For the mandrel bar for PQF, the material we used is H13 (4Cr5MoSiV1).
1,Material: H13(4Cr5MoSiV1)
1,Material: H13(4Cr5MoSiV1)
2,Specification for mandrel bar
Items | Main Specification of mandrel bar | Approximate Weight(kg) |
1 2 3 4 5 6 7 8 9 | FOR DIA 180.9 FOR DIA 177.4 FOR DIA 173.0 FOR DIA 145.3 FOR DIA 143.3 FOR DIA 140.8 FOR DIA 137.6 FOR DIA 133.9 FOR DIA 130.8 | 2110.97 2029.72 1929.84 1358.64 1321.08 1275.07 1217.51 1152.43 1099.28 |
SURFACE HARDNESS | 60 to 62 HRC | |
CHROME PLATING | 45(μm) to 55(μm) | |
STRAIGHTNESS | The maximal bending is 2mm/m and not exceed 6mm in the total length | |
