欧美激情视频一二在线观看_人妻日本香港三级极_亚洲精品日韩桃色麻豆_欧美基情在线观看一区二区三区_亚洲人午夜福利_屁屁草草影院CCYYCOM_加勒比人妻乱码中文字幕_免费毛片直接观看_国产女女sm调教的视频在线_中本亚洲欧美国产日韩

1.2344 Main features:

1. Uniform material, excellent cutting performance and polishability

2. High toughness and high plasticity

3. High thermal fatigue resistance and wear resistance

4. Excellent overall hardenability

5. Good high temperature strength

6. Very low deformation rate during heat treatment

7. Compared with traditional steel, it has better isotropy, and has excellent toughness and plasticity in all directions.