Unifit Fastener is a reputed manufacturer, supplier, and exporter of high-performance Inconel round bars of 600 grade, 601 grade, 625 grade, X-750 grade, and 718 grade. These bars are made out of nickel-based alloy, which is designed to work in extreme circumstances and is highly resistant to corrosion, oxidation and high temperatures. The formation of a protective oxide of Inconel is a natural event when exposed to heat, which makes Inconel have a long service life even when subjected to harsh operating conditions.
We also have Inconel round bars, bright bars, hex bars, square bars, flat bars, hollow bars and forged bars all manufactured under the tight control of quality. The Inconel flat bars find application especially in aerospace, marine and chemical processing industries because they are highly resistant to crevice corrosion. Forged Inconel bars will provide greater strength than rolled products because they have a densely solid core structure.
Unifit Fastener also distributes cold-drawn, peeled, machined, polished and machined Inconel bars with improved dimensional accuracy, surface finish and machinability. The bars are common in the valve shafts, pump shafts, piston rods, bearings and other vital industrial parts.
We offer on-hand stocks of various sizes and profiles, which enables us to provide the specific cut lengths with no minimum order level. Unifit Fastener has an excellent global distribution system and thus guarantees rapid delivery, low prices and consistent quality of Inconel bars all over the world.
Select Unifit Fastener to make Inconel solutions that can be depended upon to deliver when all others would fail.
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| Parameter | Details |
|---|---|
| Grade | Inconel – UNS |
| Specification / Standard | ASTM B166 |
| Inconel Round Bar Size | Diameter: 3 mm – 800 mm |
| Inconel Angle Bar Size | 3 mm × 20 mm × 20 mm to 12 mm × 100 mm × 100 mm |
| Inconel Square Bar Size | 4 mm × 4 mm to 100 mm × 100 mm |
| Inconel Flat Bar Size | Thickness: 2 mm – 100 mm Width: 10 mm – 500 mm |
| Inconel Hex Bar Size | 2 mm – 100 mm |
| Inconel Billet Size | ½ inch to 495 mm Diameter |
| Inconel Rectangle Size | 33 mm × 30 mm to 295 mm × 1066 mm |
| Finish | Bright, Polished, Rough Turned, Grinding, Centreless Ground, Black |
| Tolerance | H8, H9, H10, H11, H12, H13, K9, K10, K11, K12 or as per client requirement |
| Surface Condition | Hot Rolled Pickled, Sand Blasted, Cold Drawn, Bright, Polished, Hairline |
| Delivery Condition | Cold Drawn & Polished, Centreless Ground & Polished, Annealed |
| Manufacturing Technique | Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rod |
| Inconel Bar Types | Drawn Bar, Rolled Bar, Forged Bar, GFM Forged Bar, Open Die Bar, Forged Stepped Shafts, Forged Flat Bar, Forged Square Bar |
| Available Forms | Round, Rod, Precision Ground Bar, Square, Hollow, Hex (A/F), Triangle, Rectangle, Threaded, T-Bar, Half Round Bar, Flat Bar, Rings, Blocks, Billet, Ingot, I/H Bar, Angle, Channel Bar, Profiles, Forgings |
| NACE Compliance | NACE MR0175 / ISO 15156 |
| Grade | Werkstoff Nr. | UNS | BS | GOST | JIS | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| Inconel 718 | 2.4668 | N07718 | — | — | — | — | — |
