China National Standards

China Tolerances machining Allowances GB Standards List


  •  China "Tolerances machining Allowances" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 6414-2017 Castings—Dimensional tolerances and geometrical tolerances and machining allowances
    铸件 尺寸公差、几何公差与机械加工余量
    China National Standards
    Tolerances machining Allowances

    English PDF
    GB/T 21471-2008 Machining allowances and tolerances for steel open die forgings on hammer - Shafts
    锤上钢质自由锻件机械加工余量与公差 轴类
    China National Standards
    Tolerances machining Allowances

    English PDF
    GB/T 21470-2008 Machining allowances and tolerances for steel open die forgings on hammer - Disks, columns, rings and seamless cylindrical sleeves
    锤上钢质自由锻件机械加工余量与公差 盘、柱、环、筒类
    China National Standards
    Tolerances machining Allowances

    English PDF
    GB/T 21469-2008 Machining allowances and tolerances for steel open die forgings on hammer - General requirement
    锤上钢质自由锻件机械加工余量与公差 一般要求
    China National Standards
    Tolerances machining Allowances

    English PDF
    GB/T 12362-2003 Tolerances and machining--Allowances ofsteel die forging
    钢质模锻件 公差及机械加工余量
    China National Standards
    Tolerances machining Allowances

    English PDF
    GB/T 6414-1999 Castings--System of dimensional tolerances and machining allowances
    铸件 尺寸公差与机械加工余量
    China National Standards
    Tolerances machining Allowances

    English PDF

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