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Ni65镍基合金粉末
特性说明:
该粉末是高硬度Ni-Cr-B-Si系自熔性合金粉末,较高含量的铬使镍基产生固溶强化,并增强其耐蚀性和抗高温氧化能力,过量的铬与C,B生成硬度极高的硬质相,弥散分布在基体中,大大提高了合金焊层的耐磨性能。
主要用途及工艺:
建议用于耐高温冲蚀磨损,低应力磨粒磨损,硬面磨损等场合,如高压泵活塞杆,泥浆泵柱塞,炼油厂耐酸泵,烟道风机叶片,造纸机磨盘等部件表面硬化。适用于氧-乙炔喷焊及高频重熔工艺,超音速喷涂等工艺。
化学成分与硬度:
规格 | C | B | Si | Cr | Fe | Ni | HRC |
Ni65A | 0.8~1.2 | 3.0~4.0 | 3.5~5.0 | 17.0~20.0 | ≤5 | 余量 | 62~65 |
Ni65B | 0.8~1.2 | 3.0~4.0 | 3.5~5.0 | 17.0~20.0 | ≤17 | 余量 | 62~65 |
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