Mechanical parts such as spheroidal graphite cast iron and gears using the same
Abstract
Abstract Translated from Japanese (57)【要約】 【課題】 伸びが25%以上で容易に塑性加工を行うこ とができる球状黒鉛鋳鉄にする。 【解決手段】 化学成分が重量%で、C:3.5〜4. 0、Si:1.2〜2.4、Mn:0.1〜1.0、 P:≦0.05、S:≦0.05、Mg:0.02〜 0.05、及びNi:0.1〜2.0とMo:0.1〜 1.0の少なくとも一方、残りFeであり、かつMg/ P≦1.5であり、フェライト化率を90%以上にし た。 (57) [Problem] To provide a spheroidal graphite cast iron having an elongation of 25% or more and capable of easily performing plastic working. SOLUTION: The chemical component is% by weight, and C: 3.5-4. 0, Si: 1.2 to 2.4, Mn: 0.1 to 1.0, P: ≦ 0.05, S: ≦ 0.05, Mg: 0.02 0.05, and Ni: 0.1 to 2.0 and Mo: 0.1 to 1.0 and at least one of Fe and Mg / P ≦ 1.5, and the ferrite conversion rate was set to 90% or more.
Inventors
- 👤 Nariaki Yamanaka
- 👤 成昭 山中
- 👤 Kunihisa Sada
- 👤 邦寿 佐田
- 👤 Shuichi Eto
- 👤 修一 江藤
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