Heavy Machine Bureau of National Mechanical Industry Committee
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This standard is applicable to the casting casted in sand mould or the casting mould with similar thermal conductivity with the sand mould.
1 Manufacture
The steelmaking method, castings production process and heat treatment process are determined by the manufacturer.
2 Chemical Composition
The chemical composition of alloy cast steel shall be in accordance with those specified in Table 1.
Table 1 Chemical Composition of Alloy Cast Steel
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3 Mechanical Performance
The mechanical performance of alloy steel castings after the final heat treatment shall be in accordance with those specified in Table 2.
Table 2 Mechanical Performance of the Sample Under Room Temperature and Application Examples
This standard is applicable to the casting casted in sand mould or the casting mould with similar thermal conductivity with the sand mould.
1 Manufacture
The steelmaking method, castings production process and heat treatment process are determined by the manufacturer.
2 Chemical Composition
The chemical composition of alloy cast steel shall be in accordance with those specified in Table 1.
Table 1 Chemical Composition of Alloy Cast Steel
......
......
3 Mechanical Performance
The mechanical performance of alloy steel castings after the final heat treatment shall be in accordance with those specified in Table 2.
Table 2 Mechanical Performance of the Sample Under Room Temperature and Application Examples