GB/T 6579-1986
Replaced
GB/T 39428-2020
Active
National standards
GB/T 39428-2020 Steel castings by sand casting—Visual examination method of surface quality
GB/T 39428-2020 Steel castings by sand casting—Visual examination method of surface quality
Price:
$ 75
Basic Information
Standard Code:
GB/T 39428-2020
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Casting
ICS Name:
Laboratory equipment and related instruments
Publish Date:
2020-11-19
Implement Date:
2021-06-01
Pages:
22 pages
Scope
This standard specifies the visual inspection method and quality grades for the surface quality of cast steel parts cast by sand casting.
This standard is applicable to cast steel parts cast by sand casting.
Development Information
Referenced Standards
Adopt standards
ISO 11971:2020
Related Standards
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Replaced
GB 7230-1987 Gas detector tube units
GB/T 8762.7-1988
Replaced
GB/T 8762.7-1988 Europium oxide of phosphor grade—Determination of cerium oxide, praseodymium oxide, samarium oxide, gadolinium oxide and dysprosium oxide contents—Spectrochemical method and direct spectrographic method
GB/T 11414-1989
Replaced
GB/T 11414-1989 Laboratory glassware—Bottles
GB/T 11415-1989
Active
GB/T 11415-1989 Laboratory sintered (fritted) filters—Porosity grading, classification and designation
GB/T 12519-1990
Replaced