GB/T 4462-1984
Standard figure of coarse carbide of high speed tool steel
2008-11
- Standard No.
- GB/T 4462-1984
- Language
- Chinese
- Release Date
- 1984
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 9943-2008
- Lastest
- GB/T 9943-2008
- Scope
- This rating chart is applicable to the evaluation of large angular carbides of hot-rolled, forged or cold-drawn bar steels of tungsten-based high-speed tool steels and large-grained carbides of molybdenum-based high-speed tool steel wires. According to the relevant standards or the agreement between the supplier and the buyer, this rating chart can also be used to assess the large carbides of high-speed tool steel plates, steel strips and other steel products.
GB/T 4462-1984 history
- 2008 GB/T 9943-2008 High-speed tool steels
- 1984 GB/T 4462-1984 Standard figure of coarse carbide of high speed tool steel
GB/T 4462-1984 Standard figure of coarse carbide of high speed tool steel was changed to GB/T 9943-2008 High-speed tool steels.