High Strength Nickel Alloy Inconel 718 600 601 625 X-750 Tube Bar
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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Inconel Alloy Series
Inconel is a nickel-chromium-molybdenum alloy designed to resist a wide range of severely corrosive environments, pitting and crevice corrosion. This nickel steel alloy also displays exceptionally high yield, tensile, and creep-rupture properties at high temperatures. This nickel alloy is used from cryogenic temperatures up to long term service at 1200° F. One of the distinguishing features of Inconel 718's composition is the addition of niobium to permit age hardening which allows annealing and welding without spontaneous hardening during heating and cooling. The addition of niobium acts with the molybdenum to stiffen the alloy's matrix and provide high strength without a strengthening heat treatment. Other popular nickel-chromium alloys are age hardened through the addition of aluminum and titanium. This nickel steel alloy is readily fabricated and may be welded in either the annealed or precipitation (age) hardened condition. This superalloy is used in a variety of industries such as aerospace, chemical processing, marine engineering, pollution-control equipment, and nuclear reactors.
App lication area
High temperature components, such as turbine blades, guide vanes, turbine disks, high pressure compressor disks,machine manufacturing and combustion chambers used in the manufacture of aviation, naval and industrial gas turbines.
Product form
Pipe, plate, strip, round rods, flat rods, forgings, wire, special profiles, extrusions.
| Inconel Alloy Series | ||||||||
| Item | 600 | 601 | 617 | 625 | 690 | 718 | X750 | 825 |
| C | ≤0.15 | ≤0.1 | 0.05-0.15 | ≤0.1 | ≤0.05 | ≤0.08 | ≤0.08 | ≤0.05 |
| Mn | ≤1 | ≤1.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.35 | ≤1 | ≤1 |
| Fe | 6-10 | bal | ≤3 | ≤5 | 7-11 | bal | 5-9 | ≥22 |
| P | ≤0.015 | ≤0.02 | ≤0.015 | ≤0.015 | N/A | N/A | N/A | N/A |
| S | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.01 | ≤0.01 | ≤0.03 |
| Si | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.3 | ≤0.5 | ≤0.5 |
| Cu | ≤0.5 | ≤1 | N/A | N/A | ≤0.5 | ≤0.3 | ≤0.5 | 1.5-3 |
| Ni | ≥72 | 58-63 | ≥44.5 | Bal | ≥58 | 50-55 | ≥70 | 38-46 |
| Co | N/A | N/A | 10-15 | ≤1.0 | N/A | ≤1 | ≤1 | N/A |
| Al | N/A | 1-1.7 | 0.8-1.5 | ≤0.4 | N/A | 0.2-0.8 | 0.4-1 | ≤0.2 |
| Ti | N/A | N/A | ≤0.6 | ≤0.4 | N/A | N/A | 2.25- 2.75 |
0.6-1.2 |
| Cr | 14-17 | 21-25 | 20-24 | 20-23 | 27-31 | 17-21 | 14-17 | 19.5-23.5 |
| Nb+T a |
N/A | N/A | N/A | 3.15-4.1 5 | N/A | 4.75-5.5 | 0.7-1.2 | N/A |
| Mo | N/A | N/A | 8-10 | 8-10 | N/A | 2.8-3.3 | N/A | 2.5-3.5 |
| B | N/A | N/A | ≤0.006 | N/A | N/A | N/A | N/A | N/A |
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