimensions | Diameter / Height: |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Surface | Hot Rolled Pickled, Bright, Sand Blasting Finished, Cold Drawn, Hairline,Polished |
| Condition | Hardened & tempered, annealed |
| Technique | Stainless Steel Cold Drawn, Hot Rolled, Forged Round Bar,Cold Rolled, Rod |
| Processing | Bar cutting to 650mm |
| Form | Rod, Round, Channel Bar, T-Bar, Flat Bar, Precision Ground Bar, Blocks, Square, Rings, Round Rod, Triangle, Hollow, Rectangle, Threaded, Hex (A/F), Profiles, Half Round Bar, Ingot, Billet, I/H Bar, Forging etc. |
Type |
SIZES (mm) |
SIZES (Inches) |
ISO Tolerance |
|---|---|---|---|
Cold Drawn and Polish |
3.00 - 75.00 |
1/8 - 3.00 |
h8-h9-h10-h11 |
Cold Drawn and Ground |
10.00 - 75.00 |
5/6 - 2.50 |
h8-h9-h10-h11 |
Peeled and Polished |
40.00 - 150.00 |
1.50 - 6.00 |
h11, h11-DIN 1013 |
Peeled and Ground |
20.00 - 50.00 |
3/4 - 2.00 |
h9-h10-h11 |
| Grade | Ni | Fe | Cr | Cu | Mo | Nb | C | Mn | P | S | Si |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Alloy 20 | 32 – 38 | Bal | 19 – 21 | 3 – 4 | 2 – 3 | 0.1 – 0.3 | 0.02 max | 1 – 2 | 0.02 max | 0.005 max | 0.7 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi – 80000 , MPa – 551 | Psi – 35000 , MPa – 241 | 30 % |
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | OR | EN |
|---|---|---|---|---|---|---|---|---|
| Alloy 20 | 2.4660 | N08020 | - | Z2NCUD31-20AZ | - | - | - | NiCr20CuMo |
Nickel Alloy 20 Hexagonal Bar |
Nickel Alloy 20 Hex Bar |
ASTM B473 Nickel Alloy 20 Bright Bar |
Alloy 20 Hex Bar |
Alloy 20 Square Bar |
Nickel Alloy 20 Square Bars |
UNS N08020 Inconel Hexagonal Bar |
ASTM B473 Nickel Alloy 20 Hex Bar |
WERKSTOFF NR. 2.4660 Square Bar |
ASTM B473 Nickel Alloy 20 Square Bars |
Nickel Alloy 20 Square Bar |
UNS N08020 Inconel Square Bar |
Nickel Alloy 20 Rectangular Bar |
UNS N08020 Inconel Rectangular Bars |
Alloy 20 Rectangular Bar |
Nickel Alloy 20 Rectangular Bars |
Alloy 20 Flat Bar |
Nickel Alloy 20 Flat Bars |
