UNS N07718 Round bar Manufacturer
INCONEL® alloy 718 (UNS N07718/W.Nr. 2.4668) is a high-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F
We can supply full size range of UNS N07718 Round bar according to Astm B637
N07718 round bar can be used as the raw material to produce the N07718 Stud bolt,as well as forged N07718 flanges
Astm B637
Standard Specification for Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock for High-Temperature Service
N07718 CHEMICAL COMPOSITION according to B637
| % | Ni | Cr | Fe | Mo | Nb+Ta | Co | C | Mn | Si | S | Cu | Al | TI | P | B |
| MIN | 50 | 17 | BALANCE | 2.8 | 4.75 | – | – | – | – | – | – | 0.2 | 0.65 | – | – |
| MAX | 55 | 21 | 3.3 | 5.5 | 1 | 0.08 | 0.35 | 0.35 | 0.015 | 0.3 | 0.8 | 1.15 | 0.015 | 0.06 |
N07718 Tensile and Hardness requirement
N07718 Heat treatment
Two heat treatments are generally utilized for INCONEL alloy 718: •
Solution anneal at 1700-1850°F followed by rapid cooling, usually in water, plus precipitation hardening at 1325°F for 8 hours, furnace cool to 1150°F, hold at 1150°F for a total aging time of 18 hours, followed by air cooling.
Solution anneal at 1900-1950°F followed by rapid cooling, usually in water, plus precipitation hardening at 1400°F for 10 hours, furnace cool to 1200°F, hold at 1200°F for a total aging time of 20 hours, followed by air cooling.
Why N07718 Round bar?
The age-hardenable alloy can be readily fabricated, even into complex parts. Its welding characteristics, especially its resistance to postweld cracking, are outstanding. The ease and economy with which INCONEL alloy 718 can be fabricated, combined with good tensile, fatigue, creep, and rupture strength, have resulted in its use in a wide range of applications.
Examples of these are components for liquid fueled rockets, rings, casings and various formed sheet metal parts for aircraft and land-based gas turbine engines, and cryogenic tankage. It is also used for fasteners and instrumentation parts.
Available Sizes of N07718 round bar
- Round Bar Diameter: 6mm – 300mm
- Length: Standard 3m, 6m, or custom-cut lengths
- Surface Finish: Black, Bright, Polished, or Centerless Ground