| Inconel 600 | 2.4816 | N06600 | NA 13 | ЭИ868 | NCF 600 | NC15FE11M | NiCr15Fe |
| Inconel 625 | 2.4856 | N06625 | NA 21 | ЭИ602 | NCF 625 | NC22DNB4M | NiCr22Mo9Nb |
| Incoloy 800 | 1.4876 | N08800 | NA 15 | ЭИ670 | NCF 800 | Z8NC32-21 | X10NiCrAlTi32-20 |
| Incoloy 825 | 2.4858 | N08825 | NA 16 | ЭП703 | NCF 825 | NFE30C20DUM | NiCr21Mo |
| Grade | Ni | Mn | Fe | Si | Cr | Mo | C | Cu | S | Co | Ti | Nb | Al |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inconel 718 | 50–55 | 0.35 max | — | 0.35 max | 17–21 | 2.8–3.3 | 0.08 max | 0.3 max | 0.015 max | 1.0 max | — | — | — |
| 601 | 58–63 | 1.0 max | Balance | 0.50 max | 21–25 | 8–10 | 0.10 max | 1.0 max | 0.015 max | — | — | — | 1.0–1.7 |
| 625 | 58 max | 0.50 max | 5.0 max | 0.50 max | 20–23 | 8–10 | 0.10 max | — | 0.015 max | 1.0 max | 0.40 max | 3.15–4.15 | 0.40 max |
| 600 | 72 min | 1.0 max | 6–10 | 0.5 max | 14–17 | — | 0.15 max | 0.5 max | 0.015 max | — | — | — | — |
| Type | Size (mm) | Size (in.) | ISO Tolerance |
|---|---|---|---|
| Peeled & Polished | 40 – 150 | 1.5″ – 6″ | h11 |
| Cold Drawn & Polished | 3 – 75 | 1/8″ – 3″ | h8 – h11 |
| Peeled & Ground | 20 – 50 | 3/4″ – 2″ | h9 – h11 |
| Cold Drawn & Ground | 10 – 75 | 5/16″ – 2.5″ | h8 – h11 |
| Size | kg/ft | kg/m |
|---|---|---|
| 22 mm | 0.908 | 2.979 |
| 36 mm | 2.438 | 7.999 |
| 48 mm | 4.330 | 14.205 |
| 25 mm | 1.180 | 3.871 |
| 27 mm | 1.368 | 4.490 |
| 26 mm | 1.271 | 4.170 |
| 30 mm | 1.691 | 5.548 |
| 32 mm | 1.894 | 6.314 |
| 35 mm | 2.390 | 7.553 |
| 38 mm | 2.792 | 8.903 |
| 40 mm | 3.009 | 9.872 |
| 45 mm | 3.807 | 12.555 |
| 50 mm | 4.698 | 15.414 |
| 60 mm | 6.768 | 22.205 |
| 1″ | 1.210 | 3.970 |
| 1-1/8″ | 1.534 | 5.033 |
| 1-1/4″ | 1.924 | 6.349 |
| 1-3/8″ | 2.303 | 7.550 |
| 1-5/8″ | 3.200 | 10.449 |
| 1-3/4″ | 3.712 | 12.179 |
| 1-7/8″ | 4.260 | 13.977 |
| 2″ | 4.848 | 15.906 |
| 2-1/8″ | 5.475 | 17.963 |
| 2-1/4″ | 6.135 | 20.128 |
| 2-3/8″ | 6.838 | 22.435 |
| 2-1/2″ | 7.576 | 24.856 |
| 2-5/8″ | 8.354 | 27.409 |
| 2-3/4″ | 9.169 | 30.083 |
| 3-1/4″ | 12.800 | 41.996 |
| 3-1/2″ | 14.850 | 48.772 |
| 4″ | 19.306 | 63.340 |
| 4-1/4″ | 21.908 | 72.249 |
| 4-1/2″ | 24.449 | 80.340 |
| 4-3/4″ | 27.366 | 90.249 |
| 5″ | 30.461 | 99.940 |
| 5-1/2″ | 36.690 | 121.000 |
| 6″ | 43.860 | 143.900 |
| 6-1/2″ | 51.093 | 167.630 |
| 7″ | 59.432 | 196.000 |
| 7-1/2″ | 68.226 | 225.000 |
| 8″ | 77.586 | 254.550 |
| 10″ | 121.048 | 397.140 |
| Size (in.) | Weight per Ft (lbs) | Weight per 12 ft (lbs) |
|---|---|---|
| 3/16″ | 0.104 | 1.248 |
| 1/4″ | 0.180 | 2.160 |
| 5/16″ | 0.290 | 3.480 |
| 3/8″ | 0.625 | 4.920 |
| 7/16″ | 0.560 | 6.72 |
| 1/2″ | 0.740 | 8.880 |
| 9/16″ | 0.930 | 11.16 |
| 5/8″ | 1.150 | 13.80 |
| 11/16″ | 1.390 | 16.68 |
| 3/4″ | 1.660 | 19.92 |
| 13/16″ | 1.950 | 23.40 |
| 7/8″ | 2.300 | 27.60 |
| 15/16″ | 2.625 | 31.20 |
| 1″ | 2.90 | 34.80 |
| 1-1/16″ | 3.30 | 39.60 |
| 1-5/16″ | 5.100 | 61.20 |
| 1-3/8″ | 5.625 | 67.20 |
| 1-7/16″ | 6.100 | 73.20 |
| 1-5/8″ | 7.800 | 93.60 |
| 1-3/4″ | 9.030 | 108.36 |
| 1-7/8″ | 10.400 | 124.80 |
| 2″ | 11.80 | 141.60 |
| 2-1/4″ | 14.920 | 179.04 |
| 2-3/8″ | 16.920 | 203.04 |
| 2-1/2″ | 18.42 | 221.04 |
| 3″ | 26.53 | 318.36 |
| Flat Size (mm) | Length (m) | kg/m | Colour Code |
|---|---|---|---|
