GB/T 3656-1983
Replaced
JB/T 6979-1993
Active
Industry standards-Mechanical
JB/T 6979-1993 The quality grading of large and medium-sized steel forged modular components (ultrasonic testing and inclusions) is provided
JB/T 6979-1993 The quality grading of large and medium-sized steel forged modular components (ultrasonic testing and inclusions) is provided
Basic Information
Standard Code:
JB/T 6979-1993
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nTest methods for the physical and chemical properties of metals
ICS Name:
\nMetal material testing
Publish Date:
1993-07-27
Implement Date:
1994-07-01
Pages:
6 pages
Development Information
Related Standards
GB/T 3657-1983
Replaced
GB/T 3657-1983 Measurement method of direct magnetic properties of soft magnetic alloys
GB/T 3849-1983
Replaced
GB/T 3849-1983 Hardmetals—Rockwell hardness (scale A) test method
GB/T 3850-1983
Replaced
GB/T 3850-1983 Impermeable sintered metal materials and hardmetals—determination of density
GB/T 3851-1983
Replaced
GB/T 3851-1983 Hardmetals—determination of transverse rupture strength
GB/T 4326-1984
Replaced