AMS 5667 Alloy Steel Flat Bar UNS N07750 Grade 688 Wire Rod
AMS 5667 Alloy Steel Flat Bar UNS N07750 Grade 688 Wire Rod
Product Information
AMS 5667 is a high-temperature alloy commonly used in the manufacturing of high-temperature application components, such as aircraft engines, gas turbines, and combustion chambers. This alloy is a cobalt based alloy composed of elements such as cobalt, chromium, molybdenum, and iron.
Size Range
Round bar / Wire rod (Diameter):5.0 mm to 800 mm
Square bar / Flat bar: 5.0 mm to 500 mm
Forging piece: Stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Heavy/middle plate via hot rolled: T2.0 - 800 mm X W10 - 1000 mm X L100-1000 mm
Sheet steel via cold rolled: T1.0 - 10 mm X W5 - 1000 mm X L100 - 1000 mm
Steel strip via cold rolled: T5.0 - 10 mm X W10 - 1500 mm X L (or in coil form)
Length: Fixed length or random length or based on the customer's special requirement.
Chemical Composition and standard
|
AMS 5667P |
Grade 688 / UNS N0775 |
|
SAE AMS 5667P-2020 |
ASTM B 637-2018 |
|
C(％): ≤0.08 Mo(%): - Nb(%): 0.70~1.20 Cu(%): ≤0.50 Ti(%): 2.25~2.75 Al(%): 0.40~1.00 Fe(%): 5.00~9.00 Co(%): ≤1.00 Ta(%): ≤0.05
|
C(％): ≤0.08 Mo(%): - Nb(%): 0.50~2.50 Cu(%): ≤0.50 Ti(%): 2.25~2.75 Al(%): 0.40~1.00 Fe(%): 5.00~9.00 Co(%): ≤1.00 Nb+Ta(%): 0.70~1.20 |
AMS 5667P Mechanical Properties
| Up to 102, excl | 102 to 254, incl | |
| Tensile strength,Rm/MPa | ≥1138 | ≥1103 |
| Yield strength,Rp/MPa | ≥724 | ≥689 |
| Elongation/% | ≥20 | ≥15 |
| Reduction of area, ψ/% | ≥25 | ≥17 |
| Hardness, HB | 302~363 | 302~363 |
Applications
AMS 5667 is widely used in high-temperature application components such as aviation engines, gas turbines, and combustion chambers, such as turbine blades, nozzles, shafts, seals, etc. It has excellent high-temperature performance and oxidation resistance, and can maintain stable performance in high temperatures and harsh environments, helping to improve the efficiency and lifespan of aviation engines.
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