1. This material (chemical name: 3Cr2Mo) is plastic mould steel, pre-
Hardened to 30-34HRC, and easy machining, deformation;
2. EFER On ESR steel echibitws a high purity, is suited for spark erosion
And mirror-like production;
3. There is uniform hardness over cross-section of large size;
4. Cab be hardened again to 40HRC;
5. Application: Injection, plastic blow-up and plastic extrusion mould.
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