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纺织机铸件

参照标准: ASTM  A126  Class

铸件性能要求: 抗拉强度 σb ≥250 MPa

铸件硬度: HB=180-220

铸件化学成分: 含P≤0.75%   含S≤0.15%

铸件粗糙度: √0.5

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