多金属N155是一种镍-铬-钴合金,添加钼和钨,通常用于要求高达1350℉的高强度和高达1800℉的抗氧化性的零件。其高温性能在供应条件下是固有的(在2150℉下进行固溶处理),不依赖于时效硬化。Multimet N155用于许多航空航天应用,如尾管和尾锥、涡轮叶片、轴和转子、加力燃烧室部件和高温螺栓。
Multimet N155镍铬钴基合金
Multimet N155镍合金是一种镍/铬/钴基合金,基本不含碳。其他功能包括:
· 符合AMS 5532规范
· 符合AMS 5768规格
· 延展性好
· 优异的抗氧化性
· 易于制造和加工
· 高温品质好
· 保持高强度和韧性
· 可以锻造或加工
Multimet N155化学成分 | |
C | 0.08- 0.16 |
MN | 1.0- 2.0 |
Si | 1.0 max |
Cr | 20.0- 22.5 |
Ni | 19.0- 21.0 |
Mo | 2.5- 3.5 |
Co | 18.5- 21.0 |
N | 0.10- 0.20 |
W | 2.0- 3.0 |
Cb+Ta | 0.75- 1.25 |
Multimet N155镍合金用于许多工业应用,其中包括:
· 空中和陆地涡轮发动机
· 飞机尾锥和尾管
· 飞机排气歧管
· 飞机燃烧室
· 加力炉
· 桶和螺栓
Multimet N155 is a Nickel-Chromium-Cobalt alloy with additions of Molybdenum and Tungsten used typically in parts requiring high strength up to 1350°F and oxidation resistance up to 1800°F. Its high-temperature properties are inherent in the as-supplied condition (solution treated at 2150°F) and are not dependent on age-hardening. Multimet N155 is used in a number of aerospace applications such as tailpipes and tail cones, turbine blades, shafts and rotors, afterburner components and high-temperature bolts.
Alloy Multimet N155 (AMS 5532 / AMS 5769)
Chemical Composition Limits | |||||||||||||
Weight % | C | Mn | Si | P | S | Cr | Ni | Co | Mo | W | Nb | N | Fe |
Multimet N155 | 0.08-0.16 | 1.00-2.00 | 1.00 max | 0.040 max | 0.030 max | 20.00-22.50 | 19.00-21.00 | 18.50-21.00 | 2.50-3.50 | 2.00-3.00 | 0.75-1.25 | 0.10-0.20 | Bal |
Material | Form | Ultimate Tensile Strength ksi | Elongation in 2" (min) | Hardness Hb |
Multimet N155 | Bar (AMS 5769) | 156-217 | ||
Multimet N155 | Sheet / Plate (AMS 5532) | 110-140 | 40 | - |
Availability
Multimet N155 is available in Bar, Sheet, Plate and Welding Wire. For all stock availability contact Sales.
Specifications
AMS 5532 Sheet, Plate and Strip
AMS 5769 Bars, Rings and Forgings
AMS 5794 Welding Wire
AMS 5795 Coated Electrodes
UNS R30155
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