| Grade |
HSS |
| Standard |
GB |
| Place of Origin |
Zhejiang China (Mainland) |
square steel we offer hss square steel the material have M2(W6),W9,M42,ect. ProductNature: 1.Resists softness under high temperature 2.Good wear resistance 3.Macrostructure reachesASTM A561RATING PICTURE≤3(Chinese GB 1979RATING PICTURE≤2) 4.Unever degree of eutectic carbide reaches Chinese GB9942-88