| 20 × 10 | 6.0 | 1.61 | Yellow |
| 200 × 16 | 6.0 | 25.7 | Grey |
| 100 × 25 | 6.0 | 20.1 | Purple |
| 300 × 8 | 6.0 | 19.3 | Red |
| 130 × 20 | 6.0 | 20.9 | Green |
| 13 × 3 | 6.0 | 0.31 | Blue |
| 16 × 8 | 6.0 | 1.03 | Red |
| 25 × 12 | 6.0 | 2.41 | Pink |
| 65 × 25 | 6.0 | 13.1 | Purple |
| 150 × 16 | 6.0 | 19.3 | Grey |
| 32 × 12 | 6.0 | 3.09 | Pink |
| 10 × 3 | 6.0 | 0.24 | Blue |
| 250 × 12 | 6.0 | 24.1 | Pink |
| 180 × 5 | 6.0 | 7.24 | Orange |
| 50 × 25 | 6.0 | 10.1 | Purple |
| 40 × 20 | 6.0 | 6.14 | Green |
| 75 × 40 | 6.0 | 24.1 | Yellow |
| 90 × 12 | 6.0 | 8.69 | Pink |
| 110 × 12 | 6.0 | 10.6 | Pink |
| Manufacturing | Grade | Specification | DFARS | Diameter (in.) |
|---|---|---|---|---|
| Hot Finished | 601 | AMS 5715 | No | 0.3125 |
| Hot Finished | 600 | ASME SB564, ASTM B166 | No | 1.2500 |
| Cold Finish | 600 | ASME SB166, ASTM B166 | Yes | 0.3125 |
| Hot Finished | 625 | PWA 300, AMS 5666 | No | 1.5000 |
| — | 825 | ASME SB425, ASTM B425 | No | 1.2500 |
| Cold Drawn | 601 | AMS 5715 | No | 0.1875 |
| Hot Finished | 625 | ASME SB446, AMS 5666 | No | 1.0000 |
| Hot Finished | 718 | AMS 5662 / CPW-A-5662 | No | 1.2500 |
| — | 825 | ASME SB425, ASTM B425 | No | 1.0000 |
| — | 800H | ASME SB408, ASTM B408 | No | 1.2500 |
| Hot Finished | 718 | AS 6279, AMS 5662 | No | 1.2500 |
| — | 800HT | ASME SB564, ASTM B408 | No | 1.2500 |
| ASTM / Canadian | Size | Metric (mm) | Size | Japanese (mm) | Size | US Bar (in.) | Size |
|---|---|---|---|---|---|---|---|
| 500 | 25M | 7 | 7 | 16 | 16 | 0.625 | #5 |
| 20 | 20 | 44 | 44 | — | — | 1.750 | #14 |
| 100 | 10M | 5 | 5 | 6 | 6 | 0.250 | #2 |
| 16 | 16 | 38 | 38 | — | — | 1.500 | #12 |
| 700 | 30M | 8 | 8 | 19 | 19 | 0.750 | #6 |
| 18 | 18 | 41 | 41 | — | — | 1.625 | #13 |
| 1500 | 45M | 10 | 10 | 25 | 25 | 1.000 | #8 |
| 14 | 14 | 35 | 35 | — | — | 1.375 | #11 |
| 1000 | 35M | 9 | 9 | 22 | 22 | 0.875 | #7 |
| 25 | 25 | 51 | 51 | — | — | 2.000 | #16 |
| 2500 | 55M | 11 | 11 | 29 | 29 | 1.125 | #9 |
| 22 | 22 | 48 | 48 | — | — | 1.875 | #15 |
| 28 | 28 | 57 | 57 | — | — | 2.250 | #18 |
| 300 | 20M | 6 | 6 | 13 | 13 | 0.500 | #4 |
| Formula No. | Weight Formula (kg/m) | Based On | Parameters |
|---|---|---|---|
| 1 | R² ÷ 40.5 | Radius | OD = Outside Diameter (mm) R = OD ÷ 2 (mm) |
| 2 | R² × 0.02466 | Radius | OD = Outside Diameter (mm) R = OD ÷ 2 (mm) |
| 3 | OD² × 0.00617 | Diameter | OD = Outside Diameter (mm) |
| 4 | OD² ÷ 162 | Diameter | OD = Outside Diameter (mm) |
| 5 | 0.0007854 × OD × OD × 7.85 | Density-based | OD = Outside Diameter (mm) Density ≈ 7.85 g/cm³ |
Inconel bars are widely used in industries where high strength, corrosion resistance, and thermal stability are essential. Common applications include:
Inconel alloys retain their mechanical strength and form a protective oxide layer at elevated temperatures, preventing oxidation and scaling.
Yes, Inconel bars offer excellent resistance to corrosion, crevice corrosion, and oxidation in both aqueous and high-temperature environments.
Yes, Inconel bars can be supplied in exact cut lengths with finishes such as cold drawn, peeled, ground, polished, or machined.
Aerospace, oil & gas, marine, chemical processing, power generation, and heavy engineering industries widely use Inconel bars.