GH4145
About Alloy GH4145
What is GH4145 - UNS N07750 High Temperature Alloy?
Grade GH4145 high temperature alloy, also known as UNS N07750 / W.Nr. 2.4669 alloy, is the most widely used nickel alloy.
GH4145 is world-renowned for its corrosion and oxidation resistance and high strength at temperatures to 1300°F. Although much of the effect of precipitation hardening is lost with increasing temperature over 1300°F, heat-treated material has useful strength up to 1800°F.
GH4145 is widely used in aerospace, automotive, oil and gas, power generation, marine, and chemical processing.
GH4145 - UNS N07750 High Temperature Alloy Standards
SAE AMS 5582
-Seamless Pipe & Tube
SAE AMS 5698
-Wire
ASTM B637
-Rod & Bar
SAE AMS 5542
-Plate, Sheet, Strip & Foil
GH4145 - UNS N07750 High Temperature Alloy Chemical Composition
| Grade | Standard | C | Si | Mn | P | S | Cr | Ni | Ti |
| GH4145/X-750 | AMS 5542 | ≤0.08 | ≤0.50 | ≤1.00 | ≤0.015 | ≤0.010 | 14.00-17.00 | ≥70 | 2.25-2.75 |
GH4145 - UNS N07750 High Temperature Alloy Data Sheet
GH4145 - UNS N07750 High Temperature Alloy Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN | OR |
| GH4145/ X-750 | 2.4669 | N07750 | – | – | – | – | – | – |
GH4145 - UNS N07750 High Temperature Alloy Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| GH4145/X-750 | 910 | 550 | 25 | – | – |
GH4145 - UNS N07750 High Temperature Alloy Applications
GH4145 - UNS N07750 High Temperature Alloy Related Resources
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