JB/T 51138-1999

Product quality grading of engine cylinder block casting

Product quality grading of engine cylinder block casting

Standard Type
JBT
ICS
27.020
CCS
J92
Status
N/A
Issue Date
1999-12-30
Implementation
2000-06-01
Centralized Committee
National Foundry Standardization Committee
Issuing Authority
State Bureau of Machinery Industry

Catalogue

Scope, References, Material, Defect, Test

Scope

Engine casting production, incoming inspection

Applicable to engine cylinder block casting

Normative References

Keywords

Cylinder block casting porosity sand inclusion mechanical property

Application Summary AI generated

1. Graded by internal defect and mechanical property

2. Controls dimensional precision and geometric tolerance

3. Standardizes flaw detection and hydraulic test

4. Classified defect sampling.

Standard Timeline

replaces 51138.3-94
replaces JB/T 51138.1

Related Standards

Content extracted by AI. Not officially verified.