Nickel Alloy / Open-Die Forgings / W.Nr. 2.4663
2.4663
2.4663 is a nickel-chromium-cobalt-molybdenum alloy with an aluminium addition (Alloy 617 / Inconel 617, UNS N06617). It keeps high strength and stability at high temperature. We supply 2.4663 as open-die forged rings, flanges, bars, discs, shafts and tubes to your drawing.
- Material No.
- 2.4663 / 2.4663A
- UNS
- N06617
- Common Name
- Alloy 617
- Type
- NiCrCoMo + Al
- Standard
- EN
01 2.4663 forged products we make
We make 2.4663 forgings to the client requirement, drawing or dimensions. Standard open-die forged shapes:
- Rings and rolled rings - 2.4663 forged rings and seamless rolled rings
- Flanges - 2.4663 forged flanges
- Bars - 2.4663 forged round bars
- Discs and disks - 2.4663 forged discs and disks
- Shafts - 2.4663 forged shafts and spindles
- Tubes and sleeves - 2.4663 forged tubes, sleeves, bushings and tube sheets
- Pipes - 2.4663 forged pipes
02 Equivalent designations
2.4663 is known under these equivalent designations:
| Standard / System | Designation |
|---|---|
| Material number (W.Nr., EN/DIN) | 2.4663 / 2.4663A |
| UNS (USA) | N06617 |
| Trade name | Alloy 617 / Inconel 617 |
| Chemical designation | NiCr23Co12Mo |
Equivalents are for reference. The final grade and specification are confirmed against your order.
03 Chemical composition of 2.4663
The chemical composition of 2.4663 (mass %) is as follows:
| % | C | Mn | Cr | Mo | Ni | Co | Ti | Fe | Al |
|---|---|---|---|---|---|---|---|---|---|
| min. | 0.05 | — | 20.0 | 8.0 | Rest | 10.0 | 0.20 | — | 0.80 |
| max. | 1.0 | 0.70 | 23.0 | 10.0 | Rest | 13.0 | 0.60 | 2.0 | 1.50 |
04 Mechanical properties of 2.4663
Mechanical properties in the solution-annealed condition (bar / forging):
| Property | Value |
|---|---|
| Tensile strength Rm (MPa) | 680 - 950 |
| Yield Rp 0.2 (MPa) | ≥ 300 |
| Yield Rp 1.0 (MPa) | ≥ 330 |
| Elongation A (%) | l ≥ 35, q/t ≥ 30 |
| Impact energy Av (J) | l ≥ 120, q ≥ 80 |
| Grain size | ≤ 5 |
05 Applications of 2.4663 forgings
2.4663 forgings are used in chemical, power, oil and gas, and heavy machinery industries. Typical uses:
Pumps
Rolled rings and shafts for chemical pumps and plunger pumps.
Pressure equipment
Shafts, pipes, tubes, tube sheets and flanges for pressure vessels, air receivers and shell and tube heat exchangers.
Process plant
Shafts, flanges, rings and pipes for columns and towers, tanks, silos, process modules and preheaters.
Oil and gas
Bushings, sleeves, disks and discs for subsea and deepwater offshore production, air compressors, power and nitrogen generators.
Mills
Open-die forgings, nozzles and crankshafts for cement, sugar and concrete mills and mixers.
Valves
Valve stems, seat rings, blocks and bodies for ball, check, globe, gate and plug valves and strainers.
Power transmission
Rings, spindles, bars and gears for turbines, gas compressors and gear boxes.
Wellhead and heavy machinery
Nozzles, eccentric shafts, wheels, manifolds and forging rolls for wellhead / Christmas trees, shipbuilding, paper and pulp, and pharmaceutical / biochemistry.
06 Testing and certification
| Ultrasonic testing | EN 10228-3 / SEP 1921 / ASTM A388 |
|---|---|
| Material certificate | EN 10204-3.1, or EN 10204-3.2 (third party) |
| Melting route | EAF + VOD + ESR |
| Heat treatment | Solution treatment + ageing |
| Supply standard | EN |
Send us the size or drawing of the 2.4663 forged part you need, and we will quote the best price.
07 Frequently asked questions
What is material 2.4663?
Who manufactures 2.4663 forgings?
What forged shapes are available in 2.4663?
How is 2.4663 melted and heat treated?
What testing and certification do you provide?
What is the chemical composition of 2.4663?
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Request a quote for 2.4663 forgings
Send us the size, quantity or drawing of the 2.4663 (Alloy 617) forged part you need. We will quote the best price and supply with full certification.
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