GB/T 6455-1986
abolished_transferred
YS/T 1656-2023
Active
Industry standards-Non-ferrous metals
YS/T 1656-2023 Test method for heat transfer coefficient and resistance characteristics of copper and copper alloy pipes
YS/T 1656-2023 Test method for heat transfer coefficient and resistance characteristics of copper and copper alloy pipes
Basic Information
Standard Code:
YS/T 1656-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for heavy metals and their alloys
ICS Name:
Non-ferrous metals
Publish Date:
2023-12-20
Implement Date:
2024-07-01
Scope
This document is applicable to the testing of the heat transfer coefficient and resistance characteristics of copper and copper alloy bright-surfaced tubes, internally threaded copper tubes, and finned tubes used in heat exchangers.
Development Information
Related Standards
GB/T 8549-1987
abolished_transferred
GB/T 8549-1987 Metallic powder material—Self-fluxing Fe-Cr-B-Si alloy powder
GB/T 13822-1992
Replaced
GB/T 13822-1992 Test specimens for non ferrous diecasting alloys
GB/T 4461-1992
Replaced
GB/T 4461-1992 Thermostatic bimetal strips
GB/T 14146-1993
Replaced
GB/T 14146-1993 Silicon epitaxial layers—Determination of carrier concentration—Mercury probe Valtage-capacitance method
GB/T 6617-1995
Replaced