This part in JB/T 5000 specifies the technical requirements, test methods. test rules, label and packing of the carbon and low alloy steel castings for heavy machinery.
This part is applicable to the carbon and low alloy steel castings cast in sand mould or the casting mould with equivalent thermal conductivity with the sand mould.
This part is not applicable to such special steel grades as high manganese steel, heat-resistant steel and stainless steel.
Foreword I
1 Scope
2 Normative References
3 Specifications
3.1 Grade, chemical composition and mechanical property
3.2 Surface quality
3.3 Repair welding
3.4 Dimensional tolerance
3.5 Finishing allowance
3.6 Weight deviation
3.7 Pattern draft
3.8 Tortuosity ratio
4 Test Methods and Test Rules
4.1 Chemical analysis
4.2 Mechanical test
4.3 Surface inspection
4.4 Dimension inspection
5 Marks and Packing
5.1 Marks and quality certificate
5.2 Painting and packing
Figure 1 Dimensional Tolerance and Extreme Dimension
Figure 2 Maximal Shifting
Figure 3 Maximal Overall dimension of Finished Casting after Final Mechanical Processing
Figure 4 Cast Steel Disc
Figure 5 Single-cast Test Block for Mechanical Property
Table 1 Chemical Composition of Carbon Steel
Table 2 Mechanical Property of Carbon Steel
Table 3 Chemical Composition of Low-alloy Steel
Table 4 Mechanical Property of Low-alloy Steel
Table 5 Roughness of Cast Surface
Table 6 Cutting Surplus of Casting Head
Table 7 Dimensional Tolerance Value of Casting
Table 8 Finishing Allowance
Table 9 Blank Dimension of Cast Steel Disc
Table 10 Weight Deviation of Casting
Table 11 Tortuosity Ratio of Casting
This part in JB/T 5000 specifies the technical requirements, test methods. test rules, label and packing of the carbon and low alloy steel castings for heavy machinery.
This part is applicable to the carbon and low alloy steel castings cast in sand mould or the casting mould with equivalent thermal conductivity with the sand mould.
This part is not applicable to such special steel grades as high manganese steel, heat-resistant steel and stainless steel.
Contents of JB/T 5000.6-2007
Foreword I
1 Scope
2 Normative References
3 Specifications
3.1 Grade, chemical composition and mechanical property
3.2 Surface quality
3.3 Repair welding
3.4 Dimensional tolerance
3.5 Finishing allowance
3.6 Weight deviation
3.7 Pattern draft
3.8 Tortuosity ratio
4 Test Methods and Test Rules
4.1 Chemical analysis
4.2 Mechanical test
4.3 Surface inspection
4.4 Dimension inspection
5 Marks and Packing
5.1 Marks and quality certificate
5.2 Painting and packing
Figure 1 Dimensional Tolerance and Extreme Dimension
Figure 2 Maximal Shifting
Figure 3 Maximal Overall dimension of Finished Casting after Final Mechanical Processing
Figure 4 Cast Steel Disc
Figure 5 Single-cast Test Block for Mechanical Property
Table 1 Chemical Composition of Carbon Steel
Table 2 Mechanical Property of Carbon Steel
Table 3 Chemical Composition of Low-alloy Steel
Table 4 Mechanical Property of Low-alloy Steel
Table 5 Roughness of Cast Surface
Table 6 Cutting Surplus of Casting Head
Table 7 Dimensional Tolerance Value of Casting
Table 8 Finishing Allowance
Table 9 Blank Dimension of Cast Steel Disc
Table 10 Weight Deviation of Casting
Table 11 Tortuosity Ratio of Casting
