Hitachi composition in %

please notice that all the V steels are Takefu private steels but made by Hitachi on license.

                       Carbon     Silicon     Manganese     Phosphor     Sulfur     Chromium     Tungsten     Molybdenum     Vanadium     Cobalt     HRC
SUS420J 2 Hitachi:  0.26~0.40    1.00          1.00            0.030         0.030     12.0~14.0                                                                                 54

SUS440A Hitachi:    0.60~0.75    1.00          1.00            0.030         0.030     16.0~18.0                                                                                 56

SUS440C Hitachi:    0.95~1.20    1.00          1.00            0.030         0.030     16.0~18.0                                                                                 59

銀1(GIN1)Hitachi:    0.80~0.90    0.35     0.45~0.75        0.040         0.020     15.0~17.0                           0.3~0.5                                          57

銀3(GIN3)Hitachi:    0.90~1.10    0.35     0.60~1.00        0.040         0.020     13.0~14.5                                                                                59

V金1                       0.95~1.05                                                                     13.0~15.0                           0.2~0.4                                          59

V金5                       0.70~0.80                                                                     13.0~15.0                           0.2~0.4       0.1~0.2                       58

V金8                       0.85~0.95                                                                     13.0~15.0        0.5~1.0       0.2~0.6       0.2~0.4                       58

V金10                     0.95~1.05                                                                     14.5~15.5                           0.8~1.2      0.25~0.35     1.3~1.8    59~60

V金10B                   0.75~0.85                                                                     14.5~15.5                           0.8~1.2      0.25~0.35     1.3~1.8    58

V金10W                  0.95~1.05                                                                     14.5~15.5        0.3~0.4        0.8~1.2      0.25~0.35     1.3~1.8   59~60

ATS314 Hitachi - V金10W + (SECRET)  --------------------------------------------------------------------------------------------------------------------   59~60

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