牌号 | NIMONIC® alloy PK33 |
厂家 | Special Metals Corporation |
分类 | Nickel |
介绍 | NIMONIC® alloy PK33 is a vacuum processed nickel-base alloy that was developed to provide a sheet material offering improved ductility in welded assemblies and high creep strength to replace NIMONIC alloys 80A and 90. NIMONIC alloy PK33 is extremely resistant to thermal shock and thermal fatigue, has good weldability and is, therefore, attractive for combustion chambers, jet pipes and reheat systems for high performance gas turbine engines. Although the alloy was developed as a sheet material, associated forgings and ring components were also required and it is now standard practice to produce forging billet, bar and section for maching using the consumable-electrode vacuum-arc melting process. The welding techniques for this alloy are similar to those in common use on other nickel-base age-hardenable alloys. |
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