Standards

YS/T 309-1998 Abolished

YS/T 309-1998 Aluminium rare-earth alloy ingot for remelting

Publish Date: 1998-11-03

YS/T 257-1998 Replaced

YS/T 257-1998 Indium

Publish Date: 1998-11-03

YS/T 259-1996 Replaced

YS/T 259-1996 Tantalum powders for metallurgy

Publish Date: 1996-02-02

YS/T 258-1996 Replaced

YS/T 258-1996 Niobium powders for metallurgy

Publish Date: 1996-02-02

YS/T 223-1996 Replaced

YS/T 223-1996 Selenium

Publish Date: 1996-02-02

YS/T 222-1996 Replaced

YS/T 222-1996 Tellurium ingots

Publish Date: 1996-02-02

YS/T 121.8-1992 Active

YS/T 121.8-1992 The method for calculating and testing the thermal balance of resistive heat treatment for non-ferrous metal processing enterprises

Publish Date: 1992-12-25

YS/T 121.6-1992 Active

YS/T 121.6-1992 The method for testing and calculating the thermal balance of forward-propelled air circulation resistance heating furnaces in non-ferrous metal processing enterprises

Publish Date: 1992-12-25

YS/T 121.7-1992 Active

YS/T 121.7-1992 Resistance heat balance test and calculation method for heaters in non-ferrous metal processing enterprises

Publish Date: 1992-12-25

YS/T 121.9-1992 Active

YS/T 121.9-1992 The testing and calculation method for the thermal balance of vacuum arc furnaces in non-ferrous metal processing enterprises

Publish Date: 1992-12-25

YS/T 121.5-1992 Active

YS/T 121.5-1992 The testing and calculation methods for thermal balance of induction furnaces used by non-ferrous metal processing enterprises for casting ingots

Publish Date: 1992-12-25

YS/T 121.4-1992 Active

YS/T 121.4-1992 The testing and calculation methods for thermal balance of flame heating furnaces and annealing furnaces in non-ferrous metal processing enterprises

Publish Date: 1992-12-25