GB/T 3879-1983
Replaced
GB/T 1817-2017
Active
National standards
GB/T 1817-2017 Test method for impact toughness of cemented carbidesat room temperature
GB/T 1817-2017 Test method for impact toughness of cemented carbidesat room temperature
Basic Information
Standard Code:
GB/T 1817-2017
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analytical methods for powder metallurgy
ICS Name:
Powder metallurgy
Publish Date:
2017-10-14
Implement Date:
2018-05-01
Pages:
6 pages
Scope
This standard specifies the method for determining the impact toughness of hard alloys at room temperature. This standard is applicable to the determination of the impact toughness of hard alloy materials at room temperature.
Development Information
Replace the following standards
Referenced Standards
GB/T 3808-2002 Verification of pendulum-type impact testing machines(ISO 148-2:1998,Metallic materials—Charpy pendulum impact test—Part 2:Verification of test machines, MOD)
GB/T 3808-2018 Verification of pendulum-type impact testing machines
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
JJG 145-2007 Pendulum Impact Testing Machines
Related Standards
GB/T 4309-1984
Replaced
GB/T 4309-1984 Classification and designation for powder metallurgy materials
GB/T 5124.1-1985
Replaced
GB/T 5124.1-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of total carbon content
GB/T 5124.2-1985
Replaced
GB/T 5124.2-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of free(insoluble) carbon content
GB/T 5124.3-1985
Replaced
GB/T 5124.3-1985 Methods for chemical analysis of hardmetals—The potentiometric method for the determination of cobalt content
GB/T 5124.4-1985
Replaced